Peterbilt 379 Full diagramas electricos.pdf

Diagramas eléctricos Peterbilt 379

1. TITLE
SH
NO.
1) INDEX
2) HARNESS ARCHITECTURE
3) LOCATION OF MAJOR COMPONENTS
4) LOCATION OF MAJOR COMPONENTS
5) SYMBOLS INDEX
6) SYMBOLS INDEX ( CONTINUED )
7) SYMBOLS INDEX ( CONTINUED )
8) SYMBOLS INDEX ( CONTINUED )
9) CHARGE AND START
10) POWER DISTRIBUTION - UNSWITCHED CIRCUITS
11) POWER DISTRIBUTION - IGNITION SWITCHED CIRCUITS
12) POWER DISTRIBUTION - ACCESSORY SWITCHED CIRCUITS
13) POWER DISTRIBUTION - CIRCUIT BREAKER - ENGINE
14) TURN SIGNALS / HAZARD LIGHTS
15) STOP LAMPS
16) MARKER / CLEARANCE LAMPS / LEFT POLE / RIGHT POLE
17) HEADLAMPS
18) BACK - UP LIGHT SWITCH
19) DAYCAB AD / LOADLIGHTS
20) SLEEPER AD / LOADLIGHTS - 48" / 63" HIGH ROOF
21) FOG LIGHTS
22) CAB DOOR LOCKS
23) REMOTE KEYLESS ENTRY RELAY - OPTIONAL
24) CAB DOME LIGHT / DOOR LAMPS / DOOR JAMB / ALARM
25) CAB FOOTLIGHTS / CIGAR LIGHTER / POWER POINT / B - PANEL POWER POINT
26) 48" / 63" HIGH ROOF SLEEPER LIGHTS / DOOR LOCK / DOOR JAMB
27) 48" / 63" HIGH ROOF SLEEPER POWER ACCESS OUTLETS
28) 48" / 63" LOW ROOF SLEEPER
29) 70" SLEEPER
30) 36" SLEEPER
31) LH DOOR ELECTRIC WINDOW LIFT
32) RH DOOR ELECTRIC WINDOW LIFT
33) MIRRORS - STANDARD / MOTORIZED / HEATED AND MIRROR CONTROL
34) CB RADIO
35) DASH RADIO
36) CAB ROOF SPEAKERS - CONCERT CLASS / CONCERT CLASS PREMIUM
37) CAB ROOF SPEAKERS - CONCERT CLASS EHD
38) RADIO - 48" / 63" / 70" SLEEPER
39) CLOCK
40) WIPER / WASHER
41) ELECTRIC HORN
42) CAB HVAC
43) SLEEPER HVAC - ALL SLEEPERS
44) SLEEPER LOAD CENTER
45) SLEEPER POWER SUPPLY HARNESS
46) NAMUX
47) BACK - LIGHTING ( +12 VOLTS ) AND PANEL LAMPS DIMMER
48) BACK - LIGHTING NEGATIVE LINKS ( GROUND )
49) OUTSIDE AIR TEMPERATURE
50) FIFTH WHEEL / DIFF LOCK / SUSPENSION DUMP VALVE / SPARE ROCKER SWITCHES
51) FUEL LEVEL
52) FUEL FILTER - ACCESSORY POWER
53) PARK BRAKE
54) FORWARD AND REAR DRIVER AXLE TEMP
55) VORAD
56) AIR DRYER
57) FUEL FILTER RESTRICTION
58) TIRE PRESSURE CONTROL SYSTEM ( TPCS ) CAB & CHASSIS
59) AUX TRANSMISSION OIL TEMP
60) EATON ULTRASHIFT TRANSMISSION
61) EATON AUTOSHIFT TRANSMISSION
62) EATON AUTOSHIFT AND ULTRASHIFT TRANSMISSION ( CONTINUED )
63) MERITOR FREEDOMLINE TRANSMISSION
64) WTEC TRANSMISSION ( ALLISON )
65) WTEC TRANSMISSION ( ALLISON ) ( CONTINUED )
66) EATON LIGHTNING TRANSMISSION POWER
67) MAIN CAB ABS CONNECTIONS
68) BENDIX ABS SYSTEM
69) BENDIX ABS SYSTEM ( CONTINUED )
70) BENDIX ABS ( CHASSIS )
71) WABCO ABS SYSTEM ( E-BASIC )
72) WABCO ABS SYSTEM ( E-UNIVERSAL )
73) TRAILER ABS
74) MAIN CAB ENGINE FIREWALL BULKHEAD
75) ENGINE - CAT C11 / C13 AND C15
76) ENGINE - CAT C11 / C13 AND C15 ( CONTINUED )
77) ENGINE - CUM ISM
78) ENGINE - CUM ISC / ISL
79) ENGINE - CUM ISX
80) ENGINE - CUM ISM ( BJ SERVICES )
81) ENGINE - CUM ISM ( BJ SERVICES ) ( CONTINUED )
82) ENGINE - CUM ISM ( BJ SERVICES )
83) ENGINE - CUM ISM ( BJ SERVICES ) ( CONTINUED )
84) ENGINE - CUM ISX ( BJ SERVICES )
85) ENGINE - CUM ISX ( BJ SERVICES ) ( CONTINUED )
86) ENGINE ECU POWER
87) CHASSIS SPARE GROUNDS
88) MAIN CAB SPARE RELAY
89) CHASSIS SENSOR ADD-ON - TRANSFER CASE OIL TEMP / BRAKESAVER OIL TEMP /
GENERAL OIL TEMP / AUX XSMN OIL TEMP # 3 / PTO OIL TEMP
90) CUMMINS ICON2 IDLE CONTROL
91) J1939 ARCHITECTURE
92) TELEMATICS
93) SLEEPER LVD / LVD ADAPTER
94) CUMMINS DUAL STATION CONTROLS ( BJ SERVICES )
95) ENGINE BRAKE CONTROLS
96) ENGINE FAN CONTROLS
97) LIFT AXLE CONTROL ( W/O AUTO-REVERSE )
98) LIFT AXLE CONTROL ( W/ AUTO-REVERSE )
Schematic - 379 Model Family ElectricalP94-6023C01

2. MAIN CAB
HARNESS
DASH PANEL
HARNE SSES
( A , B , C )
POWERTRAIN
ENGINE HARNESS
TRANSMISSION HARNESS
TRAILER
HARNESS
CHASSIS
HARNESS
TAIL LAMP
HARNESS
FIREWALL
HARNESS
JAKE BRAKE
HARNESS
ABS
DASH
HARNESS
ABS
CHASSIS
HARNESS
HOOD
HARNESS
ROOF
HARNESS
SLEEPER
HARNESS
VORAD
CAB
HARNESS
VORAD
CHASSIS
HARNESS
SLEEPER
HVAC
SYSTEM
CAB
HVAC
SYSTEM
HARNESS ARCHITECTURE
TELEMATICS
ENGINE FAN
HARNESS
DOOR
HARNESSSchematic - 379 Model Family ElectricalP94-6023C02

3. SCALE 1:8
FUSE BLOCK
J1587 DATA BUS CONNECTOR
RELAY ASSEMBLY
( OPTIONAL )
ANTENNA MULTIPLEXER
AUDIO AMPLIFIER
( OPTIONAL )
GPS ANTENNA
( OPTIONAL )
SCALE
SLEEPER LOAD CENTER
SLEEPER LOW VOLTAGE DISCONNECT
( OPTIONAL )
LOW VOLTAGE DISCONNECT
( OPTIONAL )
ABS ELECTRONIC CONTROL UNIT
INSTRUMENTATION CONTROL UNIT MODULE
REMOTE KEYLESS ENTRY MODULE
MIRROR CONTROL MODULE
( OPTIONAL )
VORAD ECU
( OPTIONAL )
GPSNET MODEM
( OPTIONAL )
( OPTIONAL )
LOCATIONS OF MAJOR ELECTRICAL MODULES IN 379E CAB AND SLEEPER
TURNSTALK MODULE
FIREWALL CONNECTOR - HOOD AND TRAILER HARNESS
FIREWALL CONNECTOR - ENGINE AND CHASSIS HARNESS
ENGINE HARNESS FIREWALL CONNECTOR
ABS HARNESS FIREWALL CONNECTOR
LOCATION OF MAJOR COMPONENTS
Schematic - 379 Model Family ElectricalP94-6023C03

4. SCALE 1:6
SCALE 1:16
FUSE BLOCK
AUDIO AMPLIFIER
GPSNET MODEM
( OPTIONAL )
( OPTIONAL )
ABS ELECTRONIC CONTROL UNIT
RELAY ASSEMBLY
SLEEPER LOAD CENTER
SLEEPER LOW VOLTAGE DISCONNECT
( OPTIONAL )
NOTE:
IN 36" SLEEPER, LOAD CENTER IS MOUNTED ON FRONT WALL
IN 70" SLEEPER, LOAD CENTER IS MOUNTED UNDER BUNK
CAB REAR VIEW
REAR WALL AND BULKHEADS NOT SHOWN }
CAB
LEFT SIDE VIEW
SLEEPER
LEFT SIDE VIEW
SLEEPER
REAR VIEW
REAR WALL AND BULKHEADS NOT SHOWN
ABS ELECTRONIC CONTROL UNIT
MIRROR CONTROL MODULE
( OPTIONAL )
REMOTE KEYLESS ENTRY MODULE
( OPTIONAL )
GPSNET MODEM
( OPTIONAL )
VORAD ECU
( OPTIONAL )
ANTENNA MULTIPLEXER
( OPTIONAL )
J1587 DATA BUS CONNECTOR
LOCATIONS OF ELECTRICAL MODULES IN 379E CAB AND SLEEPER
TURN STALK MODULE
TURN STALK MODULE
ENGINE HARNESS FIREWALL
CONNECTOR
ABS HARNESS FIREWALL
CONNECTOR
( OPTIONAL - PROPOSED LOCATION)
( OPTIONAL - PROPOSED LOCATION )
J1939 CONNECTOR
ANTENNA MULTIPLEXER
( OPTIONAL )
( OPTIONAL )
VORAD ECU
REMOTE KEYLESS ENTRY MODULE
( OPTIONAL )
MIRROR CONTROL MODULE
( OPTIONAL )
FIREWALL CONNECTORS
FUSE BLOCK
LOW VOLTAGE DISCONNECT
( OPTIONAL )
J1587 DATA BUS CONNECTOR
INSTRUMENTATION UNIT CONTROL MODULE
CLOSET WALL
INSTRUMENTATION CONTROL UNIT MODULE
LOW VOLTAGE DISCONNECT
( OPTIONAL )
RELAY ASSEMBLY
AUDIO AMPLIFIER
( OPTIONAL )
FIREWALL CONNECTOR
HOOD AND TRAILER
FIREWALL CONNECTOR
ENGINE AND CHASSIS
ENGINE HARNESS FIREWALL CONNECTOR
ABS HARNESS FIREWALL CONNECTOR
GPS ANTENNA
GPS ANTENNA
DIAGNOSTIC CONNECTOR
J1939 CONNECTOR
DIAGNOSTIC CONNECTOR
LOCATION OF MAJOR COMPONENTS
OPTIONAL FEED-THROUGH FOR
AUTOMATIC TRANSMISSION
VORAD
DUAL STATION
RH FIREWALL FEED-THROUGH
Schematic - 379 Model Family ElectricalP94-6023C04

5. SYMBOLS INDEX
20) STARTER THERMAL OVERLOAD SWITCH
21) NEUTRAL START SWITCH
22) BATTERY
23) ALTERNATOR
24) CIRCUIT BREAKER
25) STARTER
SYMBOL / ABBREVIATION KEY 1) STUD
2) SPLICE
3) RING TERMINAL CONNECTORS
4) NUMBERS EX CIRCUIT DESCRIPTION SUFFIX ALPHA
286 -1 A
5) BUSS BAR
6) CB CIRCUIT BREAKER
7) CLC CHASSIS LOAD CENTER
8) SLPR SLEEPER
9) TRLR TRAILER
10) MFTS MULTI-FUNCTION TURN STALK
11) CONTINUED TO OTHER SH XX
12) MOMENTARY CONTACT
CONTACT
13) BULB
14) GROUND
15) DIODE
16) RESISTOR
17) CAPACITOR
18) POLYFUSE
19) LIGHT-EMITTING DIODE
NA
NA
SHEET NUMBER
SWITCH
26) WINDOW SWITCH
STARTER
+
S
BATTERIES
B-
G
D+ W/L
B+
POSITION 1
POSITION 0
POSITION 2
1324 65132465 132465
CB2-2
150 AMP
CIRCUIT BREAKER
SW21-5
SW20-2_c0
Schematic - 379 Model Family ElectricalP94-6023C05

6. 27) J1939 CABLE SHIELD
28) TWISTED PAIR
SYMBOLS INDEX ( CONTINUED )
29) PRESSURE SWITCH
30) LAMP
31) LIGHT
32) IGNITION SWITCH
33) WINDOW LIFT MOTOR
34) TWISTED TRIPLET
M
1
0
3
6
2
Schematic - 379 Model Family ElectricalP94-6023C06

7. FUSES
1)
2)
3)
4)
5)
6)
SYMBOLS INDEX ( CONTINUED )
LOAD LIGHT CLEARANCE LIGHTTRAILER LIGHT SPOT LIGHTFOG LIGHTBEACON / STROBE HEADLIGHTFUEL SELECTFUEL HEATCRUISE SELECTREMOTE THROTTLEREMOTE THROTTLE
OVERRIDE
ENGINE DIAGNOSTIC ENGINE FAN
RANGE SELECTPTOCRUISE ON / OFFATCSLEEPER
FLUORESCENT
TRAILER
AUXILIARY
BRAKESAVER HAZARDTRANSMISSION
RETARDER
REAR A / CINSTRUMENT
DIMMER
AUXILIARY
SIDE LAMPS
DECK POWERFLASHING
SIDE LAMPS
OFFROAD
ABS
WINDOW LIFT
DOOR LOCKSLIFTABLE TAG AXLELIFTABLE PUSHER AXLEDIFFERENTIAL LOCKTRAILER DUMPTRAILER DUMP
ROCKER SWITCH ICONS
ENGINE BRAKE
25 A FUSE
XX AMP
F1_0
AMP
XX
XX XX
XX XX
XX
XX
XXX
XXXX
FUSE
10 AMP
XX AMP
Schematic - 379 Model Family ElectricalP94-6023C07

8. RELAYS
1)
2) INTAKE AIR HEATER RELAY
3)
4)
5)
SYMBOLS INDEX ( CONTINUED )
6)
7) STARTER RELAY
ENGINE
INTERRUPT
RELAY
8) ENGINE INTERRUPT RELAY
START
ENABLE
RELAY
9) START ENABLE RELAY
BACKUP LAMP
RELAY
10) BACK-UP LAMP RELAY
11) RELAY
86
87
87A
30
85
R18-A
K18-01
87A
30
85
87
86
R10-1
86
87 87A
3085
R11-1
c
K03-1-1
87A
8685
30
87
J78-1
87A
87
86
30
85
XX
87A
87
86
30
85
R1
CLATCHING
RELAY
C
X
XX
AB C DEF
XX
85
30
87A
87
86
85
30
86
87
87A
c
Schematic - 379 Model Family ElectricalP94-6023C08

9. START INTERRUPT
IGNITION
SWITCH
FIREWALL
STARTER
RELAY
NEUTRAL
START
OCP
STARTER
SOLENOID
SWITCH
ALTERNATOR
WHT3110-64
WHT3110-69
WHT3110-69
BLK3911-5
BLK3911-5
GRA3391-0
RED3920-2
RED3920-1
RED3920-3
WHT3110-40
ENGINE
GROUND
ENG RUN
POWER
INTERUPT
START /
CHARGE
RED
BLACK
WHT3110-42
T4
CAB
WHT3110-41
ORN1250
ORN1250-1
ORN1250-2
ORN3912-3ORN3912-1ORN3912-4
ORN3912-5
ORN1910-3
ORN1910-4 RED1210-89
RED1210-91
RED1210-90
PWR DIST
CENTER MAIN CAB
POWER
AMMETER
SENSOR
GRA3391-0
OPTIONAL
OPTIONAL
CHARGE AND START
OPTIONAL JUMP START TERMINAL LOCATIONS:
UNDER HOOD - LOCATED AT THE STARTER
BATTERY BOX - LOCATED AT THE BATTERY
T4
T7
T2
T3
T1
T5
ELEC
ENGINE
FIREWALL
CB2
ORN3111-2 ORN3111-1
ECM SWITCHED
POWER
CB2
IGN BATT
FEED
SEE ENGINE
SECTIONS
OR
100 AMPS + 70 AMPS W/ SLEEPER
W/O SLEEPER
STARTER RELAY
COIL
WHT3110-4
SEE ELECTRONIC
ENGINE FIREWALL
CONNECTOR P103 ( PIN 21 )
( FOR ALL ENGINES )
STARTER
ORN3912-2
MATING CONNECTOR:
ORN1230
( SH 75-85 )
ORN1230
WHT3110-64
SEE SH 75-85
WHT3110-42
T6
OR
270 AMP
POWER DIST CENTER
( HIGH AMP ALTERNATOR ONLY )
RED3920-11
NOTE:
ALTERNATOR POSITIVE ( T1 ), POWER DIST
CENTER ( T2 ),
ALTERNATOR GROUND ( T3 ), AND ENGINE
GROUND ( T5 ) ARE NOT USED
WITH THIS ALTERNATOR
OPTION.
RED1210-88
RED3920-11
T9
ENGINE GROUND
( HIGH AMP ALT
ONLY )
WHT3110-44
WHT3110-44
HIGH AMP ALTERNATOR
OPTIONAL
RED3920-0
RED3920-0
LVD
V ( OUT )
LVD
V ( IN )
RED1210-40
RED1210-40
RED1260-30
ORN1910-8
ORN3940-2
CB1
ENGINE
SPARE 1
IGN BATT
FEED
SH 74, REFDES J50-6 , NODE 10
SH 12, REFDES F1A-1, NODE 1
SH 11, REFDES S43, NODE 1
SH 10 , REFDES S80 , NODE 1
P8-1
C
50 AMP
J51-1
1
P51-1 1
T10
1
50 AMP
S111-1
J50-3
21
S101
50 AMP
SW21
SW20
IC1
J4-1
A
B
C
P2
5
6
1
4
2
3
BATTERIES
1
0
3
6
2
S52
S54-1
50 AMP
S51-1
J3
1
P3
1
S3
S2-1
50 AMP
S1-1
B-
G
D+ W/L
B+
ENG22
A
B
STARTER
+
S
P2-5
A
B
J3-2
A
B
87A
87
86
30
85
J1-10
85
86
87A
87
30
J2-4
A
B
P110
B
A
P103-1
10
J50
10
J28
1
P18
1
Schematic - 379 Model Family ElectricalP94-6023C09

10. LVD
V ( OUT )
LVD
V ( IN )
WHT0710-10
WHT1500
FB8C
SPARE POWER CONN
FB1
SPARE BATT PWR
F1B-1
F2B-1
F3B-1
F4B-1
F5B-1
F6B-1
POWER DISTRIBUTION-
UNSWITCHED CIRCUITS
FIREWALL
ENGINE CAB
RED1260
RED1260
RED1260-7 RED0790-1
RED0790-2
RED0790-3
RED1260-9
RED1260-11
RED1210-23
RED1210-22
RED1210-27
RED1210-11
RED0710-1
RED0710-2
RED0710-3
RED1210-13
RED1210-13
RED1210-14
RED1210-14
FB6
FB5
MAIN ACC
RELAY
RED1260-8
RED1260-8
FB3
RED2990
RED1210-24
RED1210-20
RED2300
RED4100
RED6100-1
RED2951
RED6952
RED6291
RED2611
RED0711
RED2990-1
RED6750-0
RED6700-5
RED6950
YEL2640
RED4210-1
RED5110
OR
RED1260-9
RED1260-11
RED2990-2
ACCESSORY
RELAY
WHT1500-231
WHT1500-232
WHT1500-232
WHT1500-31
RED1210-19
RED1210-19
( LVD SWITCHED )
ORN1221-2
ORN1250-10
ORN1250-10
ORN1221-2
ORN1250-11
ORN1220-51
RED1260-6
YEL2619-2
RED4100-8
MAIN GROUND
RED1210-17
RED6951
170 AMPS
( WITH SLEEPER )
RED2414
RED4210
RED2100-4
RED2300-44
RED1210-18
RED1210-18
YEL2619-2
CB1
RED1210-30
RED1210-30 RED2412-1
RED2415-1
RED1210-21
MAIN CAB
POWER
RED1210-68
RED1210-68
F1A-1
F2A-1
F3A-1
F4A-1
F5A-1
F6A-1
FB7
RED0712-3 RED1210-12
RED1210-12
FB2
SPARE BAT PWR
RED6140
RED1210-15 RED2100-8
RED1260-30
SH 14 , REFDES J12 , NODE 2
SH 14 , REFDES S113 , NODE 1
SH 46 , REFDES P63 , NODE 1
SH 35 , REFDES J80 , NODE B
SH 21, REFDES P13 , NODE 2B
SH 25, REFDES P32 , NODE C
SH 34, REFDES P92-4 , NODE 4
SH 24 , REFDES P92-2 , NODE 1
SH 19, REFDES S28 , NODE 1
SH 17 , REFDES J12-1, NODE 2
SH 22 , REFDES P43, NODE B
SH 22 , REFDES J17-2 , NODE A
SH 25 , REFDES P32 , NODE E
SH 24 , REFDES S16 , NODE 1
SH 47 , REFDES J41-1, NODE 2
SH 67, REFDES P15 , NODE A
SH 40 , REFDES J12-3 , NODE 2
SH 21, REFDES S21-1, NODE 1
SH 11, REFDES S22 , NODE 1
SH 12 , REFDES S3-1 , NODE 1
SH 12 , REFDES S3-1, NODE 1
SH 11, REFDES S53 , NODE 1
SH 25 , REFDES S115 , NODE 1
SH 47 , REFDES P63-1, NODE 1
SH 11, REFDES K5 / K13 / K17 , NODE 30-3
SH 25, REFDES P4 , NODE A
SH 16 , REFDES S38 , NODE 1
SH 46 , REFDES J41, NODE 2
SH 17, REFDES S33 , NODE 1
SH 14 , REFDES S87 , NODE 1
SH 15 , REFDES T2 , NODE 1
SH 11, REFDES S43 , NODE 1
SH 41, REFDES S76 , NODE 1
SH 37 , REFDES J100 , NODE B
SH 17 , REFDES J12-1, NODE 4
F7A-2
20 AMP
F4A1-7
10 AMP
F5A
25 AMP
F6A
20 AMP
S31-1
87A-3
30-3
85-3
87-3
86-3
K17
86
87
87A
30
85
R17-2
T4
150 AMPS
F7A-6
25 AMP
F7A-3
10 AMP
F6A-3
20 AMP
F5A-3
10 AMP
F4A-3
10 AMP
F3A-3
10 AMP
F2A-3
20 AMP
F1A-3
10 AMP
F6A-5
15 AMP
F5A-5
3 AMP
F4A-5
25 AMP
F3A-5
15 AMP
F2A-5
10 AMP
F1A-5
3 AMP
F6A-6
10 AMP
F4A-6
20 AMP
F5A-6
5 AMP
F3A-6
25 AMP
F2A-6
15 AMP
F1A-6
3 AMP
85-2
86-2
87A-2
87-2
30-2
K13
86
87
87A
30
85
R13-1
S80
T5-1
1
S41-3
T6-A 1
T5-A
1
T4-A
1
T6-B
1
T5-B
1
T4-B
1
T3-A 1
T2-A
1
T1-A
1
T3-B
1
T2-B
1
T1-B
1
50 AMP
S55-1
J51
1
P51 1
S54-2
S52-1
50 AMP
50 AMP
50 AMP
50 AMP
50 AMP
SH 16 , REFDES K2 , NODE 30
SH 25 , REFDES F4A-1 , NODE 1
SH 25 , REFDES P51-1 , NODE 1
SH 25 , REFDES K13 , NODE 30
Schematic - 379 Model Family ElectricalP94-6023C10

11. MAIN ACC
RELAY
ORN1220-40
LVD
CONNECTOR
ORN1220-46
POWER DISTRIBUTION-
IGNITION SWITCHED
CIRCUITS
ORN0730-1
ORN0730-2
ORN0730-3
ORN0730-4
ORN0730-5
ORN0730-6
ORN1220-44
ORN1220-48
ORN1220-47
FB4
ORN1220-55 ORN7210
ORN1229
ORN6911
ORN6912
FB7
ORN2990-0
ORN3600
ORN7110
FB2 FB9C
F1B-2
F2B-2
F3B-2
F4B-2
F5B-2
F6B-2
SPARE POWER CONN SPARE BAT PWR
ORN1220-42
FB5
ORN1229-13
ORN1229-19
WHT1500-51
WHT1500-58 WHT1500-57 WHT1500-56
MAIN
GROUND WHT1500-0
ORN9920-1
ORN2990
ORN2990-1
ORN1250-9
( LVD SWITCHED )
ACCESSORY
RELAY
WHT1500-34
WHT1500-30
ORN1221
ORN1221-17
ORN1221-2
ORN1220-51
RED1260-6
ORN1250-12
ORN1220-40
ORN5921
WHT1500-36
RED1210-17
ORN1221-1
ORN1221-1
ORN5910-10
ORN4220-4
ORN4220
ORN1221-3
ORN1221-3
ORN5110
ORN5920
WHT0730-5
RED1210-16
RED1210-67
RED1210-68
F1A-2
F2A-2
F3A-2
F4A-2
F5A-2
F6A-2
SEE SH 10
RED1210-88
NOTE: ORN1220-40 & ORN1220-51 ( SH 10 )
ARE SAME CIRCUITS
ORN1221-1 & ORN1221-2 ( SH 10 )
ARE SAME CIRCUITS
SH 42 , REFDES P47, NODE 2
SH 18 , REFDES S11, NODE 1
SH 31, REFDES P38 , NODE 3
SH 31, REFDES P38 , NODE 1
SH 17 , REFDES J11-1, NODE 18
SH 50 , REFDES S40, NODE 1
SH 42 , REFDES S57, NODE 1
SH 56 , REFDES S11-1, NODE 1
SH 52 , REFDES S11-2 , NODE 1
SH 73, REFDES J1-11, NODE G2
SH 14 , REFDES J11, NODE 18
SH 40 , REFDES J11-5, NODE 18
SH 12 , REFDES S3-1, NODE 1
SH 15 , REFDES S21-3 , NODE 1
SH 10 , REFDES K5 / K13 / K17_c0 , NODE 87-3
SH 10 , REFDES K5 / K13_c0 , NODE 87-2
SH 10 , REFDES S80, NODE 1
SH 12 , REFDES S3-1, NODE 1
SH 33 , REFDES S78, NODE 1
SH 10 , REFDES S55-1, NODE 1
SH 40 , REFDES S110, NODE 1
SH 46 , REFDES S100, NODE 1
SH 47 , REFDES S100-1, NODE 1
SH 67 , REFDES S114, NODE 1
SH 33 , REFDES S36, NODE 1
SH 74 , REFDES J50-6 , NODE 27
SH 10 , REFDES S52-1, NODE 1
SH 9, REFDES S52 , NODE 1
S43
S22
S31
87A-3
30-3
85-3
87-3
86-3
K17
86
87
87A
30
85
R17-1
T5-29
1
S41-33
S21-23
S4-18
S6-13
F7A-5
10 AMP
F6A-7
15 AMP
F5A-7
2 AMP
F3A-7
5 AMP
F1A-7
5 AMP
F4A-7
10 AMP
F2A-7
20 AMP
F7A-4
5 AMP
F6A-4
20 AMP
F5A-4
30 AMP
F4A-4
20 AMP
F3A-4
20 AMP
F2A-4
20 AMP
F1A-4
25 AMP
50 AMP50 AMP50 AMP50 AMP50 AMP50 AMP
T6B
1
T5B
1
T6A
1
T4A
1
T4B
1
T5A
1
T3B
1
T3A
1
T2B
1
T2A
1
T1B
1
T1A
1
J86
CA B
S53
86
87
87A
30
85
R13-2
K13 85
86
87A
87
30
Schematic - 379 Model Family ElectricalP94-6023C11

12. ENG RUN
POWER
INTERUPT
IGNITION
SWITCH
POWER DISTRIBUTION-
ACCESSORY SWITCHED CIRCUITS
ORN1250-4
ORN1250-5
CB2
ORN6100
ORN4230
ORN6100-9
ORN3111
ORN1230
ORN1230
ORN1250-9
ORN1250-10
ORN1250-11
ORN1250-12
ORN6100-26
ORN1250-3
ORN1230-1
ORN1230-1
RED1210-18
RED1210-18 ORN1910-5
YEL2121-1
YEL2121-5 GRA2121-4
GRA2121-4
SH 35 , REFDES S105-2 , NODE 1
SH 46 , REFDES J27, NODE 3
SH 43 , REFDES S105-1, NODE 1
SH 74 , REFDES S101-7 , NODE 1
SH 9, REFDES P2 , NODE 1
SH 11 , REFDES K13 , NODE 86
SH 10 , REFDES K5 / K13 / K17_c0 , NODE 86-3
SH 10 , REFDES K5 / K13_c0 , NODE 86-2
SH 11, REFDES K5 / K13 / K17 , NODE 86-3
SH 26 , REFDES S105-7 , NODE 1
SH 10 , REFDES S54-2 , NODE 1
SH 13 , REFDES S51, NODE 1
SH 17 , REFDES J1-5 , NODE A7
SH 17 , REFDES S9, NODE 1
SH 17 , REFDES J11-1, NODE 13
F6A-1
15 AMP
F3A-1
2 AMP
F1A-1
5 AMP
F2A-1
10 AMP
F5A-1
15 AMP
F4A-1
20 AMP
1
0
3
6
2
S3-1
P2-1
3
1
J3-1
1
P3-1 1
Schematic - 379 Model Family ElectricalP94-6023C12

13. IGNITION
SWITCH
POWER DISTRIBUTION-
CIRCUIT BREAKER-ENG INE / LOW BEAM FEED
CB1
ORN1910-2 ORN1910-1
ORN0800
ORN3940-1
ORN1910-5
YEL2111-2
YEL2111-1
GRA2111
SH 46 , REFDES J14 , NODE B
SH 74 , REFDES P8 , NODE C
SH 12 , REFDES F4A-1, NODE 2
SH 17 , REFDES J1-5 , NODE B7
SH 17 , REFDES J1-5 , NODE G8
SH 17 , REFDES J11-1, NODE 16
F4A
10 AMP
F3A
10 AMP
F1A
10 AMP
F2A
10 AMP
S51
1
0
3
6
2
P2-3
4
Schematic - 379 Model Family ElectricalP94-6023C13

14. TURN SIGNALS / HAZARD LIGHTS
MFTS
MODULE 1
21 WAY
TURN STALK
CONNECTOR
12 WAY
HAZARD
SWITCH
SPARE TURN
SIGNAL
FIREWALL
CHASSIS
HARNESS
MFTS
MODULE
12 WAY
LEFT FRONT
TURN
RIGHT FRONT
TURN
TRAILER
HOOD
TRAILER PLUG
CONNECTOR
TRAILER
GROUND
LEFT REAR
TURN
RIGHT REAR
TURN
LEFT
MIRROR
TURN
RIGHT
MIRROR
TURN
WHT2400-0
TURN RIGHT FRONT
TURN LEFT FRONT
TURN RIGHT REAR
TURN LEFT REAR
HAZARD INPUT
TURN LEFT PWR
TURN RIGHT PWR
LEFT / RIGHT TURN INPUT
WHT2400-3
YEL2322
YEL2332
YEL2312
YEL2311
YEL2311-5
YEL2312-5
YEL2312-6
YEL2311-7
YEL2312-7
GRN2990
SWITCH COMMON
SWITCH COMMON
BRN2622
WHT2100-1
YEL2312-3
YEL2311-3
YEL2311-4
YEL2312-4
YEL2311-8 YEL2311-8
YEL2312-8
WHT9000
YEL2311-2
YEL2312-2
GRN2990-6
RED0712-5
CAB
HOOD / TRAILER
CAB
CHASSIS
CONNECTOR
YEL2311-10
YEL2312-10
YEL2311-6
MAIN
GROUND
WHT1500-1
WHT1500-2
WHT1500-158
WHT1500-160
WHT1500-159
WHT1500-159
TRAILER LEFT /
RIGHT TURN
WHT2100-3
YEL2311-1
WHT2100-4
WHT2100-2
YEL2312-1
YEL2311-1
YEL2312-1
WHT2990-1 MODULE GROUND
MODULE POWER RED2990
RED2300
IGNITION PWR
GRN2990-6
RED0712-5
RED2990
ORN2990
ORN2990
TURN LEFT FRONT
TURN LEFT PWR
PRP2980
PRP2980
YEL2311-9
YEL2311-9
YEL2311-15
YEL2311-15
YEL2332-1
YEL2332-1
RED2300-1
RED2300-3
GRN2990-1
GROUND
GRN2990-7
PRP2310-2
PRP2310-2
LEFT / RIGHT TURN INPUT
MODULE GROUND WHT2990-2
WHT2990-3
YEL2312-9
YEL2322-2
YEL2322-2
YEL2312-12 YEL2312-9
YEL2312-12
TURN RIGHT FRONT
TURN RIGHT PWR
YEL2312-8
WHT1500-17
WHT1500-16
WHT1500-46
RED0712-7
RED0712-6
BRN2622
RED0712-8
RED2300-4
RED2300-5
RED2300-44
NOTE :
MULTI-FUNCTION TURN STALK ( MFTS )
YEL2332-6
WHT2400-4
YEL2322-1
WHT2400-20
YEL2322-7
JUMPER
YEL2322-7
J5
1
J6
1
J1
B1
G1
A5
G5
A4
J11
18
15
2
1
9
3
6
21
20
11
S19
S7
S8
S20
J15
12 2 1
P40
5B 10 3 9 6 8 7 2B
J523
B
A
P243
A4
G5
A5
S243-1
J2
F2
F1
B1
C1
E1
P521-3
E1
C1
B1
F1
F2
S21-2
S6-4
J12
8
2
1
7
12
10
11
P532
E
C
D
P262-1
GRN YEL WHT
J263
1
P261
G1
B1
S113
S112-1
S17
P535
D C E
SH 39, REFDES S25, NODE 1
P537
D C E
SH 15 , REFDES J4 , NODE B
SH 15 , REFDES J4 , NODE C
SH 17 , REFDES S112 , NODE 1 SH 41 , REFDES S76 , NODE 1 SH 46 , REFDES J27 , NODE 8 SH 46 , REFDES J27 , NODE 9
T5-7
1
S41-12
S4-4
P245
C B A
P246
C B A
SH 10 , REFDES F1A-6 , NODE 2
SH 10, REFDES F3A-6, NODE 2 SH 11, REFDES F1A-7, NODE 2
S72
S66
SH 46, REFDES J27, NODE 4
S87
SH 10 , REFDES F7A-6 , NODE 2
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
Schematic - 379 Model Family ElectricalP94-6023C14

15. VORAD
CONNECTOR
SERVICE
BRAKE
RELAY
STOP LAMPS
TRAILER
BREAK-AWAY
STOPLIGHTS
YEL2415-6
YEL2312-8
YEL2311-8
YEL2415-9
MFTS
MODULE
21 WAY
BRAKE LAMP
YEL2415-8
TRAILER
PLUG
CONNECTOR
MAIN CAB
TRAILER
CONNECTOR
RED9120-4
TRAILER
GROUND
WHT9000-3
FIREWALL
MAIN
GROUND
WHT1500-60 WHT1500-61
TURN
SIGNAL
MAIN CAB
YEL2415-12
YEL2311-11
YEL2312-11
NOTE:
MULTI-FUNCTION TURN STALK ( MFTS )
PRESSURE SWITCH
TRAILER
BRAKE
STOP LAMP
POWER
YEL2415-10
YEL2415-13
YEL2415-14
GRA2415-3
GRN3115-48
GRA2415-3
GRN3115-48
WHT1500-8 WHT1500-67
WHT9000-3
WHT1500-30
RED2415-1
RED2415-1
SH 14 , REFDES S19, NODE 1
SH 14 , REFDES S20, NODE 1
SH 55 , REFDES J591, NODE C9
SH 55 , REFDES J591, NODE D15
SH 55 , REFDES J591, NODE C15
SH 67 , REFDES P15, NODE B
SH 74 , REFDES J50-6 , NODE 20
SH 74 , REFDES S102-7 , NODE 1
SH 11, REFDES S31, NODE 1
SH 10 , REFDES F5A , NODE 2
S4-20
T2
1 T1
1
P595
C B A
S41-13
T5-8
1
J263-2
1
P262-2
WHT
RED
S21-3
P261-2
F1
J1-3
F1
S5
86
87
87A
30
85
R6-1
K11 85
30
87A
87
86
J12-2
6
J4
ABC
Schematic - 379 Model Family ElectricalP94-6023C15

16. MARKER / CLEARANCE LAMPS / LEFT POLE / RIGHT POLE
CLEARANCE
LIGHTS
TURN STALK
CONNECTOR
12 WAY
MARKER LAMP FLASH INPUT
TAIL /
MARKER
SPARE
MARKER
LIGHT # 1
SPARE
MARKER
LIGHT # 2
WHT2400-6
RIGHT
MARKER
LEFT
MARKER
FIREWALL
HOOD
TRAILER
TRAILER PLUG
CONNECTOR
TRAILER
GROUND
MARKER LAMP FLASH
BUTTON ON END
OF STALK
LH CLEARANCE
LAMP
LH ID
LAMP
CTR ID
LAMP
RH ID
LAMP
RH CLEARANCE
LAMP
MAIN CAB ROOF
HARNESS
RIGHT WINDOW
MARKER LAMP
WHT9000-1
ROOF
DASH
CONNECT
GRA2422-8
WHT1500-70
BRN2622-1
YEL2422
YEL2422
YEL2412
WHT2100-6
YEL2422-3
YEL2422-6
YEL2412-13
YEL2412-12
YEL2412-11
YEL2412-10
YEL2412-6
YEL2422-7
LEFT HAND
TAIL / SIDE
MARKER LIGHT
YEL2412-7
YEL2412-8
YEL2412-9
YEL2422-9
YEL2422-9
WHT2100-7
WHT1500-69
WHT2600-14
YEL2412-4
WHT2600-16
WHT2600-15
YEL2412-5
YEL2412-3
WHT2600-13
YEL2412-2
YEL2412-1
YEL2412-15
WHT2600-1
YEL2412-0
MAIN CAB
MAIN CAB
FIREWALL
FIREWALL
FIREWALL
MAIN CAB
YEL2422-10
RIGHT
POLE
LEFT
POLE
YEL2422-11
YEL2422-12
YEL2412-14
YEL2422-13
CHASSIS
FIREWALL
CONNECTOR
WHT2400-7 YEL2422-8
MAIN
GROUND
WHT2400-5
WHT1500-62
WHT1500-63 WHT1500-64 WHT1500-65
WHT1500-38
YEL2422-2
WHT2100-9
YEL2422-4
WHT2100-8
WHT2600
WHT1500-71
WHT2600-12
WHT2600-33
SEE
SH 47
GRA2422-6
YEL2422-8
MARKER LAMP
SWITCH
YEL2422-20
YEL2422-20
WHT2400-8
WHT2400-8
RIGHT HAND
TAIL / SIDE
MARKER LIGHT
MARKER LT
FLASH
RED2414-3
RED2414
GRA2422-7
GRA2422-9
GRA2422-10
GRA2422-11
GRA2422-11
GRA2412
GRA2412
RED2414-4
RED2100-7
RED2100-7
YEL2422-5
YEL2422-19
YEL2422-21
YEL2422-5
YEL2422-21
RED2100-22
GRA2422-13
WHT1500-376
WHT1500-376
WHT1500-400
WHT1500-401
WHT1500-402
RED2412-1
RED2412-1
MIRROR
MARKER
LIGHTS
RED2100-9
RED2100-9
YEL2422-15
YEL2422-15
WHT2600-17
J15-1
6
K1
30
86
87A
87
85
S2
S24
J37
1
K2
87
85
30
86
87A
S1
S522
J522
1 J530
1
S21-4
S521-1
P261-1
A2 A1
J1-7
A1
A2
J263-1
1
P304
A BP305
A BP306
A BP307
A BP303
A B
J33
1
J32
1
P262
BRN BLK WHT
P532-2
E
B
86
87
87A
30
85
R2-1
86
87
87A
30
85
R1-1
P45
6 35B2B78910
S26
S46-4
S45
S6
P243-1
G4
A4
J1-4
A4
G4
S242
S243-2
P521-2
B2
A1
F2
J2-3
F2
A1
B2
J298-1
3
9
P92
9
3
S298-1
S296
S299-1
P254
1
P253
1
T5-9
1
S4-5
S41-14
P245-1
C B A
P246-1
C B A
S291-2
SH 33 , REFDES P312, NODE 1
SH 23 , REFDES S26-2 , NODE 1
P535-2
B
E
P537-2
E
B
86
87
87A
30
85
R19-1
87A-5
30-5
85-5
87-5
86-5
K19
S38
SH 10 , REFDES F2A-6 , NODE 2
S37
SH 17 , REFDES S88 , NODE 1
S89
SH 17 , REFDES P48 , NODE 3 SH 46 , REFDES J27 , NODE 5
SH 17 , REFDES P48 , NODE 3
SH 17 , REFDES S46 , NODE 1
S46-9
SH 10 , REFDES F6A , NODE 1
SH 17 , REFDES P48 , NODE 10 SH 18 , REFDES J2-1, NODE A1
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
Schematic - 379 Model Family ElectricalP94-6023C16

17. MFTS
MODULE 1
21 WAY
HEADLAMPS
HEADLAMP SWITCH
MFTS
MODULE
12 WAY
LEFT
HEADLAMP
RIGHT
HEADLAMP
HIGH BEAM OUT
LOW BEAM OUT
HDLP LOW PWR
HDLP ON / OFF
MODULE GROUND
HDLP FLASH INPUT
HOOD
FIREWALL
HDLP FLASH INPUT
HDLP DIMMER INPUT
MAIN CAB
PRP2145
PRP2145
TURN STALK
CONNECTOR
12 WAY
SWITCH COMMON
GRN2990-3
YEL2141
YEL2141
BRN2622-2
WHT2100-11 WHT2100-10
YEL2121
GRN2990-6
YEL2121-7
WHT1500-379
WHT1500-74
WHT1500-72
WHT1500-73
MAIN
GROUND WHT1500-75
YEL2111-3
WHT2100-12
YEL2121-2
YEL2111-4
WHT2100-13
YEL2121-3
YEL2111-4
YEL2121-3
YEL2111-3
YEL2121-2
HDLP HIGH / LOW
MODULE POWER
MODULE GROUND WHT2990-4
GRN2990-4
IGNITION POWER
ORN2990-0
RED2990-1
NOTE:
MULTI-FUNCTION TURN STALK ( MFTS )
SEE
SH 47
ORN2990-0
RED2990-1
HDLP HIGH PWR
PRP2142
PRP2142
GROUND
WHT2990-5
WHT2990-6
GRN2990-5
GRN2990-6
GRN2990-5
SWITCH COMMON GRN2990-2
RED2100-3 RED2100-5
RED2100-4
RED2100-7
RED2100-0
YEL2422-5
GRA2422-13
YEL2141-1
WHT1500-376
WHT1500-378
YEL2121-1
YEL2121-5
GRA2121-4
YEL2111-2
YEL2111-1
YEL2111-1
YEL2111-2
GRA2111
GRA2111
GRA2121-4
RED2100-9
RED2100-9
YEL2422-5
RED2100-8
J15-2
54121
J11-1
19 13 16 5 20 8 18 21
S9
P48
2B1037895B6
S112
S45-1
S46
J12-1
3214
S243-3
P243-2
A4
B4
G8
B7
A7
J1-5
A7
B7
G8
B4
A4
S6-1
SH 14 , REFDES S112-1, NODE 1
SH 46 , REFDES J27 , NODE 6
S41-15S21-10S4-6
T5-10
1
P251
C B A
P250
C B A
SH 11, REFDES F1A-7 , NODE 2 SH 10 , REFDES F1A-6 , NODE 2
SH 40 , REFDES J15-3 , NODE 12
S88
S33
SH 10 , REFDES F4A-6 , NODE 2
SH 16 , REFDES P45 , NODE 2B
SH 16 , REFDES S89 , NODE 1 SH 16, REFDES S26 , NODE 1
SH 16 , REFDES S46-4, NODE 1
SH 12 , REFDES F5A-1, NODE 2 SH 12 , REFDES F6A-1, NODE 2
SH 12 , REFDES F6A-1, NODE 1
SH 13 , REFDES F3A , NODE 2 SH 13 , REFDES F4A , NODE 2
SH 13 , REFDES F3A , NODE 1
SH 16 , REFDES S89 , NODE 1
SH 10 , REFDES F7A-2 , NODE 1
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
Schematic - 379 Model Family ElectricalP94-6023C17

18. BACK-UP
LIGHT
SWITCH
BACK-UP LIGHT SWITCH
YEL2960
ORN1229-1
ORN1229-2
YEL2422-14
YEL2332-2
WHT2400-10
YEL2422-14
YEL2332-2
FIREWALL
WHT2400-9
ORN1229-3
CAB
FIREWALL
CONNECTOR
ORN3100-8
WHT2400-11
YEL2322-3 YEL2322-3
RIGHT HAND
TAIL LIGHT
LEFT HAND
TAIL LIGHT
SWITCHED
POWER
YEL2322-5
WHT1500-20
MAIN
GROUND WHT1500-21
YEL2960-1
WHT2400-12
YEL2332-4
YEL2422-16
YEL2960-1
YEL2422-16
YEL2332-4
WHT2400-12
YEL2322-5
ORN1229
YEL2960
ORN1229-14
ORN1229-21
SEE ENGINE FIREWALL
BULKHEAD MATING CONNECTOR
P103 ( PIN 21 ) FOR ALL ENGINES
MATING CONNECTOR:
CHASSIS
FIREWALL
CONNECTOR
CAB
FIREWALL
BULKHEAD
CONNECTOR
BACK-UP LIGHT
TAIL / SIDE MARKER LIGHT
LEFT REAR TURN SIGNAL
GROUND
RIGHT REAR TURN SIGNAL
YEL2332-5
YEL2322-6
YEL2332-5
YEL2322-6
MFTS
MODULE
21 WAY
MFTS
MODULE
12 WAY
NOTE:
MULTI-FUNCTION TURN STALK ( MFTS )
( SEE SH 75-85 )
YEL2422-15
SH 11, REFDES F2A-4 , NODE 2
SH 56, REFDES S521-4, NODE 1
SH 52, REFDES S524-2, NODE 1
SH 16 , REFDES J2-3 , NODE A1
J12-5
12
J11-6
9
T5-11
1
S41-16
P535-1
A
B
C
E
D
P537-1
D
E
C
B
A
J50-1
1
S11
S21-5
P521-4
F2
G2
A1
F1
B1
J2-1
B1
F1
A1
G2
F2
S521S524
P532-1
D E C B A
P533
AB
Schematic - 379 Model Family Electrical P94-6023C18

19. AD / LOAD LIGHTS
SWITCH
DAYCAB AD / LOADLIGHTS
AD / LOAD
LIGHT
AD / LOAD
LIGHT
MAIN CAB
ROOF HARNESS
ROOF
DASH
CONNECT
LH LAMP
OPTION 1
LH LAMP
OPTION 2
RH LAMP
OPTION 1
RH LAMP
OPTION 2
YEL2941-2
WHT2600-3
YEL2941-4
WHT2600-9
WHT2600-7
YEL2941-3
WHT2600-10
YEL2941-5
YEL2941-0
WHT2600-0
YEL2941-6
YEL2941-7
YEL2941-7
RED0711-1
YEL2941-12
YEL2941-13
WHT1500-23
WHT1500-22
BRN2622-3
FIREWALL
YEL2941-14
YEL2941-14
YEL2941-16
RED0711-3
TO ROOF HARNESS
TO LOAD LAMP
WHT2600-26
YEL2941-18
LOAD LAMPS JUMPER OPTION
CONNECTS TO RH LAMP
OPTION 2 ( P308 )
YEL2941-17
GRA6611-11
PART NUMBER P92-6330-000
MAIN
GROUND
WHT1500-24
WHT1500-25
WHT2600-4
RED0711
WHT2600-32
WHT2600-35
GRA6611-12
SEE
SH 47
YEL2941-11
YEL2941-19
YEL2941-20
P42
10 9 8 7 3 2BP20
1
S59
S45-3
S46-3
S28
J20
1
S58
S295
P301
A B P296
B A
S297
P308
A B P292
A B
S300
S292
J298-2
6
3
2
7
P92-1
7
2
3
6
SH 39 , REFDES P27, NODE 1
J1-15
A B
J2-15
BA
SH 20 , REFDES P50-1, NODE D
SH 20 , REFDES P50-1, NODE E
T5 - 19
1
S41-17
SH 10 , REFDES F7A-3 , NODE 2
SH 24 , REFDES S299 , NODE 1
SH 34 , REFDES S291-3 , NODE 1
SH 24 , REFDES J298-3 , NODE 7
SH 20 , REFDES J30 , NODE A SH 20 , REFDES J30 , NODE B
9
3
1
6
4
10
7
2B
5B
8
B
A
Schematic - 379 Model Family ElectricalP94-6023C19

20. SLEEPER
LOAD LAMPS
SLEEPER AD / LOADLIGHTS - 48" / 63" HIGH ROOF
SLEEPER
ROOF
DISCONNECT
ROOF
SLEEPER
DISCONNECT
CAB
SLEEPER
INTERFACE
ROOF
SLEEPER
CONNECT
GRA2941-0
GRA2944-2
GRA2945-1
GRA2941-2
YEL2941-1
SLEEPER
LOAD CENTER
DISCONNECT
YEL2941-17
GRA6611-11GRA6611-13
GRA2941-2
GRA2944-0
GRA2945-0
GRA2944-0
GRA2945-0
YEL2945-1
YEL2945-1
YEL2941-23
SLEEPER
LOAD
CENTER
SEE
SHEET 44
GRA2944-2
GRA2945-1
GRA2941-0
GRA6611-13
LOAD LIGHT
COILED
WHT1130-28
RH LOAD
LIGHT FLUSH
WHT1130-29
YEL2941-24
LH LOAD
LIGHT FLUSH
WHT1130-16
WHT1130-17
RH LOAD
LAMP BRKT
YEL2944-2
YEL2944-1
YEL2944-3
LH LOAD
LAMP BRKT
WHT1130-30
WHT1130-8
WHT1130-32
WHT1130-33
WHT1130-34
LOADLIGHT 1 SIGNAL
LOADLIGHT 3 SIGNAL
LOADLIGHT 2 SIGNAL
LOADLIGHT 3
LOADLIGHT 1
LOADLIGHT 2
WHT1130-16
MATING CONNECTOR: J342
YEL2941-19
CAB
SLEEPER
LOAD LAMPS
YEL2941-20
SLEEPER
LOAD
LAMPS
DUAL LOAD
LAMP SWITCH
BACKLIGHT
SPLICE BLOCK
GRA2944-15
GRA2944-1
WHT0710-0
WHT0710-1
GRA2945-5
WHT0710-3
RED0710-0
RED0710-10
RED0710-11
BRN2624-0BRN2624-1
GRA2944-15
GRA2945-5
BRN2624-2
WHT0710-2
GRA2945-6
WHT0710-4
LOAD LAMP
SWITCH 2
LOAD LAMP
SWITCH 3
OPTIONAL
DUAL SWITCH
SPST
SH 19 , REFDES S59 , NODE 1
SH 19 , REFDES P92-1, NODE 7
SH 26 , REFDES S384 , NODE 1
SH 26 , REFDES S384 , NODE 1
SH 26 , REFDES P392 , NODE 2
SH 26 , REFDES S388 , NODE 1
SH 26 , REFDES S384 , NODE 1
SH 27 , REFDES S387-1, NODE 1
SH 19 , REFDES S58 , NODE 1
SH 19 , REFDES S58 , NODE 1
S610
S612-1
S613
P612-1
2B
8
7
10
3
9
P611-1
2B 8 7 10
3
9
J611
1
J613
1
2
J612
A B
J30
A B
P398
B A
S393
P403
B A
S387
P404
A B
S386
P381
M
S
L
J
P
N
A
P387
B A
P386
A B
J291
F
E
C
B
A
G
H
D
P50-1
D
H
G
A
B
C
E
F
J388
E
B
P
N
D
P309-1D
N
P
B
E
J294
B
A
Schematic - 379 Model Family ElectricalP94-6023C20

21. FIREWALL
HOOD
RIGHT
FOG / DRIVING
LEFT
FOG / DRIVING
YEL2951-2
WHT2100-19
YEL2951-3
YEL2951-1
WHT2100-17
WHT2100-20
YEL2951-4
WHT2100-18
YEL2951-5
YEL2951-3
YEL2951-5
BRN2622-4
WHT1500-37
WHT1500-33 WHT1500-33
MAIN CAB
MAIN
GROUND WHT1500-32 WHT1500-29
WHT1500-28
WHT1500-26
WHT1500-27
RED2951
SEE
SH 47
RED2951
WHT1500-31
FOG / DR
SWITCH P13
102B5B 6397 8
S21-1
S45-4
S46-2
P243-3
A4
F4
J1-6
F4
A4
S241
S243-4
P242
A BP241
A B
S6-3
T5-12
1
S41-18
S4-7
SH 10, REFDES F2A-3, NODE 2 SH 10 , REFDES S31-1, NODE 1
9
3
1
6
4
10
7
2B
5B
8
B
A
Schematic - 379 Model Family ElectricalP94-6023C21

22. DOOR LOCK ACTUATOR
PIN A( - ) / PIN B( + ) RETRACT LOCK
PIN A( + ) / PIN B( - ) EXTEND UNLOCK
CAB DOOR LOCKS
LH DOOR
LOCK
SWITCH
LH DOOR
LOCK
CAB HARNESS
( DOOR LOCKS )
LH
DOOR LOCK
ACTUATOR
GRA6731-2
GRA6731-2
GRA6711-2
GRA6711-2
BRN2622-12
WHT6910-4
GRA6710-10
GRA6710-10
BLK6730-10
RED6700-1
RED6700-2
RED6700-3
RED6700-4
TRIM PANEL
REMOTE
KEYLESS
ENTRY
LH DOOR
HARNESS
CAB HARNESS
RH DOOR
LOCK
SWITCH
RH DOOR
LOCK
CAB HARNESS
( DOOR LOCKS )
CAB HARNESS
RH
DOOR LOCK
ACTUATOR
RH DOOR
HARNESS
BLK6730-10
YEL6712-5
YEL6732-5
YEL6712-5
YEL6732-5
WHT6910-12
BLK6730-1
GRA6710-1
GRA6710-1
BLK6730-1
GRA6710-7
BLK6730-7
GRA6712-8
GRA6732-8
GRA6710-7
BLK6730-7
GRA6712-8
GRA6732-8
LOCK UNLOCKLOCK UNLOCK
WHT6750-8
WHT1500-39 WHT1500-40 WHT1500-41
MAIN
GROUND
RED6750-0
RED6700-5
RED6750-0
BRN2622-89
BRN2622-88
BRN2622-90
RED6700-5
BRN2622-91 BRN2622-92
BRN2622-93
BRN2622-9
BRN2622-94
WHT6910-12
BRN2622-90
GRA6712-1
GRA6712-1
GRA6732-5
GRA6732-5
YEL6712-3
YEL6712-1
YEL6732-1
YEL6732-3
YEL6712-4
YEL6732-4
GRA6711-1
GRA6711-1
GRA6731-1
GRA6731-1
YEL6732-2
YEL6732-17
GRA6711-4
YEL6712-15
YEL6712-16
GRA6731-4
SH 31 , REFDES S583 , NODE 1
SH 31 , REFDES S582 , NODE 1
SH 32 , REFDES S571, NODE 1
SH 10 , REFDES F6A-6 , NODE 2
SH 10 , REFDES F5A-6 , NODE 2
SH 39, REFDES S25, NODE 1
SH 31, REFDES S583, NODE 1
SH 32 , REFDES S572 , NODE 1
SH 26 , REFDES P50-2 , NODE H
SH 26 , REFDES P50-2 , NODE G
S77
S75
S14
S18
S572-2
S583-2
S15-2
T5-26
1
S41-29S21-19S4-16
P577
1
2
4
3
5
J35
5
3
4
2
1
M
POSITION 1
POSITION 0
POSITION 2
132465132465132465
POSITION 1
POSITION 0
POSITION 2
132465132465 132 465
P576-2
A
C
D
J16-2
D
C
A
P573
ABP571
142653
P43
D
C
E
F
H
G
A
B
J43
B
A
G
H
F
E
C
D
P588-2
B
A
J17-2
A
B
S585
S584
J18
D
C
B
A
P586
AB
P581
142653
P589
A
B
C
D
M
Schematic - 379 Model Family ElectricalP94-6023C22

23. REMOTE KEYLESS ENTRY RELAY-OPTIONAL
RKE
MODULE
RKE PROGRAM
RKE PROGRAM
( GROUND )
MAIN
CAB
HARNESS
PRP6751
PRP6751
YEL6732
YEL6712
GRA6710-12
GRA6711-3
GRA6711-3
GRA2422
YEL6712
GRA6710-12
YEL6732
30
87
87a
86
85
30
87
87a
86
85
30
87
87a
86
85
30
87
87a
86
85
30
87
87a
86
85
RELAY 1
RELAY 2
RELAY 3
RELAY 4
RELAY 5
GRA6752-2
GRA6752-3
GRA6752-1
RED6750-5
RED6750-7
RED6750-6
RED6750-4
RED6750-2
RED6750-3
WHT6750-3
WHT6750-1
WHT6750-5
RED6750-1
RED6750-8
WHT6750-7
WHT6750-6
WHT6750-4
WHT6750-2
GRA6753-1
GRA6753-2
GRA6753-3
GRA6732-1
GRA6732-3
GRA6732-6
USED TO PROGRAM
NEW REMOTES
RKE
MARKER
LIGHTS
CAB
RKE
INPUT
GRA2422-1
GRA2422-6
NOTE:
MATES TO CONNECTOR
P43, SH 22, WHEN
REMOTE KEYLESS ENTRY
OPTION IS ORDERED.
RED6750-9
RED6750-10
GRA2422
GRA2422-2
GRA2422-2
SH 16 , REFDES S26 , NODE 1
S26-2
J701
A
B
J10
B
A
S701
S705
S704
S702
S703
J702
23 21 22 25 24 18 16 17 20 19 13 11 12 15 14 8 6 7 10 9 3
1
2
5
4
J704
H
F
A
B
D
G
E
C
P701
C
L
P
R
M
K
H
J
G
N
F
B
E
A
D
S
J703
1
P703
1
Schematic - 379 Model Family ElectricalP94-6023C23

24. CAB DOME LIGHT / DOOR LAMPS / DOOR JAMB / ALARM
CAB ROOF HARNESS
RH DOOR
JAMB
SWITCH
LH DOOR
LAMP
RH DOOR
LAMP
LH DOOR
JAMB
SWITCH
ROOF DASH CONNECT
WHT2600-18
YEL2640-2
GRA6611-4
WHT2600-20
RED2611-17
YEL2640-3
GRA6611-2
ALARM
LH DOOR
LAMP
RH DOOR
LAMP
CAB
HARNESS
YEL2640-6
LH DOOR
HARNESS
CAB
HARNESS
RH DOOR
HARNESS
YEL2640-10
YEL2640-9
YEL2640-13
WHT6910-15
WHT6910-3
YEL2640-11
ANTI-THEFT DOOR SW
DOME LIGHT
DOOR LIGHT SW
GROUND
DOME LIGHT
DOOR LIGHT SW
DOOR LIGHT SW
DOME LIGHT
GROUND
ANTI-THEFT DOOR SW
DOME LIGHT
DOOR LIGHT SW
MAIN
GROUND WHT1500-42
WHT1500-42
YEL2640-12
SLEEPER INTERFACE
GRA6611-24
GRA6611-24
CTR DOME
LAMP
GRA6611-3
RED2611
RED2611-6
RED2611-2
WHT2600-21
WHT2600-31
WHT2600-24
WHT2600-29
WHT2600-28
RED2611-1
WHT2600-22
RED2611-10
YEL2640-1
YEL2640-4
WHT2600-32
RED2611-11
RED2611-9
GRA6611-1
GRA6611-15
GRA6611-12
GRA6611-23
DOOR PANEL
ROOF
YEL2640-6
YEL2640-10
YEL2640
RED2611
YEL2619-0
ANTI-THEFT
DOOR SWITCH
YEL2619-0
SH 32, REFDES S571, NODE 1
SH 31, REFDES S582 , NODE 1
SH 46 , REFDES J27 , NODE 2
SH 10 , REFDES F6A-3 , NODE 2
SH 34 , REFDES P298 , NODE 3
SH 34 , REFDES S291-3 , NODE 1
SH 19 , REFDES S300, NODE 1
SH 26 , REFDES J298-6 , NODE 7
SH 19 , REFDES J298-2 , NODE 7
SH 43 , REFDES J298-5 , NODE 7
SH 10 , REFDES F5A-5 , NODE 2
SH 25 , REFDES S115, NODE 1
S299
S301
S298P295
BAC
P50-3
E
T5-17
1
S16
P576
B
J16
B
P588
C
J17
C
P575
1 2
P585
1 2
P300
B
C
A
P293
2
1
3
P302
1
S290
S291
S294
P299
2
1
3
P294
A
C
B
S41-6
P92-2
5 1 3
7
J298-3
7
3
1
5
S293
Schematic - 379 Model Family ElectricalP94-6023C24

25. FOOTLIGHT /
POWERPOINT
HARNESS
CAB FOOTLIGHT /
POWERPOINT
CONNECTOR
CIGAR
LIGHTER
POWER
POINT
FOOTLIGHT
FOOTLIGHT
POWER
POINT
( B-PANEL )
WHT6950-0 WHT6950-1
YEL2619-5 YEL2619-3
WHT6950-2
RED6950-2
WHT6950-3
RED6950-1
BRN2622-30
WHT6950-4
YEL2619-4
BRN2622-30
RED6950-1
RED6950-2
WHT1500-45 WHT1500-44 WHT1500-43 WHT1500-48
MAIN
GROUND
WHT6950-5
CAB FOOTLIGHTS / CIGAR LIGHTER / POWER POINT / B-PANEL POWER POINT
RED6952
BRN2622-32
RED6950
YEL2619-1 YEL2619-0
YEL2619-2
RED6951
RED6951
WHT6951-3
WHT6951-3
BRN2622-163
BRN2622-164
BRN2622-110
SH 10 , REFDES F3A-3 , NODE 2
SH 10 , REFDES F5A-3 , NODE 2
SH 24 , REFDES P92-2 , NODE 5
SH 10 , REFDES F5A-5 , NODE 1
SH 10 , REFDES F1A-3 , NODE 2
SH 51 , REFDES S45-7 , NODE 1
SH 47 , REFDES S56 , NODE 1
SH 46 , REFDES S86 , NODE 1
P4
BAC
S115
S56-2
T5-18
1
S41-22S21-14S4-11S6-2
S612
S611
P615
C
B
A
P614
C
B
A
P613
B
A
P612
B
A
P32
D
E
C
B
A
F
P611
F
A
B
C
E
D
Schematic - 379 Model Family ElectricalP94-6023C25

26. 48" / 63" HIGH ROOF SLEEPER LIGHTS / DOOR LOCK / DOOR JAMB
READING
LIGHT
READING
LIGHT
LH DOOR
JAMB
SWITCH
RH DOOR
JAMB
SWITCH
RH GENERAL
ILLUMINATION LIGHTS
WHT1130-1
YEL2640-14
YEL2640-15
RED2613-3
RED2613-4
RED2613-5
WHT1130-15
WHT1130-24
OVERHEAD
LIGHT
DOME
LIGHT
LH GENERAL
ILLUMINATION
LIGHTS
OVERHEAD
LIGHT
SWITCH
LAMP SWITCH
GROUND
DASH SWITCH
CONTROL
DASH SWITCH
CONTROL
RED2613-6
WHT1130-14
RED2613-7
RED2613-8
WHT1130-12
WHT2613-2
WHT2613-1
WHT1130-10
SLEEPER
ROOF
DISCONNECT
ROOF
SLEEPER
DISCONNECT
ROOF
SLEEPER
CONNECT
CAB
SLEEPER
INTERFACE
CAB
ROOF
HARNESS
RED2613-14
RED2613-15
YEL2640-16
WHT1130-2
SLEEPER
LOAD CENTER
DISCONNECT
LH BAGGAGE
COMPARTMENT
LIGHT
RH BAGGAGE
COMPARTMENT
LIGHT
YEL2640-23
WHT1130-7
WHT1130-7
YEL2640-18
ROOF
DASH
CONNECT
BACKLIGHT
GROUND
SWITCH
BACKLIGHT ORN6120-1
ORN6120-1
YEL2640-18
SLEEPER DOOR
LOCK
GRA6611-10
ORN6100-11
GRA6732-9
GRA6712-9
GRA6732-10
GRA6712-10
ORN6100-13
ORN6100-13
GRA6732-10
GRA6712-10
YEL2614-0
BLK2614-0
YEL2614-0
BLK2614-0
FLOURSCENT
LAMP
BLK2614-1
YEL2614-1
BLK2614-1
YEL2614-1
MAIN SLEEPER
GROUND
SLEEPER
LOAD
CENTER
SEE SHEET 44
GRA6611-10
ORN6100-11
GRA6732-9
GRA6712-9
GRA6611-6 GRA6611-15
WHT1130-16
WHT1130-30
WHT1130-8
RED2613-1
WHT2613-0
RED2613
RED2613-0
RED2613-11
WHT1130-11
WHT1130-11
WHT1130-31
WHT1130-13
WHT1130-9
WHT1130-32
WHT1130-33
LIGHTING BATTERY POWER
ACC RELAY CONTROL
SWITCHED POWER
WHT1130-22
WHT1130-2
WHT1130-8
ORN6100-12
ORN6100-25
ORN6100-26
YEL6712-4
YEL6732-4
SH 27 , REFDES P397 , NODE 2
SH 24 , REFDES J298-3 , NODE 7
SH 20 , REFDES P386 , NODE B
SH 20 , REFDES P398 , NODE B
SH 20 , REFDES S387 , NODE 1
SH 20 , REFDES S387 , NODE 1
SH 20 , REFDES S387 , NODE 1
SH 35 , REFDES S105-2 , NODE 1
SH 12 , REFDES F2A-1, NODE 2
SH 22 , REFDES S18 , NODE 1
SH 22 , REFDES S14 , NODE 1
S105-7
P391
A
B
C
T386
1
P297
BA
J387
A
B
P393
12
P392
12
P381-2
E
J
B
J291-2
G
H
B
E
P50-2
E
B
H
G
J298-6
7
P92-6
7
P309-2
E
B
H
G
S
R
J388-2
R
S
G
H
B
E
S391
S382
S392
T385
1
T384
1
T382
1
T383
1
T381
1
P388
1
2
3
P389
1
2
3
P390
3
2
1
S388
S389
S395
S394
S384
P384
123P385
123
P400
1
2
P396
3 1 2
P395
3 1 2
P401
1
2
Schematic - 379 Model Family ElectricalP94-6023C26

27. 48" / 63" HIGH ROOF SLEEPER POWER ACCESS OUTLETS
ACC JACK
# 1
ACC JACK
# 1 GND
ACC PWR / GND
# 3
ACC JACK
# 4
ACC JACK
# 4 GND
WHT1130-0
AUX PWR / GND
# 2
WHT1130-2
WHT1130-5
WHT1130-4
WHT1130-21
RED6930-0
RED6953-0
RED6954-0
SLEEPER
LOAD
CENTER
DISCONNECT
SLEEPER
LOAD
CENTER
RED6930-0
RED6953-0
RED6954-0
SEE
SHEET 44
WHT1130-34
RED6420-0
BATTERY POWER
BATTERY POWER
BATTERY POWER
BATTERY POWER
WHT1130-2
MATING CONNECTOR: J342
RED6420-0
SH 26 , REFDES S384, NODE 1
SH 20 , REFDES S387 , NODE 1
S387-1
P397
1 2
S388-1
P381-3
G
H
F
D
P405
1 J386
1J385
1P394
1 P399
1 2
Schematic - 379 Model Family ElectricalP94-6023C27

28. 48" / 63" LOW ROOF SLEEPER
GRA7212-2
GRA7212-2
GRA7211-2
GRA7211-2
GRA7310-2
GRA7310-2
GRA7131-7
GRA7131-7
RED7222-1
RED7222-1
BLU7222-2
BLU7222-2
BLK7222-1
BLK7222-1
RED6953-7
HEATER-A / C
CONTROL
FAN SPEED
HEATER-A / C
CONTROL
ON / OFF
LH LOAD
LIGHT FLUSH
LH BAGGAGE
COMPARTMENT
LIGHT
OVERHEAD
LIGHT
RH LOAD
LIGHT FLUSH
READING
LIGHT
DOME
LIGHT
LH DOOR
JAMB
SWITCH
LH LOAD
LAMP BRKT
RH BAGGAGE
COMPARTMENT
LIGHT
ACC JACK
# 1
ACC JACK
# 1 GND
RH DOOR
JAMB
SWITCH
HEATER-A / C
UNIT TEMP
ACTUATOR
HEATER-A / C UNIT
BLOWER MOTOR
HEATER-A / C
UNIT BLOWER
RESISTOR
ACC PWR / GND
# 3
AUX PWR / GND
# 2
ROOF
HARNESS
DISCONNECT
ORN6120-5
RED6954-3
OVERHEAD
LIGHT
SWITCH
GRA2941-4
ORN6100-20
GRA7260-7
GRA2945-3
LOAD
CENTER
DISCONNECT
GRA2941-4
ORN6100-20
GRA7260-7
GRA2945-3
MAIN SLEEPER
GROUND
RED6420-6
RED6954-3
RED6953-7
YEL2614-3
BLK2614-3
BLK2614-3
YEL2614-3
LAMP SWITCH
GROUND
BACKLIGHT
GROUND
BACKLIGHT
POWER
DASH SWITCH
CONTROL
DASH SWITCH
CONTROL
ORN6120-5
SLEEPER
DOOR
LOCK
GRA6712-2
GRA6732-2
GRA6712-2
GRA6732-2
GRA2944-4
GRA2944-4
LOAD LIGHT
COILED
YEL2945-3
RH LOAD
LAMP BRKT
YEL2945-3
RED6420-6
READING
LIGHT
YEL7260-7
YEL7260-8
YEL7260-9
GRA7213-7
GRA7213-8
GRA7213-9
RED7300-13
RED7300-14
RED7300-15
RED2613-22
RED2613-25
RED2613-26
RED2613-23
RED2613-27
RED2613-28
YEL2941-29
YEL2941-30
YEL2941-31
RED2613-31
RED2613-32
WHT1130-72 WHT1130-73
WHT1130-74
WHT2613-4
WHT2613-5 WHT2613-6
WHT1130-75
WHT1130-76
WHT1130-77
WHT1130-79
WHT1130-71
WHT1130-80
WHT1130-81
WHT1130-82
WHT1130-83
WHT1130-84
WHT1130-85
WHT1130-86
WHT1130-87
WHT1130-88
WHT1130-89
YEL2640-24
YEL2640-25
Y
EL2640-27YEL2640-26
YEL2640-28
YEL2944-9
YEL2944-8
YEL2944-10
WHT1130-82
WHT1130-81
WHT1130-75
WHT1130-76
WHT1130-80
WHT1130-79
P382-2
236514J381-2
EDFCBA
P397-2
2 1P398-2
A BP392-2
1 2
P386-2
AB
P393-2
2 1
P391-2
A
B
C
P387-2
AB
P401-2
1 2
P390-2
3
2
1
P399-2
1 2
J383-2
1234P383-2
12 J382-2
7810
P395-2
3 1 2 P394-2
1
J385-5
1
P396-2
3 1 2
P406-2
12
T381-2
1
T383-2
1
T382-2
1
P381-5
S
M
K
L
J
G
H
D
F
A
E
B
P
N
C
R
T386-2
1
T384-2
1
T385-2
1
J388-5
G
H
E
A
R
S
F
B
P
C
D
N
J387-5
A
B
P404-2
AB
P403-2
A B
S385-2
S381-2
S390-2
S389-2
S392-2
S386-2
S382-2
S391-2
S384-2
S387-3
S394-2
S395-2
S393-2
Schematic - 379 Model Family ElectricalP94-6023C28

29. 70" SLEEPER
GRA7212-0
GRA7212-0
GRA7211-0
GRA7211-0
GRA7310-0
GRA7310-0
GRA7131-10
GRA7131-10
RED7222-0
RED7222-0
BLU7222-0
BLU7222-0
BLK7222-0
BLK7222-0
HEATER-A / C
CONTROL
FAN SPEED
HEATER-A / C
CONTROL
ON / OFF
LH LOAD
LIGHT 1
LH BAGGAGE
COMPARTMENT
LIGHT
LIGHT OVHD
FLUORESCENT
RH LOAD
LIGHT 1
LIGHT OVHD
GEN ILLUM
SWITCH BAG
COMPARTMENT
LIGHT DOOR
JAMB LH
LH LOAD
LAMP 2
RH BAGGAGE
COMPARTMENT
LIGHT
CIGAR
LIGHTER
PWR
CIGAR
LIGHTER
GROUND
SWITCH BAG
COMPARTMENT
LIGHT DOOR
JAMB RH
HEATER-A / C
UNIT TEMP
ACTUATOR
HEATER-A / C UNIT
BLOWER MOTOR
HEATER-A / C
UNIT BLOWER
RESISTOR
AUX PWR / GND
# 2
ROOF
HARNESS
DISCONNECT
LH GENERAL
ILLUMINATION
LIGHTS
WHT2613-3
RED6954-2
RED6930
12V
OUTLET TV
RH GENERAL
ILLUMINATION LIGHTS
TV
GRD
SWITCH OVHD
FLUORESCENT
LIGHT
GRAY2941-0
ORN6100-19
GRAY7260-0
GRAY2945-0
LOAD
CENTER
DISCONNECT
GRAY2941-0
ORN6100-19
GRAY7260-0
GRAY2945-0
MAIN SLEEPER
GROUND
RED6930
RED6954-2
YEL2614-2
BLK2614-2
BLK2614-2
YEL2614-2
SLEEPER
DOOR
LOCK
GRA6712-13
GRA6732-13
GRA6712-13
GRA6732-13
GRAY2944-0
GRAY2944-0
LOAD LIGHT
3
YEL2945-2
BUNK
END
TRAY
RH LOAD
LAMP 2
YEL2945-2
WHT2613-3
J391 REF / FAN
SWITCH
REF / FAN
LIGHT STORE
COMPARTMENT
RED6953-5
RED6953-5
RED6953-4
RED6953-4
WHT1130-45
SWITCH BAG
COMPARTMENT
LIGHT BUNK
12V OUTLET
VCR
VCR
GN
CIGAR
LIGHTER
BACKLIGHT
DIGITAL
CLOCK
YEL7260-4
YEL7260-5
YEL7260-6
GRA7213-0
GRA7213-5
GRA7213-6
RED7300-11
RED7300-10
RED7300-12
RED2613-9
RED2613-10
RED2613-12
RED2613-13
RED2613-16
RED2613-18
RED2613-17
RED2613-19
RED2613-20
RED2613-21
YEL2941-26
YEL2941-28
YEL2941-25
ORN6120-4
WHT1130-40
WHT1130-41
WHT1130-42
WHT1130-47
WHT1130-48
WHT1130-49
WHT1130-52
WHT1130-53
WHT1130-54
WHT1130-55
WHT1130-56
WHT1130-57
WHT1130-58
WHT1130-59
WHT1130-60
WHT1130-61
WHT1130-62
WHT1130-63
WHT1130-64
WHT1130-65
WHT1130-66
WHT1130-67
WHT1130-68
ORN6120-6
WHT1130-69
YEL2640-30
YEL2640-31
YEL2640-32
YEL2640-33
YEL2640-34
YEL2640-35
YEL2640-36
WHT1130-70
RED6953-2
RED6953-3
RED6953-6
RED6420-4
RED6420-5
RED6420-7
YEL2944-5
YEL2944-6
YEL2944-7
WHT1130-106
RED6953-9
ORN6120-7
P382-1
236514J381-1
EDF CBA
P397-1
2 1P398-1
A BP392-1
1 2
P386-1
AB
P393-1
2 1
P391-1
A
B
C
P387-1
AB
P390-1
1
2
J383-1
1234P383-1
12 J382-1
7810
P395-1
3 1 2P394-1
1
J385-1
1
P396-1
3 1 2
P389-1
2
1
P388-1
2
1
P385-1
21 P410
132
J386-1
1
P405-1
1
P381-4
S
M
K
L
J
G
H
D
F
A
E
B
P
N
C
R
T386-4
1
J388-4
G
H
E
A
R
S
F
B
P
C
D
N
J387-1
A
B
P404-1
AB
P402-1
1 2 P403-1
A B
J389
2B
7
9
1
3
10
P407
1J390
1
J391
2B
9
10
8
7
3
P409
B
A
P406
3
1
2
P408
1
J392
3 2 1 4
S385-1
S381-1
S390-1
S389-1
S392-1
S386-1
S396-1
S384-1
S387-2
S382-1
S388-2
S395-1
S394-1
S397
S383-1
S393-1
9
3
1
6
4
10
7
2B
5B
8
B
A
9
3
1
6
4
10
7
2B
5B
8
B
A
Schematic - 379 Model Family ElectricalP94-6023C29

30. 36" SLEEPER
GRA7212-3
GRA7212-3
GRA7211-3
GRA7211-3
GRA7310-3
GRA7310-3
GRA7131-8
GRA7131-8
RED7222-3
RED7222-3
BLU7222-3
BLU7222-3
BLK7222-3
BLK7222-3
RED6953-8
HEATER-A / C
CONTROL
FAN SPEED
HEATER-A / C
CONTROL
ON / OFF
LH LOAD
LIGHT FLUSH
LH BAGGAGE
COMPARTMENT
LIGHT
OVERHEAD
LIGHT
RH LOAD
LIGHT FLUSH
DOME
LIGHT
LH DOOR
JAMB
SWITCH
LH LOAD
LAMP BRKT
RH BAGGAGE
COMPARTMENT
LIGHT
ACC JACK
# 1
ACC JACK
# 1 GND
HEATER-A / C
UNIT TEMP
ACTUATOR
HEATER-A / C UNIT
BLOWER MOTOR
HEATER-A / C
UNIT BLOWER
RESISTOR
AUX PWR / GND
# 2
ROOF
HARNESS
DISCONNECT
WHT2613-8
RED6954-4
ORN6100-21
GRA2945-10
LOAD
CENTER
DISCONNECT
ORN6100-21
GRA2945-10
MAIN SLEEPER
GROUND
RED6954-4
RED6953-8
SLEEPER
DOOR
LOCK
GRA6712-11
GRA6732-11
GRA6712-11
GRA6732-11
LOAD LIGHT
COILED
YEL2945-4
RH LOAD
LAMP BRKT
YEL2945-4
RH DOOR
JAMB
SWITCH
READING
LIGHT
WHT2613-8
YEL7260-10
YEL7260-11
YEL7260-12
GRA7213-10
GRA7213-11
GRA7213-12
RED7300-16
RED7300-17
RED7300-18
YEL2941-32
YEL2941-27
YEL2941-33
RED2613-30
RED2613-34
RED2613-35
RED2613-36
RED2613-37
RED2613-38
GRA7260-10
GRA2941-10
GRA2944-10
GRA2944-10
GRA2941-10
GRA7260-10
WHT1130-94
WHT1130-95
WHT1130-96
WHT1130-97
WHT1130-98
WHT1130-99
WHT1130-100
WHT1130-101
WHT1130-102
WHT1130-103
WHT1130-104
WHT1130-105
RED2613-29
YEL2640-37
YEL2640-39 YEL2640-38
YEL2640-40
YEL2944-11
YEL2944-4
YEL2944-12
YEL2640-29
WHT1130-190
WHT1130-191
P382-3
236514J381-3
EDF CBA
P397-3
2 1P398-3
B AP392-3
1 2
P386-3
AB
P393-3
2 1
P391-3
B
A
C
P387-3
AB
P401-3
2 1
P390-3
3
2
1
J383-3
1234P383-3
12 J382-3
7810
P395-3
3 1 2P394-3
1
J385-2
1
P396-3
3 1 2
P381-6
S
M
K
L
J
G
H
D
F
A
E
B
P
N
C
R
T386-3
1
J388-6
G
H
E
A
R
S
F
B
P
C
D
N
J387-2
A
B
P404-3
AB
P403-3
B A
S385-3
S381-3
S390-3
S386-3
S392-3
S389-3
S387-4
S384-3
S394-3 S395-3
S393-3
Schematic - 379 Model Family ElectricalP94-6023C30

31. LH DOOR ELECTRIC WINDOW LIFT
WINDOW SWITCH
LH WINDOW
MOTOR
CAB HARNESS
( WINDOW )
RH PWR
WINDOW
SWITCH
LH PWR
WINDOW
SWITCH
LH
WINDOW
LIFT
TRIM PANEL
GRA6912-11
BLK6912-1
LH
DOOR
HARNESSCAB HARNESS
WHT6910-0
ORN6911-1
WHT6910-5
ORN6911-1
ORN6912-1
ORN6912-2
ORN6912-3
WHT6910-6
WHT6910-1
BRN2622-6
BRN2622-5
GRA6911-4
BLK6911-3
GRA6911-4
BLK6911-3
GRA6912-12
BLK6912-6
BRN2622-10
LH DOOR
HARNESS
BRN2622-11 BRN2622-13
CAB HARNESS
BRN2622-12
WHT6910-3
WHT6910-4
WINDOW SWITCH
BRN2622-28
ORN6911
ORN6912
WHT1500-49
MAIN
GROUND
WHT1500-50
WHT6910-7
SEE
SH 47
SEE SH 47
BRN2622-92
GRA6912-11
BLK6912-1
SH 32 , REFDES P39, NODE 1
SH 32 , REFDES P39, NODE 2
SH 32 , REFDES J16-1, NODE A
SH 22 , REFDES P581, NODE 1
SH 24 , REFDES P585, NODE 1
SH 22 , REFDES P581, NODE 4
SH 39 , REFDES S25 , NODE 1
SH 11 , REFDES F4A-4 , NODE 2
SH 11 , REFDES F6A-4 , NODE 2
SH 32 , REFDES P39, NODE 3
SH 22 , REFDES S583-2 , NODE 1
T5-24
1
S41-27
POSITION 1
POSITION 0
POSITION 2
132465132465 132465
S15
J17-1
B
P588-1
B
M
S21-6
S581
S583
S582
J582
1
2
3
P38 3
2
1
P583
51324
P582
145326
P587
BA
P35
2
1
J581
1
2
POSITION 1
POSITION 0
POSITION 2
132465132465132465
Schematic - 379 Model Family ElectricalP94-6023C31

32. RH WINDOW
MOTOR
RH PWR
WINDOW
SWITCH
RH DOOR ELECTRIC WINDOW LIFT
RH
WINDOW
LIFT
TRIM PANEL
GRA6912-4
GRA6912-4
BLK6912-4
BLK6912-4
GRA6912-7
GRA6912-7
BLK6912-5
BLK6912-5
WHT6910-13
WHT6910-14
WHT6910-15
BRN2622-7
BRN2622-8
GRA6912-12
BLK6912-6
WINDOW SWITCH
RH
DOOR
HARNESS
CAB
HARNESS
BRN2622-13
WHT6910-12
CAB HARNESS
( WINDOW )
WHT6910-7
SEE SH 47
BRN2622-94BRN2622-94
SH 24 , REFDES P575 , NODE 1
SH 31 , REFDES P35 , NODE 1
SH 31 , REFDES P35 , NODE 2
SH 31 , REFDES S15 , NODE 1
SH 22 , REFDES P571 , NODE 4
SH 31 , REFDES S21-6 , NODE 1
SH 22 , REFDES S572-2, NODE 1
J16-1
A
P576-1 A
M
POSITION 1
POSITION 0
POSITION 2
1324 65 13 2465 132465
S572
S571
P39
1
2
3
P572
162435
P574
BA
J571
3
2
1
Schematic - 379 Model Family ElectricalP94-6023C32

33. MIRRORS - STANDARD / MOTORIZED / HEATED & MIRROR CONTROL
MIRROR
HEAT
MIRROR
HEAT
WHT2600-34
YEL5921-1
YEL5921-2
LH DOOR
HARNESS
LH MIRROR
RH MIRROR
MAIN
GROUND
WHT1500-78
WHT1500-53WHT1500-52WHT1500-76WHT1500-77
ROOF
LH MIRROR
GROUND
WHT2600-33
CAB LEFT
MIRROR
MIRROR POWER
MODULE
MIRROR
HEAT
YEL5921-3
BLK5926-1
BLK5926-1
GRA5928-1
GRA5928-1
GRA5927-1
MIRROR
SWITCH
WHT5920-10
GRN0850-0
ORN0850-0
GRA5927-1
GRN0850-1
GRN0850-1
WHT5920-38
WHT5920-39
ORN0850-1
ORN0850-1
GRA5922-1
GRA5923-2
BLK5925-1
GRA5922-1
GRA5923-2
BLK5925-1
GRA5921-1
WHT1500-54
GRA5921-1
ORN5921-1 ORN5921
ORN5921-2
ORN5920-2
WHT5920-37
ORN5920-1
ORN5920
CAB LH
MIRROR SWITCH
SH 16 , REFDES S299-1, NODE 1
SH 41, REFDES S17-1, NODE 1
SH 11, REFDES F3A-4 , NODE 2
SH 11, REFDES F7A-5 , NODE 1
S36
S78
S30
J583
CB A
P584
1 2 3
86
87
87A
30
85
R18-1
K18 87A
30
85
87
86
J38
C H D L B G M A K F E J
J21
A B C
S21-11
S4-8
S6-10
T5-14
1
S41-19
MM
MM
S23
S17-2
J19
1J49
1J48
1J47
1
J46
1J45
1
J44
1J29
1
P312
1
J25
1
Schematic - 379 Model Family ElectricalP94-6023C33

34. CB RADIO
CB
RADIO
RED6291-0
RED6291-0
CAB ROOF
HARNESS
ROOF
DASH
CONNECT
RED6291
WHT2600-27WHT2600-30WHT1500-79
MAIN
GROUND
ROOF
WHT2600-29
WHT2600-28
WHT2600-35
SH 10 , REFDES F4A-3 , NODE 2
SH 24 , REFDES S298 , NODE 1
SH 24 , REFDES S298 , NODE 1
SH 19 , REFDES S292 , NODE 1
S291-3
T5-21
1
S41-24
P92-4 3
4
J298-4
4
3
P298
312
Schematic - 379 Model Family ElectricalP94-6023C34

35. DASH RADIO
RADIO 1 RADIO 2
RADIO
POWER
BRN2622-20
ORN6100-10
RED6191-0
WHT6100-2
RADIO
CAB
RADIO
POWER
WHT6100-3
ORN6100-3
DASH
BRN2622-21
RED6100-1
ORN6100
WHT1500-80 WHT1500-81 WHT1500-82 WHT1500-83
MAIN
GROUND
WHT6100-2
BRN2622-20
ORN6100-10
RED6191-0
BLK6113-8
YEL6113-8
BLK6111-8
YEL6111-8
ORN6100-18
ORN6100-25
RED6100
BLU6190-3
GRN6190-3
BLK6123
YEL6123
BLK6121
YEL6121
BLK6113
YEL6113
BLK6111
YEL6111
WHT6100-4
YEL6113-0
BLK6113-0
YEL6111-0
BLK6111-0
YEL6113-10
BLK6113-10
YEL6111-10
BLK6111-10
BLK6123-15
NOTE:
RADIO CONNECTOR P541 IS NOT
DOUBLE TERMINATED. THE
DOUBLE CIRCUITS ARE DRAWN
TO EASILY ACCOMODATE
THE DIFFERENT RADIO
CHOICES TO SHOW HOW
THE SPEAKERS ROUTE BACK TO
THE DASH RADIO.
YEL6123-15
BLK6121-15
YEL6121-15
SH 39 , REFDES S25 , NODE 1
SH 10 , REFDES F2A-5 , NODE 2
SH 12 , REFDES F2A-1, NODE 2
SH 43 , REFDES S105-1, NODE 1
SH 26 , REFDES S105-7 , NODE 1
SH 37 , REFDES J542 , NODE A
SH 37 , REFDES J542 , NODE B
SH 37 , REFDES J542 , NODE C
SH 37 , REFDES P544 , NODE A
SH 37 , REFDES P544 , NODE B
SH 37 , REFDES P544 , NODE C
SH 37 , REFDES P544 , NODE D
SH 37 , REFDES J541 , NODE A
SH 37 , REFDES J541 , NODE B
SH 37 , REFDES J541 , NODE C
SH 37 , REFDES J541 , NODE D
SH 37 , REFDES J100 , NODE A
SH 36 , REFDES P545 , NODE B
SH 36 , REFDES P545 , NODE A
SH 36 , REFDES P545 , NODE D
SH 36 , REFDES P545 , NODE C
SH 36 , REFDES J541-1 , NODE B
SH 36 , REFDES J541-1 , NODE A
SH 36 , REFDES J541-1 , NODE D
SH 36 , REFDES J541-1 , NODE C
SH 36 , REFDES P544-1 , NODE A
SH 36 , REFDES P544-1 , NODE B
SH 36 , REFDES P544-1 , NODE C
SH 36 , REFDES P544-1 , NODE D
T5-22
1
S41-25S21-16S4-13
S105-2
S6-6
S544
S543
S542
S541
236 P542
P541
32109161516478512111413
P543
B
C
D
A
J80
A
D
C
B
Schematic - 379 Model Family ElectricalP94-6023C35

36. CAB ROOF SPEAKERS - CONCERT CLASS / CONCERT CLASS PREMIUM
ROOF
SLEEPER
DISCONNECT
LH MID
BASS
SPKR
RH MID
BASS
SPKR
LH
HEADLINER
SPKR
HEADLINER
SPKR
RH
HEADLINER
SPKR
MID-BASS
SPKRS
REAR
SPKRS
SLPR
DISCONNECT
YEL6113-1
BLK6113-1
YEL6111-1
BLK6111-1
BLK6111-2
YEL6111-2
BLK6113-2
YEL6113-2
BLK6111-1
YEL6111-1
BLK6113-2
YEL6113-2
BLK6113-1
YEL6113-1
BLK6123-0
YEL6123-0
BLK6121-0
YEL6121-0
BLK6123-9
YEL6123-9
BLK6121-9
YEL6121-9
YEL6111-2
BLK6111-2
YEL6113-0
BLK6113-0
YEL6111-0
BLK6111-0
YEL6113-10
BLK6113-10
YEL6111-10
BLK6111-10
BLK6123-15
YEL6123-15
BLK6121-15
YEL6121-15
SH 38 , REFDES P563, NODE A
SH 38 , REFDES P563, NODE B
SH 38 , REFDES P563, NODE C
SH 38 , REFDES P563, NODE D
SH 35 , REFDES S542, NODE 1
SH 35 , REFDES S541, NODE 1
SH 35 , REFDES S544, NODE 1
SH 35 , REFDES S543, NODE 1
SH 35 , REFDES S542 , NODE 1
SH 35 , REFDES S541, NODE 1
SH 35 , REFDES S544 , NODE 1
SH 35 , REFDES S543 , NODE 1
SH 35 , REFDES P541, NODE 10
SH 35 , REFDES P541, NODE 9
SH 35 , REFDES P541, NODE 16
SH 35 , REFDES P541, NODE 15
A B C D
P544-1
P551 C
D
A
B
J541-1
B
A
D
C
J553
A B C D E
P563-2
E
D
C
B
A
J551
D C B A
P553
A
B
P552
B
A
P555
A
B
P554
B
A
J552
B
A
D
C
P545
C
D
A
B
Schematic - 379 Model Family ElectricalP94-6023C36

37. CAB ROOF SPEAKERS- CONCERT CLASS EHD
AMP
POWER
8 CHANNEL
AMP
LH MID
BASS
SPKR
RH MID
BASS
SPKR
LH
HEADLINER
SPKR
LH
HEADLINER
TWEETER
RH
HEADLINER
SPKR
RH
HEADLINER
TWEETER
RSA /
AMP SENSE
HEADLINER
SPKRS
REAR
SPKRS
BLK6123-1BLK6123-1
YEL6123-1YEL6123-1
BLK6121-1BLK6121-1
YEL6121-1
BLK6125-0
YEL6125-0
BLK6125-1
YEL6125-1
YEL6121-1
BLK6125-0
YEL6125-0
BLK6125-1
YEL6125-1
BLU6140-0
BLU6140-1
GRN6140-0
BLU6140-2
GRN6140-0
BLK6123-2
BLK6123-3
BLK6123-4
YEL6123-2
YEL6123-3
YEL6123-4
BLK6121-2
BLK6121-3
YEL6121-2
YEL6121-4
YEL6121-3
BLK6121-4
RED6100-0
RED6100-0
BLK6113-3
BLK6113-3
YEL6113-3
YEL6113-3
BLK6111-3
BLK6111-3
YEL6111-3
YEL6111-3
BLK6113-4
BLK6113-5
BLK6113-6
YEL6113-4
YEL6113-6
YEL6113-5
YEL6111-4
YEL6111-5
YEL6111-6
BLK61111-5
YEL6113-7
BLK6113-7
YEL6113-7
BLK6113-7
YEL6111-7
YEL6111-7
BLK6111-5
BLK6111-5
WHT6140-0
WHT6140-1
WHT6140-2
RED6140-2
RED6140-3
RED6140-1
SLPR
DISCONNECT
ROOF
SLEEPER
DISCONNECT
BLK6111-4
BLK6111-6
RED6100
BLU6190-3
GRN6190-3
BLK6123
YEL6123
BLK6121
YEL6121
BLK6113
YEL6113
BLK6111
YEL6111
WHT6100-4
RED6140
ROOF
DASH
ROOF
DASH
SEE SH 38
FOR SLEEPER
CONNECTIONS
SH 35 , REFDES P542, NODE 2
SH 35 , REFDES P542, NODE 3
SH 35 , REFDES P542, NODE 6
SH 35 , REFDES P541, NODE 10
SH 35 , REFDES P541, NODE 9
SH 35 , REFDES P541, NODE 16
SH 35 , REFDES P541, NODE 15
SH 35 , REFDES S541, NODE 1
SH 35 , REFDES S542, NODE 1
SH 35 , REFDES S543, NODE 1
SH 35 , REFDES S544, NODE 1
SH 35 , REFDES S6-6 , NODE 1
SH 10 , REFDES F4A-5 , NODE 2
J100
AB
S569
S560
S552
S551
S553
S554
S559
S558
S557
S556
S555
P551-1
A B C D
J551-1
A B C D
P556
D C B A
P560
ABC P552-1
BA P553-1
ABP554-1
ABP559
CB A P555-1
AB
B AP557
F6
F7
E15
E16
F2
F3
F13
F14
F16
F15
F10
F11
F4
F5
E4
E5
P558
E7
E6
E10
F8
F1
E1
E3
E2
F12
F9
E9
E12
E8
E14
E13
E11
P563-1
A B C D E F G H J K L M N P R S
J553-1
S
R
P
N
M
L
K
J
H
G
F
E
D
C
B
A
J542
DCB ADCB AP544
J541
DCB A
Schematic - 379 Model Family ElectricalP94-6023C37

38. PLATINUM
SUB
SLPR
DISCONNECT
RH SPKR
REAR SEAT
AUDIO
PREMIUM
SUB
PWR / GND
LH SPKR
BLK6121-6
BLK6121-7
YEL6121-5
YEL6121-6
BLK6123-5
BLK6123-7
BLK6123-6
YEL6121-7
YEL6123-6
YEL6123-7
BLK6125-3
YEL6125-3
BLK6125-2
YEL6125-2
BLK6125-2
YEL6125-2
BLK6125-3
YEL6125-3
WHT6100-1WHT6100-1
WHT6100-0
WHT6100-0
RED6191-2
RED6191-2
ORN6100-14
ORN6100-15
ORN6100-16
GRN6190-0
BLU6190-0
BLK6123-8
YEL6123-8
BLK6121-8
YEL6121-8
YEL6121-8
BLK6121-8
YEL6123-8
BLK6123-8
BLU6190-0
GRN6190-0
RADIO- 48" / 63" / 70" SLEEPER
BLK6123-9
YEL6123-9
BLK6121-9
YEL6121-9
BLK6121-5
YEL6123-5
( EHD ONLY )
( EHD ONLY )
ROOF
SLEEPER
DISCONNECT
( PREMIUM SOUND ONLY )
NOTE:
SLEEPER DISCONNECT P563 IS
NOT DOUBLE TERMINATED. THE
DOUBLE CIRCUITS ARE DRAWN
TO EASILY ACCOMODATE
THE DIFFERENT RADIO
CHOICES TO SHOW THE
SLEEPER ROUTINGS.
SH 36 , REFDES P563-2 , NODE A
SH 36 , REFDES P563-2 , NODE B
SH 36 , REFDES P563-2 , NODE C
SH 36 , REFDES P563-2 , NODE D
J553-2
SRPNMKL J C D A B HGF E
S565
S564
S563
S562
S561
P565
A
B
C
D
P563
E F G H B A D C J L K M N P R S
P564
ABCDEF GH
J561
A
B
C
D
J562
A4
A3
A2
A1
B5
A5
A7
B4
B3
B2
A6
B1
B8
A8
B7
B6
P561
A
B
P562
A
B
Schematic - 379 Model Family ElectricalP94-6023C38

39. CLOCK
CLOCK
POWER
CLOCK
BACKLIGHT
RED0711-3
WHT1500-90
BRN2622-15
BRN2622
CLOCK
BRN2622-21
BRN2622-28
MAIN
GROUND
WHT1500-91
SEE
SH 47
BRN2622-72
BRN2622-71
BRN2622-90
BRN2622-98
P27
12
P26
1
SH 19 , REFDES S28 , NODE 1
S41-7
S25
SH 14 , REFDES P40, NODE 9 SH 35 , REFDES J80 , NODE D SH 31 , REFDES S15, NODE 1
T5-15
1
SH 50 , REFDES S39, NODE 1 SH 67 , REFDES P15 , NODE M SH 22 , REFDES S15-2 , NODE 1SH 42 , REFDES P44, NODE 8
Schematic - 379 Model Family ElectricalP94-6023C39

40. WIPER / WASHER
TURN STALK
CONNECTOR
12 WAY
MFTS
MODULE
12 WAY
MFTS
MODULE 1
21 WAY
WIPER
ON / OFF
WIPER
HI / LO
RED5910-2
RED5910-3
RED5910-4
GRA5911-1
GRA5911-3 GRA5912-4
GRA5912-5
BLK5917-1
WASHER INPUT
WIPER LOW OUT
MODULE POWER
MODULE GROUND
WASHER INPUT
WIPER HIGH SPEED INPUT
WIPER PARK INPUT
WIPER LOW SPEED INPUT
WASHER
PUMP
WIPER
MOTOR
WHT2100-21
WHT2100-22
CAB HOOD
FIREWALL CONNECTOR
FIREWALL
BULKHEAD
WHT2100-15 WHT2100-14
GRA5913-0
GRA5911-7
RED5910-6
GRA5917-0
GRA5912-0
WHT2100-16
GRA5913-1
GRA5912-1
GRA5917-1
RED5910-7
GRA5911-8
GRA5912-1
GRA5917-1
RED5910-7
GRA5911-8
GRA5913-1
GRA5911-9
RED5910-8
GRA5917-2
GRA5912-2
WHT2100-5
GRA5911-9
GRA5912-2
GRA5917-2
MAIN
GROUND
WHT1500-92 WHT1500-93
WHT1500-94WHT1500-95
FIREWALL
MODULE GROUND
WIPER LOW SPEED INPUT
WASHER OUTPUT
IGNITION PWR
WASHER PUMP PWR
WHT2990-8
RED2990-2
RED2990-2
GRA5911-0
GROUND
SWITCH COMMON
WHT2990-9
GRN2990-5
GRA5912-3
SPARE
WHT2990-7
PRP5913-1
PRP5913-1
PRP5911-1
PRP5911-1
GRA5913-2
GRA5913-2
ORN2990-1
ORN2990-1
RED5910-1
PRP5917-1
PRP5917-1
ORN5910-10
NOTE:
MULTI-FUNCTION TURN STALK ( MFTS )
HOOD
CONNECTOR
FIREWALL
CONNECTOR
J15-3
9837112 J12-3
129
S110
86
87
87A
30
85
R8-1
86
87
87A
30
85
R7-1
30-3
86-3
85-3
87A-3
87-3
K8
87A-1
86-1
85-1
87-1
30-1
K7
S111
D5
S81
P276
3 4 2 1 6 5
P273
2 1
J271-1
4
7
8
9
10
11
P259-2
11
10
9
8
7
4
S273
P243-6
A4
E4
C7
C6
C5
C4
J1-9
C4
C5
C6
C7
E4
A4
S243
S6-7
T5-31
1
S4-9
S21-12
S41-20
SH 10 , REFDES F1A-6 , NODE 2 SH 17 , REFDES S112 , NODE 1
J11-5
20 12 7 10 18 4 14
SH 11 , REFDES F1A-7 , NODE 2 SH 11 , REFDES F2A-7 , NODE 2
Schematic - 379 Model Family ElectricalP94-6023C40

41. ELECTRIC HORN
HORN
PWR / GND
HORN
GRA5971-0
GRA5971-0
WHT1500-55
RED0712-2
RED0712-4
FIREWALL
CAB HOOD
FIREWALL CONNECTOR
FIREWALL
BULKHEAD
YEL5971-0
YEL5971-0 YEL5971-1
WHT2100-25WHT2100-24
ELECTRIC
HORN
YEL5971-2
WHT2100-26
RED0712-5
WHT2100-23
WHT1500-96WHT1500-97 WHT1500-98WHT1500-99 MAIN
GROUND
WHT1500-100
WHT1500-54
WHT1500-54
FIREWALL
HOOD
CONNECTOR
HOOD
FIREWALL
CONNECTOR
RED0712-3
SH 14 , REFDES P40, NODE 2B
SH 33, REFDES S17-2 , NODE 1
SH 10 , REFDES F4A1-7 , NODE 1
T5-4
1
S41-8
S21-7
S4-2
P275
B
A
P259-1
3
4
J271
4
3
S243-5
S6-8
J1-8
D4
A4
P243-5
A4
D4
S76
S17-1
85-1 87A-1 86-1 87-1 30-1
K4
86
87
87A
30
85
R4-1
P10
BA
Schematic - 379 Model Family ElectricalP94-6023C41

42. CAB HVAC
HVAC
CONTROL MODULE
BLOWER CONTROL
BLOWER
RESISTOR
FRESH / RECIRC
ACTUATOR BLOWER
MOTOR
TEMP
ACTUATOR
MODE
ACTUATOR
GRA7131-0 GRA7131-1
FIREWALL
HARNESS
GRA7131-2
FIREWALL
BUNK
LOW FAN
GRA7131-11
GRA7131-11
BUNK
SWITCH
ORN7110-2
ORN7110-3
ORN7110-4
GRA7211-10
GRA7211-5
GRA7213-15
GRA7213-1
WHT7110-51
ORN7110-5
WHT7110-52
WHT7110-7
WHT7110-6
GRA7260
WHT7110-2
GRA7131-6
GRA7260-6
ORN7300-7
HVAC
AIR COND.
ORN7110-8
GRA7133-0
GRA7133-0
YEL7111-0
ORN7110-9
GRA7133-1
CAB HOOD
FIREWALL
CONNECTOR
FIREWALL
BULKHEAD
HSHP
PRP
LSLP
BRN / BLK
HOOD
HARNESS
GRA7133-2
GRA7131-3
GRA7130-0
GRA7130-0
ELECTRONIC
ENGINE
FIREWALL
A / C COMPRESSOR
CLUTCH SOLENOID
YEL7111-1
ENGINE
GROUND
WHT3110-3
WHT3110-10
MAIN
GROUND
ORN7210
ORN7110
CAB ENGINE
FIREWALL
CONNECTOR
YEL7111-4
WHT1500-105
WHT1500-103 WHT1500-102
WHT1500-101
ORN7110-4
YEL7111-0
BRN2622-87
SEE
SH 47
YEL7111-4
BLU7221-1
BLU7221-1
GRA7131-9
BLU7222-4
BLU7222-4
BRN2622-98
BRN2622-98
YEL7223-1
YEL7223-1
WHT7110-1
GRA7223-1
GRA7223-1
ORN7110-6
WHT7210-1
WHT7210-1
WHT7110-44
WHT7110-55
GRA7211-4
GRA7213-13
GRA7213-14
GRA7212-4
GRA7212-4
GRA7310-5
GRA7310-5
GROUND
A / C POWER
MODE ACTUATOR SIGNAL
MODE ACTUATOR SIGNAL
HVAC SWITCH CONTROL
TEMP ACTUATOR SIGNAL
BACKLIGHTING
FRESH / RECIRCULATE CONTROL 1
HVAC GROUND
FRESH / RECIRCULATE CONTROL 2
A / C POWER
BLOWER GROUND SIGNAL
A / C
A / C CONDENSER
HVAC SWITCH CONTROL
A / C CONDENSER
BLOWER GROUND SIGNAL
HVAC GROUND
HVAC GROUND
BUNK BLOWER-LOW SPEED
BUNK BLOWER-HIGH SPEED
BUNK BLOWER-HIGH SPEED
COMBO HEATER / A / C BLOWER
BUNK AIR CONDITIONER
BUNK AIR CONDITIONER
COMBO HEATER / A / C BLOWER
BUNK BLOWER-HIGH SPEED
BUNK BLOWER-LOW SPEED
HVAC BLOWER SWITCHED POWER
BUNK BLOWER-HIGH SPEED
HVAC GROUND
TEMP ACTUATOR SIGNAL
A / C POWER
FRESH / RECIRCULATE CONTROL 2
FRESH / RECIRCULATE CONTROL 1
P99
ABCHDEGF
P47
1 2
J36
2134
J40
7 6 5 J39
10 8 7
J24
7108
S42
S12
J1-2
F8
B5
P243-4
B5
F8
P259
6
2
J271-2
2
6
86
87
87A
30
85
R5-1
85-1 30-1 87A-1 87-1 86-1
K5
S49
P49
10 8 3 2B 7 9
S57
S41-9
S48
S47
S6-5
SH 43 , REFDES P50 , NODE A
SH 43 , REFDES P50 , NODE C
SH 43 , REFDES P50 , NODE F
86
87
87A
30
85
R9-1
86-2 30-2 87A-2 87-2 85-2
K9
P272
BAP274
AB
P103
4
J50-2
4
P109
A
B
T101
1
S111-9
T5-16
1
S4-10
S21-13
SH 11, REFDES F1A-4 , NODE 2
SH 11, REFDES F6A-7 , NODE 2
SH 74 , REFDES J50-6 , NODE 4
S45-5
P44
11 15 12 8 14 1 13 16 9 2
P670
2 9 16 13 1 14 8 12 15 11
SH 39 , REFDES S25 , NODE 1
9
3
1
6
4
10
7
2B
5B
8
B
A
Schematic - 379 Model Family Electrical P94-6023 C 42

43. SLEEPER HVAC - ALL SLEEPERS
HEATER-A / C
CONTROL
FAN SPEEDHEATER-A / C
CONTROL
ON / OFF
HEATER-A / C
UNIT TEMP
ACTUATOR
HEATER-A / C UNIT
BLOWER MOTOR
HEATER-A / C
UNIT BLOWER
RESISTOR
GRA7213-2
GRA7310-1
GRA7212-1
GRA7211-1
YEL7260-2
YEL7260-3
ORN7300-2
ORN7300-4
RED7222
RED7222
BLU7222-1
BLU7222-1
BLK7222
BLK7222
GRA7213-3
GRA7213-4
YEL7260-1
ORN7300-5
SLEEPER
ROOF
DISCONNECT
SLEEPER
LOAD CENTER
DISCONNECT
GRA7211-1
GRA7212-1
GRA7310-1
ROOF
SLEEPER
DISCONNECT
ROOF
SLEEPER
CONNECT
CAB
SLEEPER
INTERFACE
GRA7131-6
GRA7260-6
ORN6100-6
ORN7300-7
GRA6611-21
GRA7131-5
GRA7260-5
ORN6100-8
ORN7300-6
GRA6611-22
GRA7131-4
GRA7260-4
ORN6100-7
GRA7260-4
ORN6100-7
ROOF
DASH
CONNECT
CAB
ROOF
HARNESS
GRA7131-4
ORN7300-3
SLEEPER
LOAD
CENTER
SEE
SHEET 44
ORN6100-9
ORN6100-18
GRA6611-23A / C BLOWER RELAY
A / C CONTROL
A / C BLOWER MOTOR
ACC RELAY CONTROL
GRA6611-21
MATING CONNECTOR: J342
BUNK BLOWER-HIGH SPEED
BUNK A / C
COMBO HEATER / A / C BLOWER
BUNK BLOWER-LOW SPEED
HVAC SLEEPER RETURN
HVAC SLEEPER RETURN
HVAC SWITCH CONTROL
BUNK & OVERHEAD FEED
TEMP ACTUATOR POWER
TEMP ACTUATOR SIGNAL
TEMP ACTUATOR GROUND
TEMP ACTUATOR GROUND
TEMP ACTUATOR SIGNAL
TEMP ACTUATOR POWER
BUNK BLOWER-LOW SPEED
COMBO HEATER / A / C BLOWER
BUNK A / C
BUNK BLOWER-HIGH SPEED
BUNK & OVERHEAD SPEED
BUNK BLOWER-HIGH SPEED
P382
236514J381
E F DCB AJ383
1234P383
21
J382
7810
S381
S385
S390
P381-1
R
K
C
J
P309
E A C B F
J388-3
F
B
C
A
E
J291-1
F
B
C
A
E
P50
E
A
C
B
F
SH 42 , REFDES S42, NODE 1 SH 42 , REFDES P49, NODE 3
S105-1
SH 42 , REFDES K5 / K13, NODE 85-1
P92-5
7
J298-5
7
SH 12 , REFDES F2A-1, NODE 2
SH 35 , REFDES S105-2 , NODE 1
SH 24 , REFDES J298-3 , NODE 7
4 5 6
1 2
3
Schmetic - 379 model family electrical P94-6023 C 43

44. SLEEPER LOAD CENTER
ORN1235-2
WHT1130-51
RED1210-8
RED1210-2
ORN7300-20
RED1210-6
RED1210-0
WHT1130-26
P341-SLPR
PWR / GND
PASS THRU
ORN6120-3
ORN7300-0
RED2613-2
RED6420-1
RED6930-1
RED6953-1
ORN6100-0
GRA2941-3
YEL2941-8
YEL2944-0
YEL7260-0
ORN7300-9
J342-LOAD
CENTER
DISCONNECT
WHT1130-27
WHT1130-78
WHT1130-92
GRA7260-0
RED6954-1
RED2941-2
RED2941-1
RED2941-3
RED1210-4
WHT1130-90
T341-SLPR
GROUND
ORN6120-2
WHT1130-25
RED6120-0
RED1210-3
J341-AUDIO
SYSTEM
ORN1235-0
ORN1235-1
RED1210-9
RED1210-1
RED1210-7
RED1210-5
YEL2945-0
RED2941-0
WHT1130-50
SWITCHED POWER
BATTERY POWER
BATTERY POWER
BATTERY POWER
LIGHTING BATTERY POWER
BATTERY POWER
LOADLIGHT 2 SIGNAL
LOADLIGHT 3
LOADLIGHT 3 SIGNAL
LOADLIGHT 2
ACC RELAY CONTROL
LOADLIGHT 1 SIGNAL
LOADLIGHT 1
A / C BLOWER RELAY
A / C CONTROL
A / C BLOWER MOTOR
GRA2945-2
GRA2944-3
ORN6120-0
S343
S347
S341
J341
C
D
B
A
J342
C
K
R
N
M
J
A
L
P
S
D
E
G
H
F
B
P341
4
3
85-1 86-1
30-1
87A-1
87-1
85-2 86-2
30-2
87A-2
87-2
85-3 86-3
30-3
87A-3
87-3
85-4 86-4
30-4
87A-4
87-4
LOAD LIGHT 2
LOAD LIGHT 1
LOAD LIGHT 3
A / C BLOWER
SLC
15
21
22
23
24
16
17
18
27
33
34
28
35
36
37
25
26
20
31
30
29
19
SPARE
BAT
SPARE
SWITCHED
SPARE
ACCESSORY
ACCESSORY POWER
BUSS
32
38
ACCESSORY
UNUSED
30-6
85-6
87A-6
87-6
86-6
30-5
85-5
87A-5
87-5
86-5
T341
1
Schematic - 379 Model Family ElectricalP94-6023C44

45. WHT1130
WHT1130
PWR
DIST CTR
CAB
GROUND
SLPR PWR
SUPPLY
SLEEPER POWER SUPPLY HARNESS
MATING CONNECTOR: P341
SLPR
PWR / GND
PASS THRU
SEE SH 44
RED1210
RED1210
50 AMP
T362
1
T361
1
J361
1
2
5
4
3
6
Schematic - 379 Model Family ElectricalP94-6023C45

46. NAMUX
A-PANEL
CVSG
TELLTALE
SPARE 6
ALARM
1A
ALARM
1B
ALARM
1C
ALARM 2
PRESSURE
TRANSDUCER
PRIMARY AIR
PRESSURE
TRANSDUCER
SECONDARY AIR
PRESSURE
TRANSDUCER
APPLICATION AIR
B-PANEL
CVSG
GAUGE
CLUSTER
FBO INST.
LIGHTING
TELLTALE
SPARE 5
TELLTALE
SPARE 4
TELLTALE
SPARE 3
TELLTALE
SPARE 2
TELLTALE
SPARE 1
BRN4400-1
BRN4401-1
BRN4402-1
BRN4403-1
BRN4376-0
BRN4375-0
BRN4374-0
BRN4373-0
BRN4372-0
BRN4371-0
ORN4220-0
ORN4220-1
DIAGNOSTIC DATALINK
( J1587 AND J1939 )
GRN0811-5
J1587
DATA LINK
PRP0831-0
GRN0831-0
WHT1500-4
VIO0862-0
VIO0862-2
VIO0862-3
TRANSMISSION
J1939 OR
TERMINATING
RESISTER
BRN4393-0
BRN4391-0
BRN4364-0
YEL2121-7
YEL2640-11
BRN4392-2
YEL2311-10
YEL0811-5
YEL2312-10
BRN4403-1
BRN4376-0
BRN4375-0
BRN4374-0
BRN4373-0
BRN4372-0
BRN4371-0
BRN4391-0
BRN4393-0
BRN4364-0
YEL2121-7
YEL2640-11
BRN4392-2
YEL2311-10
YEL2312-10
GRN4140-6
ICU - CONNECTOR 3
( 52-WAY )
ICU - CONNECTOR
( 40-WAY )
GRN4140-0
ALARM 1A
ALARM 1B
ALARM IC
ALARM 2
EDITABLE TELLTALE 6
EDITABLE TELLTALE 5
EDITABLE TELLTALE 4
EDITABLE TELLTALE 3
EDITABLE TELLTALE 2
EDITABLE TELLTALE 1
SUSPENSION DUMP
ICAN H
ICAN L
IGNITION POWER
FIFTH WHEEL
INTERAXLE LOCK
HIGH BEAM ACTIVE
DOOR JAMB
PARK BRAKE
TRAILER ABS TELLTALE
ACCESSORY POWER
DASH LIGHT INPUT
J1939 DATA LINK +
J1939 DATA LINK -
LEFT TURN LAMP
RIGHT TURN LAMP
ANALOG RETURN
OUTSIDE AIR TEMP
AIR FILTER RESTRICTION
FUEL LEVEL 1
AXLE TEMP 1
AXLE TEMP 2
FUEL LEVEL 2
AUX XMSN OIL TEMP
KLINE
XSMN OIL TEMP
AMMETER
PYROMETER
DIMMER
PWR SUPPLY SENSOR +5V
APPLICATION AIR
SECONDARY AIR
CHASSIS INSTR RETURN
PRIMARY AIR
CVSG RETURN
CVSG DATA
DASH ILLUMINATION 2
ICU GROUND
ICU POWER
DASH ILLUMINATION 1
CVSG POWER
BRN2620-0
BRN2620-0
RED1930-0
RED1930-1
RED1930-2
BLK4510-3
WHT4210-20
ORN0770-22
BRN4587-0
BRN4587-0
ORN0770-22
BLU4526-1
BLU4526-1
GRN4140-10
BLU4525-2
BLU4525-2
WHT1500-106 WHT1500-107
MAIN GROUND
WHT1500-108
RED4100
RED4100
ORN4230
ORN4230
ORN0800
BLU4527-0BLU4527-0
GRN4140-5
BRN2622-64
TRACTOR ABS LTBRN5112-1
BRN5112-1
YEL0813-1
GRN0813-4
BRN4312-5
BRN4311-6
BLU4585-3
RED1930-9
PRP0831-19
BLU4522-2
BLU4522-2
GRN4140-35
BLU4585-3
GRN4140-37
GRN4140-38
BLU4529-2
BLU4529-2
GRN0831-19
BLU4553-1
BLU4553-1
BRN9920-1
BRN9920-1
STOP ENGINE
CHECK ENGINE
PRP0831-1
GRN0831-1
BLU4517-0
BLU4517-0
RED1930-6
BLK4510-5
YEL0810-2
GRN0810-2
GRN0810-1
YEL0810-1
BLU4513-0
BRN4581-6
AIR FILTER
RESTRICTION
FUEL LEVEL
ENGLISH
FUEL LEVEL
METRIC
BLU4513-1
BRN4582-0
BRN4582-3
BRN4582-2
HAZARD INPUT RED0712-8
YEL0812-10
GRN0812-10
YEL0812-10
GRN0812-10
ICU - CONNECTOR 1
BRN2622-35
BRN2622-33
BRN2622-35
BRN2622-33
WHT4210-1
RED4210
RED4210
RED4100-6
BLK4510-2
BLU4515-1
BLU4515-1
BLU4512-1
BLU4512-1
BLK4510-1
BLU4511-1
BLU4511-1
BLK4100-0
BLU4120-0
BLK4100-2
BLU4120-7
RED4100-2
BLU4120-1
RED4100-1
BLK4100-1
PTO OIL
FUEL FILTER RESTRICTION
AUX TRANS OIL TEMP # 3
GENERAL OIL TEMP
BRAKESAVER OIL TEMP
TRANSFER CASE OIL TEMP
BLK4510-4
RED1930-8
BRN2622-36
BRN2622-34
BRN4400-1
BRN4401-1
BRN4402-1
CHASSIS
FIREWALL
VIO0862-4
VIO0862-4
YEL2422-21
ORN4220-4
YEL2422-21
BLU4539-30
GRN4140-55
BLU4538-10
BLU4537-10
BLU4536-10
BLU4534-10
GRN4140-57
GRN4140-58
RED1930-20
BLU4518-20
BRN2622-110
ALT WARNING
LIGHT
J31
26
24
20
19
11
3
1
5
23
9
21
4
22
13
18
17
12
10
16
25
8
7
2
6
15
14
J27
9
8
38
37
5
3
14
7
2
6
11
12
1
35
34
27
19
20
21
22
23
24
13
31
30
29
28
15
16
4
J41
8
7
3
2
5
1
P65
2 3 4 1
P52
1P53
1P54
1P55
1P56
1
P67
A B CP68
B C AP69
B C A P66
2 3 4 1
P64
BAC P63
14131082314 P62
AB P57
1P58
1P59
1P60
1P61
1
S100
S69
J14
D
C
B
J
A
F
G
S90
J13
A B
S70
S71
S4-1
S85-1
P34
2 1
J34
1
2
SH 50, REFDES J26 , NODE B SH 50, REFDES J22 , NODE B SH 50 , REFDES J23 , NODE B SH 17 , REFDES S9, NODE 1 SH 24, REFDES S16, NODE 1 SH 53, REFDES S13 , NODE 1 SH 14 , REFDES S19, NODE 1 SH 14 , REFDES S20, NODE 1
S79
SH 51 , REFDES J2-5 , NODE E2 SH 47 , REFDES P31, NODE 6
S60
S61
S84
S83
S82
S86
S98
SH 54 , REFDES J2-6 , NODE E3 SH 54 , REFDES J2-6 , NODE E2 SH 54 , REFDES J2-6 , NODE D2
S21-8
S41-10
T5-5
1
SH 10 , REFDES F1A-5, NODE 2 SH 12 , REFDES F1A-1, NODE 2
SH 13 , REFDES F2A , NODE 2
SH 49 , REFDES J9 , NODE A SH 49, REFDES J9 , NODE B SH 47 , REFDES S56 , NODE 1
SH 67 , REFDES S116 , NODE 1
SH 67 , REFDES S67 , NODE 1
SH 67 , REFDES S68 , NODE 1
SH 74 , REFDES J50-6 , NODE 43 SH 74 , REFDES J50-6 , NODE 42
SH 74 , REFDES J50-6 , NODE 29 SH 74 , REFDES J50-6 , NODE 28SH 74 , REFDES J50-6 , NODE 2 SH 74 , REFDES J50-6 , NODE 26 SH 74 , REFDES J50-6 , NODE 25 SH 74 , REFDES J50-6 , NODE 35 SH 74 , REFDES J50-6 , NODE 24 SH 74 , REFDES J50-6 , NODE 36SH 74 , REFDES J50-6 , NODE 3 SH 59 , REFDES J2-7 , NODE D1
SH 73 , REFDES J1-11, NODE E3
P72
C B A
S65
SH 51 , REFDES P80 , NODE 2B
J42
1 J53
1
S64
SH 51 , REFDES P80, NODE 5B
SH 14 , REFDES S66, NODE 1
SH 10 , REFDES F6A-5 , NODE 2
J2-10
C2
SH 16 , REFDES S89 , NODE 1
SH 11, REFDES F7A-4 , NODE 1
SH 89, REFDES J2-13 , NODE E6
SH 89 , REFDES J2-13 , NODE E2
SH 89, REFDES J2-13 , NODE F7 SH 89, REFDES J2-13 , NODE C5 SH 89, REFDES J2-13 , NODE G7 SH 89, REFDES J2-13 , NODE E4
SH 89 , REFDES J2-13 , NODE B7 SH 57 , REFDES J2-11, NODE E2 SH 57 , REFDES J2-11, NODE G1
SH 57, REFDES J2-11, NODE D3
SH 25, REFDES , NODE
Schematic - 379 Model Family ElectricalP94-6023C46

47. BACK-LIGHTING ( +12 VOLTS ) AND PANEL LAMPS DIMMER
BRN2620-0
B-PANEL
CVSG
ICU
CONNECTOR 1
BRN2622-41
BRN2622-40
BRN2622-44
BRN2622BRN2622BRN2622 BRN2622BRN2622
BRN2622-45
BRN2622BRN2622BRN2622
BRN2622-47
BRN2622
DASH ILLUMINATION 2
ICU GROUND
ICU POWER
DASH ILLUMINATION 1
CVSG POWER
CVSG RETURN
CVSG DATA
BRN2622-49
GAUGE
CLUSTER
WHT4210-2
WHT4210-5
BRN2622-49
WHT1500-260
MAIN
GROUND
WHT1500-261
BRN2622
WHT1500-109 WHT1500-110 WHT1500-111
WHT1500-112
MARKER LAMP
SWITCH
HEADLAMP
SWITCH
AD / LOADLIGHT
SWITCH
FOG / DR
SWITCH
5TH WHEEL
SWITCH
SUSPENSION
DUMP VALVE
SWITCH
DIFF LOCK
SWITCH
SPARE
ROCKER
SWITCH
HAZARD
SWITCH
CLOCK RADIO
BRN2622
BRN2622-51
BRN2622-50
BUNK
SWITCH
LH DOOR
LOCK
SWITCH
RH DOOR
LOCK
SWITCH
BRN2622-55 BRN2622-56
BRN2622-57
ICU
CONNECTOR 3
( 52-WAY )
A-PANEL
CVSG
RED4100-3
RED4100-4
BLU4120-3
BLK4100-4
BLK4100-3
RH WINDOW
POWER
SWITCH
LH WINDOW
POWER
SWITCH
BRN2622-43
CIGAR
LIGHTER
RED4210-1
BRN2622-64
FUEL LEVEL
SWITCH
HVAC
CONTROL
MODULE
CRUISE CONTROL
SET / RESUME
SWITCH
BRN2622
CRUISE CONTROL
ON / OFF
BRN2622
ABS ATC
BRN2622-78
ABS OFF
ROAD BRN2622-73
BRN2622-54
BRN2622-53
BRN2622-52
RED4210-1
BRN2622-81
BRN2622-82
DIMMER
BRN2622-83
BRN2622-83
CVSG RETURN
CVSG DATA
CVSG POWER
DASH ILLUMINATION
CVSG POWER
CVSG DATA
CVSG RETURN
WHT1500-262
ICU
CONNECTOR 4
( 40-WAY )
IGNITION POWER
ICAN H
ICAN L
ORN4220-3
RED4100-8
BLU4120-4
BLU4120-4
BLK4100-3
BLU4100-5
BLU4120-5
BRN2622-46
RED4100-5
BRN2622-58
YEL0812-20
GRN0812-20
YEL0812-20
GRN0812-20
ORN4220-2
BRN2622-64
WHT4210-4
WHT4210-4
RED4100-8
IGNITION PWR
CLUSTER PWR
ICAN H
ICAN L
ICU GROUND
ILLUMINATION CONTROLLED
VIA ICAN BUS
MECHANICAL GAUGES ILLUMINATION
CONTROLLED VIA ( BRN2622 ) CKT
ELECTRICAL GAUGES ILLUMINATION
CONTROLLED VIA CVSG DATA BUS
NOTE:
NOTE:
ILLUMINATION CONTROLLED
VIA CVSG DATA BUS
NOTE:
BRN2620-1
BRN2620-1
BRN2620-0
FBO INST.
GROUND
( FURNISHED BY OWNER ( FBO )
GROUND SPLICE PACK )
WHT0780-28
ORN4220
BRN2622-164 BRN2622-164
DIMMER
FBO INST.
LIGHTING
( FURNISHED BY OWNER ( FBO )
INSTRUMENT LIGHTING )
DASH ILLUMINATION BRN2622-103
ENGINE
BRAKE
ON / OFF
SWITCH
ENGINE BRAKE
RANGE
SELECT
SWITCH
CRUISE
CONTROL
SHIFT
LEVER
BRN2622-122
BRN2622-120
BRN2622-109
BRN2622-121
BRN2622-109
BRN2622
BRN2622BRN2622
BRN2622
P31
8
7
4
6
SH 46 , REFDES J31, NODE 5
HAZARD
9
J41-1
1
7
2
5
8
P64-1
BAC
P66-1
2
4
1
3
CLOCK
9
MARKER LAMP
9
HEADLAMP
9
LOADLIGHT
9
FOG / DR
9
FUEL
9
BUNK
9
CIGAR
9
S56
5 T H WHEEL
9
SUSP DUMP
9
DIFF LOCK
9
SPARE
9
S45-8
S39-1 S25-1
J31-1
14
15
5
P63-1
310821
S98-1
S10
T5-23
1
S6-19
RADIO
9
S4-14
S21-17
S41-26
WINDOW
9
WINDOW
9
S15-1
S583-1
DOOR LOCK
9
DOOR LOCK
9
S572-1
S86-1
P65-1
2
3
1
4
S82-1
S83-1
S84-1
SH 10 , REFDES F6A-5 , NODE 2
SH 46 , REFDES S86 , NODE 1
HVAC
9
CRUISE
9
CRUISE
9
ABS
9
ABS
9
S444-2
J27-1
1
35
34
S100-1
SH 10 , REFDES F1A-5 , NODE 2
P36
BAC
SH 11, REFDES F7A-4 , NODE 1 SH 25 , REFDES S56-2 , NODE 1
ENGINE
9
ENGINE
9
S91
CRUISE
9
LED
R1
R2
9
1
7
4
2A
2B
3
10
6
8Schematic - 379 Model Family ElectricalP94-6023C47

48. BACK-LIGHTING NEGATIVE LINKS ( GROUND )
WHT1500-114
WHT6950-65
WHT1500-115 WHT5100-116 WHT5100-117
WHT1500-3
WHT1500-120
WHT1500-119
MAIN
GROUND
WHT5100-118
HAZARD
SWITCH
CIGAR
LIGHTER
RADIO
FOG / DR
SWITCH
LH DOOR
LOCK
SWITCH
RH DOOR
LOCK
SWITCH
LH WINDOW
POWER
SWITCH
RH WINDOW
POWER
SWITCH
HEADLAMP
SWITCH
AD / LOADLIGHT
SWITCH
CLOCK BUNK
SWITCH
WHT1500-113
5TH WHEEL
SWITCH
SUSPENSION
DUMP VALVE
SWITCH
DIFF LOCK
SWITCH
SPARE
ROCKER
SWITCH
WHT1500WHT1500 WHT1500 WHT1500
WHT6910-9
WHT1500-116
WHT6910-8
WHT1500-117
FUEL LEVEL
SWITCH
HVAC
CONTROL
MODULE
CLEARANCE
LIGHT
SWITCH
CRUISE CONTROL
SET / RESUME
SWITCH
CRUISE CONTROL
ON / OFF
WHT5100-66
WHT5100-65
WHT5100-67 WHT5100-79
WHT6910-10
WHT6910-11
ABS OFF
ROAD
ABS ATC
WHT5100
WHT6100-321
WHT3110-82
WHT1500-121
WHT1500-122
WHT1500-118
WHT1500-263
WHT7110-8
WHT7110-9
WHT1500-197 WHT1500-198
ABS DIAGNOSTIC
GROUND
WHT5100-15
WHT3110-83
WHT3110-84
ENGINE BRAKE
ON / OFF
SWITCH
ENGINE BRAKE
RANGE SELECT
SWITCH
WHT3110-86
WHT3110-85
HAZARD
9
CIGAR
9
RADIO
9
CLEARANCE
9
HEADLAMP
9
AD / LOADLAMP
9
FUEL
9
FOF /DR
9
DOOR LOCK
9
DOOR LOCK
9
WINDOW
9
WINDOW
9
CLOCK
9
BUNK
9
S17-5
S6-12
S4-15
S41-28
S21-18
S46-6
T5-25
1
5 T H WHEEL
9
SUSP DUMP
9
DIFF LOCK
9
SPARE
9
S582-1
S571-1
HVAC
9
CRUISE
9
CRUISE
9
ABS
9
ABS
9
S445-2
S441-2
S21-26
S41-36
P84-1
1
S34
ENGINE
9
ENGINE
9
Schematic - 379 Model Family ElectricalP94-6023C48

49. OUTSIDE AIR TEMPERATURE
OUTSIDE
AIR TEMP
( + ) ( - )
BLU4527-0
GRN4140-5
SENSOR CONNECTOR ROUTED
FROM NAMUX ICU
TO LH MIRROR
NAMUX ANALOG RETURN
OUTSIDE AIR TEMP 1
J9
AB
SH 46, REFDES J31, NODE 16 SH 46 , REFDES S79, NODE 1
Schematic - 379 Model Family ElectricalP94-6023C49

50. FIFTH WHEEL / DIFF LOCK / SUSPENSION DUMP VALVE / SPARE ROCKER SWITCHES
5 TH WHEEL
WHT1500-126
BRN2622-22
DIFF LOCK
ORN3600-3
BRN2622-23
WHT1500-128
SUSPENSION
DUMP VALVE
ORN3600-2
BRN2622-24
SPARE
ROCKER
WHT1500-129
ORN3600-4
BRN2622-25
BRN2622-26
BRN4393-0
BRN4391-0
BRN4364-0
FIFTH WHEEL LIGHT
GROUND
VALVE SWITCHES PWR
SWITCH BACKLIGHTING
VALVE SWITCHES PWR
SUSPENSION DUMP
GROUND
SWITCH BACKLIGHTING
INTERAXLE DIFF LOCKOUT WARNING
SWITCH BACKLIGHTING
VALVE SWITCHES PWR
GROUND
GROUND
VALVE SWITCHES PWR
SWITCH BACKLIGHTING
BRN2622-37
ORN3600
WHT1500-127
WHT1500-135
WHT1500-134 WHT1500-133 WHT1500-132 WHT1500-131
MAIN
GROUND
ORN3600-1
SEE
SH 47
SEE
SH 47
BRN2622-72
BRN4391-0
BRN4393-0
BRN2622-65
BRN2622-76
J22
BACD
S17-3
S40
S39
J23
B DCA
J26
CBADP41
321
S45-6
SH 46 , REFDES J27 , NODE 27SH 46 , REFDES J27 , NODE 12 SH 46 , REFDES J27 , NODE 11
S56-1
SH 11 , REFDES F5A-7 , NODE 2
S6-11S4-12
S21-15S41-23
T5-20
1
SH 39 , REFDES S25 , NODE 1 SH 74 , REFDES P77 , NODE J SH 74 , REFDES P12 , NODE F
Schematic - 379 Model Family ElectrialP94-6023C50

51. FUEL LEVEL
FUEL LEVEL SWITCH
CAB CHASSIS
FIREWALL CONN
FIREWALL
PASSTHROUGH
CONNECTOR
RH FUEL
TANK
LH FUEL
TANK
BLU4582-1
BLU4582-1
GRN4140-2
GRN4140-3
BLU4581-6
BLU4581-6
GRN4140-4 GRN4140-0
FIREWALL
WHT1500-137 WHT1500-138 MAIN
GROUND
SEE
SH 47
BRN4581-6
BRN4581-6
BLU4581-3
BLU4581-4
WHT1500-380
BRN2622-29
BLU4582-3
BLU4582-2
BLU4582-4
LEFT FUEL
SENSOR
RIGHT FUEL
SENSOR
BLU4582-5
BLU4581-1
BLU4581-2
BLU4581-5
BLU4582-0
BLU4582-0
BRN4582-2
BRN4582-2
GRN4140-0
BLU4581-1
BRN2622-163
FUEL LEVEL
ENGLISH
FUEL LEVEL
METRIC
BRN4581-7
BRN4581-8
BRN4582-4
BRN4582-5
LEFT HAND FUEL
NAMUX ANALOG RETURN
RIGHT HAND FUEL
NAMUX ANALOG RETURN
S46-5
S45-7
P521
E2
A2
C3
J2-5
C3
A2
E2
J521
BA
J529
AB
S523
SH 46 , REFDES S79 , NODE 1
S41-2
T5-3
1
P80
2B41789365B10
SH 46 , REFDES S65 , NODE 1
S63
S62
P86
1P85
1
S44
S50
SH 46 , REFDES S64 , NODE 1 SH 25 , REFDES S56-2 , NODE 1
J42-1
1 J53-1
1
S65-2
S64-2
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
Schematic - 379 Model Family Electrical P94-6023C51

52. FUEL FILTER - ACCESSORY POWER
ACCESSORY
POWER
( FUEL FILTER )
ORN1229-16
ORN1229-17 ORN1229-18 ORN1229-19
SWITCHED
POWER
ORN3100-20
ORN1229-21
SEE ENGINE FIREWALL
BULKHEAD MATING CONNECTOR
P103 ( PIN 21 ) FOR ALL ENGINES
MATING CONNECTOR:
FIREWALL
CHASSIS
FIREWALL
CONNECTOR
CAB
FIREWALL
CONNECTOR
CAB
FIREWALL
BULKHEAD
CONNECTOR
( SEE SH 75-85 )
ORN3100-10
P526
1
J526
1
J2-9
G2
P521-7
G2
S524-2
S11-2
SH 11 , REFDES F2A-4 , NODE 2
J50-5
1
SH 18 , REFDES S524 , NODE 1
SH 74 , REFDES P77 , NODE D
Schematic - 379 Model Family ElectricalP94-6023C52

53. PARK BRAKE
MFTS
MODULE
12 WAY
BRN4392-1
BRN4392-2
PARK BRAKE
WHT1500-85 WHT1500-86 WHT1500-87 WHT1500-88 WHT1500-89
MAIN
GROUND
PARK BRAKE
PRESSURE SW
WHT1500-84
BRN4392-0
NOTE:
MULTI-FUNCTION TURN STALK ( MFTS )
PARK
SIGNAL
BRN4392-3
S17-4
S13
J12-4
5
SH 46 , REFDES J27 , NODE 7
S6-9 S4-3 S21-9 S41-11
T5-6
1
P22
DCP1
1
Schematic - 379 Model Family ElectricalP94-6023C53

54. FORWARD AND REAR DRIVER AXLE TEMP
FIREWALL
PASSTHROUGH
CONNECTOR
CAB
CHASSIS
FIREWALL
CONNECTOR
FORWARD
DRIVER
AXLE TEMP
REAR
DRIVER
AXLE TEMP
GRN4140-8 GRN4140-9
BLU4526-0
GRN4140-7
BLU4525-0
BLU4525-0
BLU4526-0
BLU4526-1
GRN4140-10
BLU4525-2
FIREWALL
NAMUX ANALOG RETURN
TEMP GAUGE
NAMUX ANALOG RETURN
TEMP GAUGE
J2-6
D2
E2
E3
P521-1
E3
E2
D2
P524
AB
J524B A
P531
B A
J531AB
S523-1
SH 46 , REFDES J31, NODE 17 SH 46 , REFDES S79, NODE 1 SH 46 , REFDES J31, NODE 18
Schematic - 379 Model Family ElectricalP94-6023C54

55. VORAD
J1939
DATA LINK
J1587
DATA LINK
VORAD
CPU
CONNECTOR
( V1 )
VORAD
DRIVER
DISPLAY
UNIT
VORAD RIGHT
SIDE SENSOR
DISPLAY
VORAD OPTIONAL
SENSOR
DISPLAY
VORAD
RIGHT
SIDE
SENSOR
VORAD
FRONT
ANTENNA
VORAD
OPTIONAL
SIDE
SENSOR
CPU POWER
CPU GROUND
YEL2415-12
YEL2311-11
YEL2312-11
PRP0831-2
GRN0831-3
PRP0831-2
GRN0831-3
PRP0813-1
GRN0813-1
PRP0813-1
GRN0813-1
ORN5500-1
WHT5500-1
ORN5591-1
GRN5591-1
ORN5591-1
GRN5591-1
PRP5591-1
BLK5591-1
ORN5500-1
WHT5500-1
ORN5561-1
WHT5561-1
ORN5561-1
WHT5561-1
PRP5561-1
BLK5561-1
PRP5561-1
BLK5561-1
BLK5562-1BLK5562-2
BLU5562-1BLU5562-1
ORN5562-1ORN5562-2
GRN5562-1
BLK5562-3
ORN5562-3
GRN5563-1
BLK5563-3
BLK5563-2
ORN5563-3
ORN5563-2 ORN5563-1
BLK5563-1
BLU5563-1
GRN5562-1
BLU5563-1
GRN5563-1
BLK5562
BLU5562
BLK5563
BLU5563
ORN5563
ORN5561
WHT5561
PRP5561
BLK5561
ORN5562
ORN5561
WHT5561
PRP5561
BLK5561
OPTL SENSOR DISPLAY
SIGNAL
OPTL SENSOR / DISPLAY PWR
OPTL SENSOR SIGNAL
OPTL SENSOR / DISPLAY GND RT SENSOR DISPLAY SIG
RT SENSOR / DISPLAY PWR
RT SENSOR SIGNAL
RT SENSOR DISPLAY GND
FR ANTENNA NEG BUS
FR ANTENNA POS BUS
FR ANTENNA GND
FR ANTENNA PWR
DRIVER DISP NEG BUS
DRIVER DISP POS BUS
DRIVER DISPLAY RETURN
DRIVER DISPLAY PWR
CPU GROUND
CPU POWER
VORAD BRAKE INPUT
LFT TURN SIGNAL INPUT
RT TURN SIGNAL INPUT
J1939 DATALINK SHIELD
J1939 DATALINK ( - )
J1939 DATALINK ( + )
J1587 DATALINK ( - )
J1587 DATALINK ( + )
CAB
FIREWALL
BULKHEAD
CONN
CHASSIS
FIREWALL
CONN
FIREWALL
PRP5591-1
BLK5591-1
P593
BAP594
21
J591
D16
D12
D13
D14
D11
C16
C12
C13
C14
D2
D1
C6
C5
C4
C3
D10
C11
C10
D6
D5
D4
D3
C2
C1
C9
D15
C15
D9
D8
D7
C8
C7
P591
DCB A
J592
21
P596
1 2 3 4P597
1 2 3 4
P592
A
B
C
D
E
F
G
H
J
K
J601
K
J
H
G
F
E
D
C
B
A
J602
4
3
2
1
J604
A
B
C
J603
A
B
C
SH 15 , REFDES P595, NODE A SH 15 , REFDES P595, NODE B SH 15, REFDES P595, NODE C
S591
S592
S593
S594
Schematic - 379 Model Family ElectricalP94-6023C55

56. AIR
DRYER
WHT2400-1WHT2400
ORN1229-10 ORN1229-11ORN1229-12
ORN3100-22
ORN1229-13
SWITCHED
POWER
WHT2400-2 WHT1500-139 WHT1500-140
MAIN
GROUND
CAB
FIREWALL
CONNECTOR
FIREWALL
AIR DRYER
ORN1229-14
SEE ENGINE FIREWALL
BULKHEAD MATING CONNECTOR
P103 ( PIN 21 ) FOR ALL ENGINES
MATING CONNECTOR:
ORN3100-55
CAB
FIREWALL
BULKHEAD
CONNECTOR
CHASSIS
FIREWALL
CONNECTOR
ORN3100-9
( SEE SH 75-85 )
P527
A
B
J527
B
A
J2-8
F2
G2
P521-6
G2
F2
S524-4
S521-4
S11-1
J50-4
1
SH 11, REFDES F2A-4 , NODE 2
S21-21
S41-31
T5-28
1
SH 18 , REFDES S524 , NODE 1
SH 74 , REFDES J50-6 , NODE 1 SH 74 , REFDES P12 , NODE H
Schematic - 379 Model Family ElectricalP94-6023C56

57. FUEL FILTER RESTRICTION
FIREWALL
PASSTHROUGH
CONNECTOR
GRN4140-50 GRN4140-49
RED1930-15
BLU4518-10
RED1930-15
BLU4518-10
FIREWALL
FUEL FILTER
RESTRICTION
GRN4140-58
RED1930-20
BLU4518-20
CAB
CHASSIS
FIREWALL
NAMUX ANALOG RETURN
NAMUX POWER SUPPLY +5V
FUEL FILTER RESTRICTION
J534
A
B
C
P534
C
B
A
J2-11
E2
G1
D3
P521-8
D3
G1
E2
S522-1
SH 46 , REFDES S79 , NODE 1 SH 46 , REFDES S60 , NODE 1 SH 46 , REFDES J31 , NODE 11
Schematic - 379 Model Family Electrical P94-6023C57

58. TIRE PRESSURE CONTROL SYSTEM ( TPCS )
BRN2622-160
BRN2622-161
ORN1228-10
BLU0854-0
GRA0854-0
ORN1228-20
ORN1228-3
GRA0854-0
BLU0854-0
WHT2400-16
WHT2400-15
CAB
FEEDTHROUGH
BACKLIGHTING
TPCS
SWITCHED
POWER
J1587
DATA LINK
CONFIGURATION
CONNECTION
OPERATOR
CONTROL
PANEL
PRESSURE
SWITCH
SPEED
SENSOR
GROUND
ECU
J1939
DIAGNOSTIC
CONNECTOR
PRESSURE
TRANSDUCER
PNEUMATIC
CONTROLLER
( PCU )
FIREWALL
CONNECTOR
660, WHITE
661, YELLOW
662 , GREEN
718 , WHITE
717 , WHITE
719 , WHITE
714 , WHITE
715 , WHITE
711 , WHITE
716 , WHITE
713 , WHITE
712 , WHITE
239-2 , BLACK
239-4 , BLACK
720 , WHITE
720 , WHITE
239-3 , BLACK
239-5 , BLACK
239 , BLACK
649 , WHITE
650 , WHITE
417 , PURPLE
418 , WHITE
722 , WHITE
721, WHITE
226 , WHITE
253 , WHITE
660 , WHITE
661, YELLOW
662 , GREEN
718 , WHITE
717 , WHITE
719 , WHITE
714 , WHITE
715 , WHITE
711, WHITE
716 , WHITE
713 , WHITE
712 , WHITE
649 , WHITE
650 , WHITE
417 , PURPLE
418 , WHITE
722 , WHITE
721, WHITE
226 , WHITE
253 , WHITE
239-6 , BLACK
239-1
,
BLACK
239-7
,
BLACK
198
,
WHITE
198, WHITE
197
,
WHITE
197, WHITE
CHASSIS CAB
BRN2622-162
ORN1228-11
WHT2400-17
GRN0854-1
PRP0854-1
PRP0854-1
GRN0854-1
GRN0831-55
PRP0831-55
GRN0831-55
PRP0831-55
CAB & CHASSIS
J623
D B C A
P622
B A
T621
1
J621
A
B
J
H
G
F
D
E
C
K
J622
6 5 7 8 10 9 1 2 3 4
P621
1
2
2F
3F
3G
1J
1K
1G
2G
2C
1C
3J
3K
2K
1E
1D
3B
2D
P1-1
2B
1B
3H
2H
1H
3C
2A
1A
CB A
P3-3
CA B
P2-2
1 T1-1
J CBEDGKHF A
P4-1
A B
P6-1
B A
P7-1
239
P5-1
C
A
B
D
E
F
G
H
J
K
1 T2-1
S622
S623
S621
Schematic - 379 Model Family Electrical P94-6023C58

59. AUX TRANSMISSION OIL TEMP
BLU4553-2
WHT2400-13 WHT2400-14
WHT1500-200 WHT1500-201
AUX XSMN
OIL TEMP
SEE NAMUX
SH 46
FIREWALL
MAIN
GROUND
CAB
FIREWALL
CONNECTOR
BLU4553-1
CHASSIS
FIREWALL
PASSTHROUGH
CONNECTOR
J2-7
F2
D1
P521-5
D1
F2
P525
A
B
J525
S21-20 S41-30
T5-27
1
SH 46 , REFDES J31, NODE 22
A
B
Schematic - 379 Model Family ElectricalP94-6023C59

60. EATON ULTRASHIFT TRANSMISSION
FIREWALL
DASH
LIGHTS
TO J1587
DATA LINK
CONN
DASH HARNESS
FIREWALL HARNESS
SHIFT PLATE
J1939
CONNECTION
SEE SK29124
TO
TRANSMISSION
WHT3310-45
BAT
NEG
RW3310-1
RW3310-2
WHT3310-45
BAT
POS
TO
TRANSMISSION
TRANSMISSION
HARNESS
TRANSMISSION POWER
SUPPLY HARNESS
AUTO
NEUTRAL
( OPTIONAL )
+12V UNSWITCHED
GND
+12V SWITCHED FROM SHIFT CONTROL
+12V UNSWITCHED
GND
+12V SWITCHED FROM SHIFT CONTROL
EPL SHIELD
EPL ( - )
EPL ( + )
BAT GND
+12V BAT
SEE SHEET 62 FOR
SHIFT TOWER HARNESS WITH
SHIFT LEVER CONTROL
START
ENABLE
RELAY
ENGINE
INTERRUPT
RELAY
PUSHBUTTON
CONTROL
MODULE
SHIFT TOWER HARNESS
WITH PUSHBUTTON CONTROLS
J1587 ( + )
J1587 ( - )
DASH LIGHT
+12V IGN POWER
START ENABLE RELAY
START RELAY, ENABLE
START ENABLE RELAY
SHIFT DISPLAY DATA
SHIFT DISPLAY CLOCK
SHIFT DISPLAY ( - )
AUTO NEUTRAL SIGNAL
ENGINE PWR INTERRUPT
DIAGNOSTIC FEEDBACK
+12V UNSWITCHED
GND
+12V SWITCHED
+12V UNSWITCHED
GND
+12V SWITCHED
EPL SHIELD
EPL ( - )
EPL ( + )
J1939 ( - )
J1939 ( + )
ORN1251-1
ORN1251-1
ENG PWR
INTERRUPT
ORN1250-7
ORN1250-8
ORN1250-6
BRN2622-42
BRN2622-42
XMSN
POWER
ORN0770-1
ORN0770-2
BLK3320-5
BLK3320-5
GRN3394-1
GRN3394-1
BRN3394-1
BRN3394-1
GRA3911-1
GRA3911-1
BLK3911-1
BLK3911-1
GRA3391-3
GRA3391-2
GRA3391-1
ORN1220-4
ORN1220-4
GRA3194-1
PRP3690-1
GRA3194-1
PRP3690-1
PRP0831-5
GRN0831-5
PRP0831-5
GRN0831-5
BRN2622-59BRN2622-59
ORN0770-5ORN0770-5
GRA3911-2GRA3911-2
GRA3391-4GRA3391-4
BLK3911-2BLK3911-2
GRN3320-2GRN3320-2
PRP3320-2PRP3320-2
BLK3320-7BLK3320-7
GRN3394-2GRN3394-2
GRA3194-2GRA3194-2
PRP3690-2PRP3690-2
YEL0812-1
GRN0812-1
YEL0812-1
GRN0812-1
IGNITION
ENGINE
RUN
PRP0831-10
GRN0831-10
PRP0831-10
GRN0831-10
BRN2622-60
ORN0770-4
GRA3911-3
BRN2622-60
ORN0770-4
GRA3911-3
GRA3391-5
BLK3911-3
GRN3320-3
GRA3391-5
BLK3911-3
GRN3320-3
PRP3320-3
BLK3320-6
GRN3394-3
BRN3394-2
GRA3194-3
PRP3690-3
PRP3320-3
BLK3320-6
GRN3394-3
BRN3394-2
GRA3194-3
PRP3690-3
YEL0812-2
GRN0812-2
YEL0812-2
GRN0812-2
RED3311-1
BLK3311-2
ORN3311-2
RED3311-2
RED3311-1
BLK3311-2
ORN3311-2
RED3311-2
BLK3311-1
ORN3311-1
BLK3311-1
ORN3311-1
GRN0856-0
PRP0856-0
GRN0856-0
PRP0856-0
RED3311-3
BLK3311-3
ORN3311-3
RED3311-4
RED3311-3
BLK3311-3
ORN3311-3
RED3311-4
BLK3311-4
ORN3311-4
GRN0856-1
PRP0856-1
GRN0856-1
PRP0856-1
BLK3311-4
ORN3311-4
SHIFT
DISPLAY
ORN0770-3
PRP0831-4
GRN0831-4
PRP0831-45
GRN0831-45
GRN0831-46
PRP0831-46
IGNITION
INTERRUPT
IGNITION
START
SWITCH
ULTRASHIFT
ECU
SHIELD-2 SHIELD-2
SHIELD-3
SHIELD-3
NOTE:
ENGINE POWER INTERRUPT
CIRCUITS ARE FOR
ULTRASHIFT TRANSMISSIONS
ONLY
P201
D
E
C
K
M
A
N
J
H
L
G
F
O
P
P209
1
P202
B
A
P207
1
P206
1
P205
30
87
86
87A
85
J201
1
J231
P
O
F
G
L
H
J
N
A
M
K
C
E
D
J232
D
E
C
K
M
A
N
J
H
L
G
F
O
P
P232
M
L
K
F
E
D
C
B
A
N
P
H
J
G
J1939
C B A
P231
B2
A2
C1
C2
C3
B1
A3
A1
E2
B3
E1
P233
B
A
30 AMP
FUSE LOCATED
IN BATTERY BOX
J233
1
J234
1
P210
87A 30 86 87 85
J202
1
86 87 87A
30 85
R11_c0
86
87
87A
30
85
R205
P220
2D
3D
1B
2B
2C
3B
1C
3A
2A
3C
2E
1E
3E
1A
2H
1H
3H
1K
3K
2K
1J
3J
2J
3F
2F
1F
1G
2G
3G
1D
J217
P
O
F
G
L
H
J
N
A
M
K
C
E
D
J222
G
J
H
P
N
A
B
C
D
E
F
K
L
M
P203
1
P208
1
P211
1
S215
S201
S202
P204
1
2
3
4
5
6
S203
S204
Schematic - 379 Model Family ElectricalP94-6023C60

61. FIREWALL
DASH
LIGHTS
TO J1587
DATA LINK
CONN
DASH HARNESS
FIREWALL HARNESS
SHIFT PLATE
J1939
CONNECTION
SEE SK29124
TO
TRANSMISSION
WHT3310-46
BAT
NEG
RW3310-11
RW3310-3
WHT3310-46
BAT
POS
TO
TRANSMISSION
TRANSMISSION
HARNESS
TRANSMISSION POWER
SUPPLY HARNESS
AUTO
NEUTRAL
( OPTIONAL )
+12V UNSWITCHED
GND
+12V SWITCHED FROM SHIFT CONTROL
+12V UNSWITCHED
GND
+12V SWITCHED FROM SHIFT CONTROL
EPL SHIELD
EPL ( - )
EPL ( + )
BAT GND
+12V BAT
SEE SHEET 62 FOR
SHIFT TOWER HARNESS WITH
SHIFT LEVER CONTROL
START
ENABLE
RELAY
PUSHBUTTON
CONTROL
MODULE
SHIFT TOWER HARNESS
WITH PUSHBUTTON CONTROLS
J1587 ( + )
J1587 ( - )
DASH LIGHT
+12V IGN POWER
START ENABLE RELAY
START RELAY, ENABLE
START ENABLE RELAY
SHIFT DISPLAY DATA
SHIFT DISPLAY CLOCK
SHIFT DISPLAY ( - )
AUTO NEUTRAL SIGNAL
+12V UNSWITCHED
GND
+12V SWITCHED
+12V UNSWITCHED
GND
+12V SWITCHED
EPL SHIELD
EPL ( - )
EPL ( + )
J1939 ( - )
J1939 ( + )
BRN2622-177
BRN2622-177
XMSN
POWER
ORN0770-68
ORN0770-78
BLK3320-54
BLK3320-54
GRN3394-19
GRN3394-19
BRN3394-19
BRN3394-19
GRA3911-18
GRA3911-18
BLK3911-56
BLK3911-56
GRA3391-33
GRA3391-7
GRA3391-19
ORN1220-19
ORN1220-19
PRP0831-54
GRN0831-54
PRP0831-54
GRN0831-54
BRN2622-107BRN2622-107
ORN0770-54ORN0770-54
GRA3911-11GRA3911-11
GRA3391-6GRA3391-6
BLK3911-19BLK3911-19
GRN3320-10GRN3320-10
PRP3320-10PRP3320-10
BLK3320-10BLK3320-10
GRN3394-10GRN3394-10
YEL0812-14
GRN0812-14
YEL0812-14
GRN0812-14
PRP0831-66
GRN0831-66
PRP0831-66
GRN0831-66
BRN2622-108
ORN0770-18
GRA3911-24
BRN2622-108
ORN0770-18
GRA3911-24
GRA3391-23
BLK3911-10
GRN3320-12
GRA3391-23
BLK3911-10
GRN3320-12
PRP3320-12
BLK3320-12
GRN3394-22
BRN3394-13
GRA3194-15
PRP3690-10
PRP3320-12
BLK3320-12
GRN3394-22
BRN3394-13
GRA3194-15
PRP3690-10
YEL0812-67
GRN0812-67
YEL0812-67
GRN0812-67
RED3311-12
BLK3311-12
ORN3311-15
RED3311-15
RED3311-12
BLK3311-12
ORN3311-15
RED3311-15
BLK3311-15
ORN3311-18
BLK3311-15
ORN3311-18
GRN0856-13
PRP0856-13
GRN0856-13
PRP0856-13
RED3311-7
BLK3311-10
ORN3311-11
RED3311-10
RED3311-7
BLK3311-10
ORN3311-11
RED3311-10
BLK3311-11
ORN3311-12
GRN0856-10
PRP0856-10
GRN0856-10
PRP0856-10
BLK3311-11
ORN3311-12
SHIFT
DISPLAY
ORN0770-79
PRP0831-57
GRN0831-57
PRP0831-68
GRN0831-68
GRN0831-58
PRP0831-58
IGNITION
INTERRUPT
IGNITION
START
SWITCH
AUTOSHIFT
ECU
SHIELD-5 SHIELD-5
SHIELD-4
SHIELD-4
EATON AUTOSHIFT TRANSMISSION
BRN3394-3
BRN3394-3AUTO NEUTRAL INPUT
P201-2
D
E
C
K
M
A
N
J
H
L
G
F
O
P
P209-2
1
P202-4
B
A
P207-2
1
P206-2
1
P205-2
30
87
86
87A
85
J201-2
1
J231-2
P
O
F
G
L
H
J
N
A
M
K
C
E
D
J232-2
D
E
C
K
M
A
N
J
H
L
G
F
O
P
P232-2
M
L
K
F
E
D
C
B
A
N
P
H
J
G
J1939-2
C B A
P231-2
B2
A2
C1
C2
C3
B1
A3
A1
E2
B3
E1
P233-2
B
A
30 AMP
FUSE LOCATED
IN BATTERY BOX
J233-2
1
J234-2
1
86
87
87A
30
85
R205-2
P220-2
2D
3D
1B
2B
2C
3B
1C
3A
2A
3C
2E
1E
3E
1A
2H
1H
3H
1K
3K
2K
1J
3J
2J
3F
2F
1F
1G
2G
3G
1D
J217-2
P
O
F
G
L
H
J
N
A
M
K
C
E
D
J222-2
G
J
H
P
N
A
B
C
D
E
F
K
L
M
P203-4
1
P208-2
1
S201-2
S202-2
P204-2
1
2
3
4
5
6
S203-2
S204-2
Schematic - 379 Model Family ElectricalP94-6023C61

62. EATON AUTOSHIFT AND ULTRASHIFT TRANSMISSIONS ( CONTINUED PREVIOUS SHEETS )
SHIFT
LEVER
TONE
GENERATOR
TO FIREWALL
HARNESS CONNECTOR
IN SHIFT PLATE
TRANSMISSION
CONTROL MODULE
TO TRANSMISSION
HARNESS CONNECTOR
IN SHIFT PLATE
SHIFT TOWER
HARNESS WITH SHIFT
LEVER CONTROLS
AUTOMATIC MODE
MANUAL MODE
GND
+12V SERVICE LIGHT
J1587 ( + )
J1587 ( - )
DASH LIGHT
+12V IGN POWER
START ENABLE RELAY COIL ( - )
START RELAY, ENABLE
START ENABLE RELAY COIL ( + )
SHIFT DISPLAY DATA
SHIFT DISPLAY CLOCK
SHIFT DISPLAY ( - )
AUTO NEUTRAL SIGNAL
ENGINE POWER INTERRUPT
DIAGNOSTIC FEEDBACK
+12V UNSWITCHED
GND
+12V SWITCHED TO XMSN ECU
+12V UNSWITCHED
GND
+12V SWITCHED TO XMSN ECU
EPL SHIELD
EPL ( - )
EPL ( + )
J1939 ( - )
J1939 ( + )
AUTOMATIC MODE
MANUAL MODE
GND
+12V SERVICE LT
+12V SWITCHED
GND
DASH LT
GND
+12V IGN POWER
J1587 ( - )
J1587 ( + )
BLK3320-4
BRN3320-4
BLK3320-4
BRN3320-4
BRN2622-61
BRN2622-62
738-1
737-1
738-1
737-1
ORN3311-47
ORN3311-7
BLK3311-47
BLK3311-7
BLK3311-8
ORN3311-10
ORN0770-7
GRN0831-11
GRN0831-12
PRP0831-11
PRP0831-12 PRP0831-13
GRN0831-13
BRN2622-63
ORN0770-6
GRA3911-4
GRA3911-45
GRA3911-4
GRA3911-45
BLK3911-4
GRN3320-4
PRP3320-4
BLK3320-8
GRN3394-4
GRA3194-4
PRP3690-4
BLK3911-4
GRN3320-4
PRP3320-4
BLK3320-8
GRN3394-4
GRA3194-4
PRP3690-4
RED3311-5
BLK3311-5
ORN3311-5
RED3311-6
BLK3311-6
ORN3311-6
RED3311-5
BLK3311-5
ORN3311-5
RED3311-6
SHIELD-1
SHIELD-1
GRN0856-2
PRP0856-2
GRN0856-2
PRP0856-2
YEL0812-46
GRN0812-46
YEL0812-46
GRN0812-46
P221-1
5
7
3
4
6
2
8
1
J216
2
3
1
4
P220-1
1D
2D
3D
2H
2B
2C
3B
1C
3A
2A
3C
2E
1E
3E
1A
1H
3H
1K
3K
2K
1J
3J
2J
3F
2F
1F
1G
2G
3G
1B
J217-1
P
O
G
L
H
J
N
A
M
K
C
E
D
J222-1
G
J
H
A
B
C
D
E
F
K
L
M
S206
S209
S208
S207
S205
S210
Schematic - 379 Model Family ElectricalP94-6023C62

63. MERITOR FREEDOMLINE TRANSMISSION
TRANSMISSION HARNESS CONNECTOR
( SUPPLED BY MERITOR )
FIREWALL
FREEDOMLINE
TRANSMISSION
CHASSIS
HARNESS
FREEDOMLINE
TRANSMISSION
CAB HARNESS
J1587 ( + )
J1587 ( - )
CRUISE CONTROL FUNCTION
SENSOR COMMON
SET
RESUME
PAUSE
PAUSE
SPEEDO
BACKUP LAMP
RELAY
XMSN
POWER
WHT3310-2
WHT3310-1
XMSN
POWER
ORN0770-10
ORN0770-9
ORN0770-8
GRN0831-6
PRP0831-6
GRN0831-7
PRP0831-7
GRN0831-8
PRP0831-8
WHT3310-3
BLU4586-1
BLU4586-1
ORN3320-1
BLK3320-1
BRN3320-1
GRA3320-1
ORN3320-2
BLK3320-2
BRN3320-2
GRA3320-2
DIFF
LOCK
GRA3610-1
GRN3115-1
GRA3162-1
GRA3163-1
BEE08
AEE08
ORN1229-7
ORN1229-8
ORN1229-9
YEL2960-2 YEL2960-2
WHT3310-4
WHT3310-5
WHT3310-6
ORN3311-8
ORN3311-8
GRN0831-9
PRP0831-9
PRP0831-9
GRN0831-9
BLU4586-2
BLU4586-2
ORN3320-3
ORN3320-3
BLK3320-3
BLK3320-3
BRN3320-3
GRA3320-3
GRA3320-3
WHT3310-7
A298-11
A298-12
A298-10
A269
A269
B239-70
B239-70
A509
A509
TO CHASSIS
HARNESS
REVERSE SW
CONNECTOR
TO FIREWALL
HARNESS
OCP OR
NEUTRAL START
CONNECTOR
OVERCRANK
PROTECTION
BRN3320-3
P238
N M L K T S R P U G B E D A H J F C V W X
P236
A B
J235
A B
P216
7 9 13 15 12 6 16 8 14 10 11 5 4 3 2 1
P222
A
F
E
B
D
C
P214
251643
P202-1
B
A
P237
A B
P221
DCB A
J221
A B C D
P201-1
P N M L K J H G F E C D B A
J236
A B DCE F GHJ K L MNP
P235
C
A
B
P234
3087A878685
J8
1 2 3 4 5 11 10 14 8 16 6 12 15 13 9 7
SHIFTER MODULE
J11
J10
S1
1378954321
SHIFTER
DISPLAYSEE DISPLAY
MESSAGES TABLE
J10
3 4 6 5 2 1
S216
P203-1
1
2
P212
21
S219
S217
S218
P213
1
S231
S232
S233
Schematic - 379 Model Family Electrical P94-6023C63

64. WTEC TRANSMISSION ( ALLISON )
WT140
WT149
WT111
WT116
WT101
WT165
WT135A
WT110
WT131
WT128
WT150
WT141
WT195
WT162
WT129
WT103
WT120
WT107
WT161-1
WT118
WT117-1
WT117-2
WT155
WT143-1
WT143-5
WT143-4
WT136A-2
WT136A-3
YEL2960-3
REVERSE
LIGHT
YEL2960-13
AUTO
NEUTRAL
AUTO
NEUTRAL
ENGINE
BRAKE
SWITCH # 1
WT161-4
WT161-3
WT117-3
WT157-3
WT157-1
WT157-2
SPEEDO
WT146-5
OUTPUT
SPEED
IND. "A"
EXH BK
RLY NC
EXH BK
RLY COM
ECU "T" ( BLUE ) CONNECTOR
ECU "V" ( GRAY ) CONNECTOR
76-WAY BULKHEAD CONNECTOR
SWITCHED
POWER
NEUTRAL
START
RELAY
REVERSE
WARNING
RELAY
EXHAUST BRAKE
ENABLE RELAY
RANGE
INDICATOR
RELAY
PTO
ENABLE RELAY
OUTPUT
SPEED IND
RELAY
WT104
WT165
WT135A
WT110
WT131
WT128
WT150
WT141
WT195
WT162
WT104
WT129
WT103
WT120
WT107
WT118
WT155
WT130
WT102
WT147
WT148
WT139
WT156
WT124A
WT121
WT147
WT102
WT130
WT101
WT148
WT139
WT156
WT124A
WT121
ORN3311-0
WT146-1
WT136A-1
WT136A-1
ORN0770-0
YEL2960-12
ORN0770-0
WT146-2
WT146-3
WT132
WT132
AEE02-2
AEE02-1
AEE02-2
AEE02-1
WT153
WT153
WT136
WT136
WT146-4
WT114
BLK3395-0
GRA3396-0
GRA3397-0
BLK3395-0
GRA3396-0
GRA3397-0
WT167
WT146-6
WT143-9
GRA3610-0
WT123
WT143-6
BLK3391-0
GRA3391-10
WT112
WT143-7
BLK3514-0
GRA3515-0
GRA3516-0
WT114
WT123
WT112
WT167
GRA3516-0
GRA3515-0
BLK3514-0
GRA3391-10
BLK3391-0
GRA3610-0
MINIFUSE
MODULE
RELAY
MODULE # 1
RELAY
MODULE # 2
# 2
# 1
WT161-2
WT113
WT113
WT143-2
WT143-10
WT143-3
WT143-8
P219-1
40 52 61 62 63 58 19 54 16 29 44 18 43 14 28 27 39 30 41 53 15 59 55 45 31 56 57 46 60 34 22 11 10 25 23 72 71 73 64 76 8 9 7 26 12
P216A
15
7
8
9
10
28
14
18
19
21
23
25
27
29
1
16
12
3
4
20
5
22
26
6
2
24
32
17
11
30
13
31
P216B
29 28
23
18
11
2
3
4
5
6
7
9
10
12
13
14
30
16
32
20
21
22
25
26
27
1
17
24
19
8
15
31
P203-3
2
J208
1
P217
1
P206-1
1
P207-1
1
J206
1P212-1
1
P218
1
J207
1
S225
S221
S222
S223
S226
S224
S220
87A
87
86
30
85
K201
C
87A
87
86
30
85
K202
C
87A
87
86
30
85
K204
C
87A
87
86
30
85
K203
C
87A
87
86
30
85
K205
C
87A
87
86
30
85
K206
C
F202
10 AMP
F201
10 AMP
J204
3
4
5
2
1
8
9
10
7
6
13
14
15
12
11
18
19
20
17
16
J205
3
4
5
2
1
8
9
10
7
6
13
14
15
12
11
18
19
20
17
16
J203
1 2
3
4
5
6
SH 65 , REFDES J209 , NODE V SH 65 , REFDES J209 , NODE T SH 65 , REFDES J209 , NODE P SH 65 , REFDES P216C , NODE 32
Schematic - 379 Model Family ElectricalP94-6023C64

65. WTEC TRANSMISSION ( ALLISION ) ( CONTINUED )
WT170
WT171
WT172
WT173
WT174
WT175
WT124S
WT136S
WT180
BRN2622-135
WT169
WT115 , GRN
XMSN
DATA
LINK
ENGINE
BRAKE
SWITCH # 2
CHECK
XMSN
LIGHT
DASH
LIGHTS
ECU "S" ( BLACK ) CONNECTOR SHIFT SELECTOR CONNECTOR
WT173
WT174
WT175
WT124S
WT136S
WT180
WT142
WT151
WT143-2
WT143-2
WT143-10
WT143-10
WT143-3
WT143-3
WT143-8
WT143-8
P216C
5 6 7 8 9 103 16143212131 174 152 181920212223242526272829303111 J209
L K J HGF WUV T PS RNMEDCBA
P202-3
B A
T209
1
J211
1
J212
1
SH 64 , REFDES S224 , NODE 1 SH 64 , REFDES S224 , NODE 1 SH 64 , REFDES S224 , NODE 1 SH 64 , REFDES S224 , NODE 1
Schematic - 379 Model Family ElectricalP94-6023C65

66. EATON LIGHTNING TRANSMISSION POWER
ECU
POWER / DATA
J1587
DATA LINK
XMSN
POWER
XMSN
ECU
J1939
CONNECTION
SPEED OUTPUT
SHIFTER KNOB
BAT POWER
CONNECTION
ORN1228-1
YEL0812-3
GRN0812-3
RED5971-4
WHT3310-8
YEL0812-3
GRN0812-3
RED5971-4
WHT3310-8
ORN1228-1
WHT3310-9WHT3310-9
PRP0831-14
GRN0831-14
PRP0831-14
GRN0831-14
BLU3141-1
GRN3141-1
BLU3141-1
GRN3141-1
LIGHT
GND
SIGNAL
LIGHT
GND
SIGNAL
ORN1228-2
WHT3310-10
PRP0831-15
GRN0831-15
PRP0831-15
GRN0831-15
WHT3310-10
ORN1228-2
SW POWER
CONNECTION
J1939 DATA LINK ( HIGH )
J1939 DATA LINK ( LOW )
12 VDC - UNSWITCHED
12 VDC - SWITCHED
GROUND
GROUND
J1587 DATA LINK ( HIGH )
J1587 DATA LINK ( LOW )
VEHICLE SPEED ( HIGH )
VEHICLE SPEED ( LOW )
SERVICE LIGHT SIGNAL
SHIFT KNOB GROUND
SPLITTER SWITCH SIGNAL
EATON LIGHTNING
TRANSMISSION ECU
P215
F
E
D
C
B
A
J238
A
B
C
D
E
F
P202-2
A
B
P203-2
2
1
P239
F2
E3
F3
D3
E2
E1
D2
D1
B2
A2
B3
A3
B1
A1
F1
C3
C2
C1
J1939-1
A
B
C
P240
A
B
J239
A
B
C
J237
B
A
Schematic - 379 Model Family ElectricalP94-6023C66

67. MAIN CAB ABS CONNECTIONS
YEL0813-2
GRN0813-2
WHT5100-425 WHT1500-123 WHT1500-124
RED5110
RED5110
ORN5110-5
ABS
BRAKE
RELAY
ORN5110-3
GRA5110-1
GRA5110-1
BRN5112-0
BRN5112-1
ABS DIAGNOSTIC
PWR
ABS
CONNECTOR
BRN5112-2
ABS DIAGNOSTIC
GROUND
WHT1500-125
YEL0813-1
GRN0813-4
YEL2415-14
YEL2415-14
BLK3130-1
BLK3130-1
YEL3130-1
YEL3130-1
GRA3130-1
GRA3130-1
CONNECTS TO J443
ON EACH ABS CHASSIS
HARNESS
SEE SH 68, 71 & 72
YEL0812-33
BRN2622-71
GRN0812-33
ABS SWITCH BACKLIGHTING
J1939 DATA LINK
J1939 DATA LINK
GROUND
ABS BATTERY POWER
ABS SWITCHED POWER
ABS ENG BRAKE INPUT
ABS WARNING LIGHT
STOPLIGHTS
ABS BREAK RELAY NC
ABS BREAK RELAY NO
ABS BREAK RELAY COMMON
ORN5110
P15
MJ KCAEHL BDGF S67
S68
S4-17
S21-22 S41-32
SH 10 , REFDES F3A-5, NODE 2
S114
86
87
87A
30
85
R12-1
85-3
30-3
87A-3
87-3
86-3
K12
S116
SH 46 , REFDES J27 , NODE 13
P83
1
P84
1
SH 46 , REFDES S69, NODE 1
SH 46 , REFDES S90 , NODE 1 SH 15 , REFDES S5 , NODE 1 SH 74 , REFDES J50-6 , NODE 31
SH 39 , REFDES S25, NODE 1
SH 74 , REFDES J50-6 , NODE 30
SH 11 , REFDES F3A-7 , NODE 1
Schematic - 379 Model Family ElectricalP94-6023C67

68. J1587
DATA LINK
CONNECTOR
ECU
CONNECTOR
( X1 )
GRA5139-50
GRA5140-50
GRA5141-50
GRA5142-50
GRN5125-50
BLU5125-50
GRN5126-50
BLU5126-50
GRA5139-50
GRA5140-50
GRA5141-50
GRA5142-50
GRN5125-50
BLU5125-50
GRN5126-50
BLU5126-50
ABS FIREWALL
CONNECTOR
ECU
CONNECTOR
( X3 )
ECU
CONNECTOR
( X2 )
GRN5121-50
BLU5121-50
GRN5122-50
BLU5122-50
BLU5123-50
GRN5123-50
GRA5135-50
GRA5136-50
GRA5137-50
GRA5138-50
GRA5131-50
GRA5132-50
GRA5133-50
GRA5134-50 RH FRONT INLET VALVE
RH FRONT OUTLET VALVE
LH FRONT INLET VALVE
LH FRONT OUTLET VALVE
RH REAR INLET VALVE
RH REAR OUTLET VALVE
LH REAR INLET VALVE
LH REAR OUTLET VALVE
LH REAR SENSOR ( - )
LH REAR SENSOR ( + )
RH FRONT SENSOR ( + )
RH FRONT SENSOR ( - )
LH FRONT SENSOR ( + )
LH FRONT SENSOR ( - )
LH RR OUTLET VALVE
RH RR OUTLET VALVE
LH RR INLET VLAVE
RH RR INLET VALVE
LH RR SENSOR ( + )
LH RR SENSOR ( - )
RH RR SENSOR ( + )
RH RR SENSOR ( - )
ABS OFF ROAD SWITCH
DIFF LOCK ( + )
TC VALVE STEER AXLE
RH REAR VALVE COMMON
LH REAR VALVE COMMON
LH FRONT VALVE COMMON
RH FRONT VALVE COMMON
GRA5134-50
GRA5133-50
GRA5132-50
GRA5131-50
GRA5138-50
GRA5137-50
GRA5136-50
GRA5135-50
GRN5123-50
BLU5123-50
BLU5122-50
GRN5122-50
BLU5121-50
GRN5121-50
TC VALVE STEER AXLE COMMON
BLU4364-50
BLU4364-50
FUNCTION
SWITCHES
ABS
OFF ROADATC
3RD ENGINE
BRAKE CONNECTIONS
ABS
CONNECTOR
ORN511-50
GRA5290-50
GRA5290-52
BRN5112-50
BRN5112-50
GRA5220-52
GRA5220-51
GRA5220-50
GRA5110-50
GRA5110-50
WHT5100-52
WHT5100-53
WHT5100-60
WHT5100-57
WHT5100-56
WHT5100-55
WHT5100-54
BRN2622-79
BRN2622-80
BRN2622-70
ORN5110-51
ORN5110-52
J1587 DATA LINK ( + )
J1587 DATA LINK ( - )
J1939 DATA LINK ( + )
J1939 DATA LINK ( - )
TRAILER ABS WARNING LIGHT
ATC SWITCH / LIGHT
ABS GROUND
ATC VALVE ( + )
ATC VALVE ( - )
RH REAR SENSOR ( + )
RH REAR SENSOR ( - )
ABS SWITCHED POWER
ABS BATTERY POWER
ABS WARNING LIGHT
STOP LAMP INPUT
WARNING LT INTERLOCK
ABS WARNING LT GND
RETARDER RELAY
GRA5230-50
BLK5230-50
BLU5124-50
GRN5124-50
BLU5124-50
GRN5124-50
BLK5230-50
GRA5230-50
YEL2415-0
YEL2415-0
COM
NO
NC
WHT5100-74
WHT5100-71
WHT5100-72
WHT5100-73
WHT5100-70
WHT5100-77
WHT5100-76
WHT5100-75 LH RR VALVE COMMON
RH RR VALVE COMMON
N / C
LEGEND:
TWISTED PAIR
4-CHANNEL
OPTIONAL
YEL0813-50
GRN0813-50
YEL0813-50
GRN0813-50
YEL3130-50
GRA3130-50
BLK3130-50
YEL3130-50
GRA3130-50
BLK3130-50
SEE SH 67
FOR ABS MAIN CAB
CONNECTIONS AT P15
BLK5232-1BLK5232-1
GRA5232-1GRA5232-1
GRA5290-51
PRP0831-50
GRN0831-50
PRP0831-50
GRN0831-50
GRA5290-3
GRA5220-3
ORN5110-6
ORN5110-7
TRAILER
ABS
BRN5114-1
BRN5114-1
BLK5232-0 GRA5232-0
ORN5110-50
RED5110-50
BENDIX ABS SYSTEM
FUNCTION SWITCHES
OFFROAD
ABS
ATC
P448
6
3
8
5
14
11
12
15
18
17
16
9
13
10
2
1
7
4
P443
AB
P441
1
2
11
12
19
20
8
4
7
3
10
6
9
5
18
17
15
16
13
14
21
22
23
24
25
26
27
28
32
29
30
31
J441
1
P442
1
P444
1
P450
382B9710 P449
10 7 9 2B 3 8
J443
MJ KCAEHL BDGF
P15-1
F G D B L H E A C K J M
P447
11
10
4
5
17
12
15
18
16
9
3
1
6
2
7
8
13
14
P445
5
3
2
1
15
12
14
11
10
4
13
7
6
8
9
S442
S446
S445
S444
S447
S443-1
S441-1
S449 S448
SH 69 , REFDES J455, NODE 4
SH 69 , REFDES J455, NODE 5
R441
R442
J442
1
9
3
1
6
4
10
7
2B
5B
8
B
A
9
3
1
6
4
10
7
2B
5B
8
B
A
Schematic - 379 Model Family ElectricalP94-6023C68

69. ECU
CONNECTOR
( X4 )
STEERING ANGLE SENSOR LO
STEERING ANGLE SENSOR HI
STEERING ANGLE SENSOR RETURN
STEERING ANGLE SENSOR SIGNAL
PRESSURE SENSOR # 2
PRESSURE SENSOR COMMON
PRESSURE SENSOR POWER
PRESSURE SENSOR # 3
PRESSURE SENSOR # 1
TRAILER INLET VALVE
TRAILER VALVE RETURN
TRAILER OUTLET VALVE
918-1
915-1
PRESSURE
SENSOR # 2
PRESSURE
SENSOR # 1
PRESSURE
SENSOR # 3
STEERING ANGLE
SENSOR
918-1
915-1
ABS FIREWALL
CONNECTOR
( SHEET 3 )
919-1
919-1
LEGEND:
TWISTED PAIR
4-CHANNEL
OPTIONAL
922-1
921-1
920-1
922-1
921-1
920-1
BLK5232-1
BLK5232-1
GRA5232-1
GRA5232-1
914-1
914-5
911-5
911-1
912-1
913-1
912-5
913-5
914-4
911-4
913-4
912-4
916-3
917-3
917-2
916-2
916-4
917-4
STABILITY CONTROL
BENDIX ABS-6 CAB HARNESS ( CONTINUED )
P480
13
14
15
7
8
10
11
5
1
4
3
2
6
12
9
P492
B A C D
P456
CB AP458
CB A P457
CB A
J455
1
2
3
4
5
6
7
8
9
10
11
12
13
14
SH 68, REFDES P445, NODE 3
SH 68, REFDES P445, NODE 5
S483
S486
S485
S484
S487
S488
Schematic - 379 Model Family ElectricalP94-6023C69

70. RF SENSOR AND PMV CONNECTORS RR SENSOR AND PMV CONNECTORS
LR SENSOR AND PMV CONNECTORS LF SENSOR AND PMV CONNECTORS
ABS FIREWALL CONNECTOR
6-CHANNEL
CONNECTOR
ATC
CONNECTOR
GRA5139-1
GRA5140-1
GRA5141-1
GRA5142-1
BLU5125-1
GRN5125-1
BLU5126-1
GRN5126-1
BLK5230-1
GRA5230-1
WHT5100-4
WHT5100-5
GRA5230-1
BLK5230-1
GRA5139-1
GRA5140-1
GRA5141-1
GRA5142-1
BLU5125-1
GRN5125-1
BLU5126-1
GRN5126-1
WHT5100-7
WHT5100-10
WHT5100-7
WHT5100-10
WHT5100-6
GRA5133-1
WHT5100-8 WHT5100-9
GRA5137-1
GRA5138-1
GRA5134-1
GRA5135-1
GRA5136-1
GRA5138-1
GRA5134-1
GRA5133-1
GRA5137-1
WHT5100-9
WHT5100-6
GRA5136-1
WHT5100-8
GRA5135-1
GRA5131-1
WHT5100-11
GRA5132-1
GRA5132-1
WHT5100-11
GRA5131-1
LEFT REAR
REAR MODULATOR
RIGHT REAR
REAR MODULATOR
LEFT REAR
REAR SENSOR
RIGHT REAR
REAR SENSOR
GRA5139-2
GRA5140-2
GRA5141-2
GRA5142-2
WHT5100-14
BLU5125-2
GRN5125-2
BLU5126-2
GRN5126-2
WHT5100-16
STABILITY
CONTROL
CONNECTOR
TRAILER
VALVE
YAW RATE
SENSOR
GRA5139-2
WHT5100-14
GRA5140-2
GRA5141-2
WHT5100-16
GRA5142-2
BLU5125-2
GRN5125-2
BLU5126-2
GRN5126-2
6 CHANNEL HARNESS
ABS CHASSIS HARNESS
LEGEND:
TWISTED PAIR
4-CHANNEL
OPTIONAL
STABILITY
CONTROL
CONNECTOR
922-3
922-3
921-3
921-3
920-3
920-3
926-3
926-3
925-3
925-3
BLU5122-1
GRN5122-1
BLU5122-1
GRN5122-1
BLU5124-1
GRN5124-1
BLU5124-1
GRN5124-1
GRN5121-1
BLU5121-1
GRN5121-1
BLU5121-1
BLU5123-1
BLU5123-1
GRN5123-1
GRN5123-1
914-3
913-3
914-3
913-3
912-3
911-3
912-3
911-3
ABS CHASSIS HARNESS
12 P482
1 J48123
1 2P487
1J487 2 3
12 P483
1 J48223
1 2
P486
1J486 2 3
J483
1
2
J484
1
2
3
4
5
6
7
8
9
12
P484
12
9
8
7
6
5
4
3
2
1
P488
3
2
1
P489
3
2
1
P490
2
1
P491
2
1
P493-3
2
1
3
4
P455-3
3
2
1
S481 S482
P481
30
29
28
27
26
25
24
23
22
21
31
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
P456-3
1
2
P485
14
13
12
11
10
9
8
7
6
5
4
3
2
1Schematic - 379 Model Family Electrical P94-6023C70

71. J1587
DATA LINK
CONNECTOR
ECU CONNECTOR
( X1 )
WHT5100-69
GRN0831-60
PRP0831-60
GRA5110-60
RED5110-61
GRN0831-60
PRP0831-60
RED5110-61
WHT1500-169
WHT1500-162
WHT5100-68
GRN0813-60
YEL0813-60
GRN0813-60
YEL0813-60
FUNCTION
SWITCHES
ABS ATC
3RD ENG BRAKE CONNECTIONS
BRN5112-60
YEL3130-0
BLK3130-0
GRA3130-0
ORN5110-65
ORN5110-4
BRN5112-60
YEL3130-0
GRA3130-0
BRN2622-0
ORN5110-0
WHT1500-161
BRN2622-67
ORN5110-1
GRA5110-60
BLK3130-0
BRN2622-68
GRA5131-60
GRA5132-60
GRN5121-60
BLU5121-60
GRA5133-60
GRA5134-60
BLU5122-60
GRN5122-60
GRA5135-60
GRA5137-60
GRA5136-60
GRA5138-60
GRA5230-60
BLK5230-60
BLU5124-60
GRN5124-60
GRA5131-60
GRA5132-60
GRN5121-60
BLU5121-60
GRA5133-60
GRA5134-60
BLU5122-60
GRN5122-60
GRA5135-60
GRA5137-60
GRA5136-60
GRA5138-60
GRA5230-60
BLK5230-60
BLU5124-60
GRN5124-60
ABS FIREWALL
CONNECTOR
ECU
CONNECTOR
( X2 )
RIGHT FRONT ABS VALVE INLET
RIGHT FRONT ABS VALVE OUTLET
LEFT FRONT ABS VALVE INLET
LEFT FRONT ABS VALVE OUTLET
LEFT FRONT SENSOR
LEFT FRONT SENSOR
RIGHT FRONT SENSOR
RIGHT FRONT SENSOR
LEFT REAR SENSOR
LEFT REAR SENSOR
RIGHT REAR SENSOR
RIGHT REAR SENSOR
DIF+ INLET VALVE
DIF- INLET VALVE
LEFT REAR ABS VALVE INLET
LEFT REAR ABS VALVE OUTLET
RIGHT REAR ABS VALVE INLET
RIGHT REAR ABS VALVE OUTLET
WHT5100-58
WHT5100-59
LEGEND:
TWISTED PAIR
4-CHANNEL
OPTIONAL
ABS CONNECTOR
SEE SH 67
FOR ABS MAIN CAB
CONNECTIONS AT P15
WHT1500-167
WHT1500-168
YEL5290-60
YEL5290-60
YEL5920-61
GRA5220-60
GRA5220-60
NO
COM
NC
GRN5123-60
BLU5123-60
GRN5123-60
BLU5123-60
YEL5220-2 YEL5220-3
YEL5220-0
YEL5220-1
ORN5110-8
WABCO ABS SYSTEM ( E-BASIC )
J1587 DATA LINK B
J1587 DATA LINK A
J1939 DATA LINK L
J1939 DATA LINK H
ATC SWITCH
ABS SWITCH
ATC FUNCTION SWITCH
GROUND
GROUND
ABS ENGINE BRAKE INPUT
ABS SWITCHED POWER
ABS BATTERY POWER
ABS WARNING LIGHT
OFFROAD
ABSATC
P443-1
BA
P447-1
15
8
7
14
9
4
6
5
2
13
12
3
1
11
10
P442-1
1
J441-1
1
P444-1
1
P450-1
382B9710
P449-1
10 7 9 2B 3 8
J443-1
MCHKJ EBAL DGF
P441-1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
P448-1
18
17
16
14
11
9
8
7
5
2
13
10
4
1
15
12
6
3
S441
S443
S444-1
S442-1
9
3
1
6
4
10
7
2B
5B
8
B
A
9
3
1
6
4
10
7
2B
5B
8
B
A
S445-1
R441-1
P15-2
F G D L A B E J K H C M
Schematic - 379 Model Family ElectricalP94-6023C71

72. WABCO ABS SYSTEM ( E-UNIVERSAL )
J1587
DATA LINK
CONNECTOR
ECU CONNECTOR
( X1 )
WHT5100-19
GRN0831-20
PRP0831-20
GRA5110-0
RED5110-1 GRN0831-20
PRP0831-20
RED5110-1
YEL5290-0
GRA5220-0
WHT1500-192
WHT1500-195
WHT5100-18
GRN0813-10
YEL0813-10
GRN0813-10
YEL0813-10
FUNCTION
SWITCHES
ABS
ATC
3RD ENG BRAKE CONNECTIONS
BRN5112-10
YEL3130-10
BLK3130-10
GRA3130-10
ORN5110-15
ORN5110-14
BRN5112-10
YEL3130-10
GRA3130-10
BRN2622-97
WHT1500-193
ORN5110-22
BLU5110-1
BLU5110-4
BLU5110-3
WHT5100-21
BRN2622-99
ORN5110-23
ORN5110-2
WHT1500-194
WHT1500-196
GRA5110-0
BLK3130-10
MAIN CAB
HARNESS
BRN2622-100
COM NC NO
BLU5110-2
BLU5110-0
BLU5110-5
GRA5220-0
SEE SH 67
FOR ABS MAIN CAB
CONNECTIONS AT P15
J1587 DATA LINK B
J1587 DATA LINK A
J1939 DATA LINK L
J1939 DATA LINK H
ABS ENGINE BRAKE INPUT
ABS SWITCH
ATC FUNCTION SWITCH
ABS GROUND
ABS GROUND
ABS ENGINE BRAKE INPUT
ABS SWITCHED POWER
ABS BATTERY POWER
ABS WARNING LIGHT
9
3
1
6
4
10
7
2B
5B
8
B
A
9
3
1
6
4
10
7
2B
5B
8
B
A
R441-2
J443-3
M
C
H
K
J
E
B
A
L
D
G
F
S445-3
S446-1
S444-3
S442-2
S447-1
P449-2
10
7
9
3
2B
8
P450-2
3
8
2B
9
7
10
S443_c0
P444-2
1
J441-2
1
P442-2
1
P451
15
8
7
14
9
4
6
5
2
13
12
3
1
11
10
S441-3
P443-2
BA
Schematic - 379 Model Family ElectricalP94-6023C72

73. TRAILER ABS
TRAILER
J560
SPARE
SPARE
TRAILER
CIRCUIT
RED9900-1
RED9900-1
TRAILER
GROUND
ORN9900-1
ORN9900-1
BRN9920-1
ORN9920-1
BRN9920-1
ORN9920-1
TRAILER
PLUG
CONNECTOR
AUX
WHT9000-4
AUX
WHT9000-4
WITH J560 CONNECTOR
TRAILER
FIREWALL
CONNECTOR
MAIN CAB
FIREWALL
CONNECTOR
FIREWALL
J8
1 J7
1
J263-3
1
P262-3
WHT
BLU
P261-3
B2
F2
E3
G2
J1-11
G2
E3
F2
B2
SH 46 , REFDES J27 , NODE 14 SH 11, REFDES F5A-4 , NODE 2
Schematic - 379 Model Family Electrical P94-6023 C 73

74. MAIN CAB ENGINE FIREWALL BULKHEAD
MULTIFUNCTION CIRCUIT
{ J1939 DATALINK ( + )
J1939 DATALINK ( - )
AMMETER INPUT
AMMETER +5V SUPPLY
J1587 DATALINK ( + )
J1587 DATALINK ( - )
OPTL IDLE
STARTER RELAY
OPTL IDLE SLEEPT
ENGINE FAN OVERRIDE
LVD SENSE
THROTTLE SUPPLY
THROTTLE RETURN
THROTTLE POSITION
DIAGNOSTIC SWITCH
MULTIFUNCTION CIRCUIT
MULTIFUNCTION CIRCUIT
A / C CLUTCH
SPARE ENG CIRCUIT # 1
MULTIFUNCTION CIRCUIT
MULTIFUNCTION CIRCUIT
TPS MODULATOR
WAIT TO START
2 SPEED AXLE
ENGINE BRAKE 1
ENGINE BRAKE 2
XMSN TEMP GAUGE
CRUISE SET
CRUISE ON
CRUISE RESUME
THROTTLE SENSOR SIGNAL
XMSN ANALOG RETURN
THROTTLE SUPPLY
ECM SWITCHED POWER
AMMETER ANALOG RETURN
STARTER
SWITCHED POWER
SERVICE BRAKE SWITCH
MULTIFUNCTION CIRCUIT
ECM COMMON
SPARE ENG CIRCUIT # 2
PYROMETER INPUT
PYROMETER ANALOG RETURN
TPS
MODULATOR
REMOTE PTO
INTERLOCK
ADD ON 1 HARNESS
( SEE PAGE 96 )
ADD ON
2 HARNESS
SPARE 1DUAL STATION
CONTROL
CRUISE CONTROL
SET / RESUME
ACCELERATOR
PEDAL
SPARE
EEO1
SPARE
EE01
CRUISE CONTROL
ON / OFF
CRUISE CONTROL
SHIFT LEVER
SPARE
EE60
GRA3199-0
YEL0812-33
BRN4312-5
BRN4311-6
BLU4585-3
RED1930-9
PRP0831-19
GRA3512-4
GRA3513-4
BLU3144-5
GRA3512-4
GRA3513-4
BLU3144-5
GRA3192-4
GRA3192-4
ORN3142-6
ORN3142-6
BLU3142-4
BLU3142-4
GRN3142-4
GRN3142-4
WHT3110-54
WHT1500-202WHT1500-203
MAIN
GROUND
WHT1500-205
PRP3184-3
PRP3184-3
GRN3115-35
BRN2622-65
BRN2622-65
GRA3181-2
GRA3181-2
GRA3394-2
GRA3394-2
YEL7111-4YEL7111-4
ORN3940-1
ORN3940-1
GRA3182-2
GRA3182-2
GRA3198-0
GRA3510-4
GRA3510-4
GRN3115-45
GRA3198-0
GRN3115-45
GRA3163-6
GRN3115-35
GRA3162-6
GRA3163-7
GRA3162-7
WHT3110-81
WHT3110-79
WHT3110-80
WHT1500-204
BRN2622-66
WHT3110-79
SEE
SH 47
GRN3116-36 GRN3116-36
GRA3511-12
GRA3511-12
ORN3111-23
WHT3110-21
GRA3163-8
GRA3162-8
GRA3161-6
GRA3161-7
GRA3161-8
ORN3111-39
ORN3111-24
ORN3111-22
ORN3111-27
ORN3111
WHT1500-204
BRN4323-2
GRA3631-2
GRA3133-25
GRA3133-25
GRA3631-2
BRN4323-2
GRA3131-15
BLU4522-2
BLU4522-2
ENGINE
SPARE
# 1
ENGINE
SPARE
# 2
E1-6
E2-6
E1-6
E2-6SEE
SH 48
GRA3131-15
BLU3142-6
BLU3142-6
GRN4140-35
GRN4140-37
GRN4140-35
GRN4140-37
BLU3146-16
BLU3146-16
ORN3111-55
GRN4140-38GRN4140-38
ORN3912-2
ORN3100-55
ORN3912-2
ORN3100-55
GRA2415-3
GRN3115-48
GRN3115-33
BLU4529-2
GRA2415-3
BLU4529-2
STOP ENGINE
CHECK ENGINE
GRN3116-14
BRN2622-75
BRN2622-75
BRN2622-76
BRN2622-76
BRN2622-74
BRN2622-74
BRN2622-77
GRN3116-19
ORN3100-9
WHT3110-53
WHT3110-53
GRN3115-50
GRN3115-50
GRN3116-26
WHT3110-87
GRN3115-36
GRN3115-37
GRN0812-33
GRN0831-19
ORN3100-9
MATING CONNECTOR: MATES TO CONNECTOR
P103 FOR ALL ENGINES
FIREWALL
BULKHEAD
SPARE
EE16
SPARE
EE40
ENGINE BRAKE
( SEE PAGE 95 )
RED1210-67RED1210-67
ORN3100-10
ORN3100-10
GRN3445-46
ORN3111-11
J50-6
35
36
6
34
41
20
1
10
24
21
13
25
14
7
8
17
26
46
45
44
16
40
18
11
33
5
4
32
9
15
22
23
12
27
19
39
38
37
3
2
28
29
30
31
42
43
47
P77
HKEABCF GJ D J52
ABC1 P78
1 P79
P8
A B CDE FJ54
AB P28
13789105B2B
1 P6
1 P82
1 P5
B A C P7
1
P81
P29
8 3 10 9 5B 7 2B 6
P12
C A D B H F G EP9
A E B D F C
1 P76
SH 67 , REFDES S67 , NODE 1
SH 46 , REFDES J27 , NODE 16
SH 46 , REFDES J27 , NODE 15
SH 46 , REFDES J31, NODE 9
SH 46, REFDES S60 , NODE 1
SH 46 , REFDES , NODE
S4-19
S21-24
S41-34
T5-30
1
S101-7
S102-7
SH 50 , REFDES S39 , NODE 1 SH 42 , REFDES K4 / K9 _ c0 , NODE 87-2 SH 13 , REFDES F1A , NODE 2
S29
S32
S46-8
S45-9
S27
SH 12 , REFDES F3A-1, NODE 2 SH 46 , REFDES J31, NODE 21
P70
1
P71
1
SH 46 , REFDES S79 , NODE 1 SH 46 , REFDES S79 , NODE 1 SH 46 , REFDES S79 , NODE 1 SH 9 , REFDES J50, NODE 10 SH 56 , REFDES J50-4 , NODE 1 SH 15 , REFDES K11 , NODE 87A SH 15 , REFDES K11, NODE 30 SH 46 , REFDES J31 , NODE 23 SH 50 , REFDES S39 , NODE 1
SH 56 , REFDES S11-1, NODE 1
SH 67 , REFDES S68, NODE 1
SH 46 , REFDES S71, NODE 1
SH 11 , REFDES , NODE SH 52 , REFDES S11-2 , NODE 1
SH 94 , REFDES J108-7
SH 94 , REFDES J58
9
3
1
6
4
10
7
2B
5B
8
C
B
A
B1
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
Schematic - 379 Model Family ElectricalP94-6023C74

75. ENGINE - CAT C11 / C13 AND C15
VEHICLE
SPEED
CLUTCH
SWITCH
A / C PRESS
SWITCH
TOP 2
XMSN
LOW COOLANT
LEVEL
( 4-PIN )
ECU
POWER
CAT
ELECTRONIC
ENGINE ECU
ENGINE FAN
SOLENOID
LOW COOLANT
LEVEL
( 2-PIN )
ETHER
SOLENOID
NEUTRAL
INTERLOCK
RW3111-2
RW3111-1
RW3111-3
WHT3110-61
RW3111-4
WHT3110-60
WHT3110-62
WHT3110-63
WHT3110-13
BRN3393-1
PRP3393-1
BRN3393-1
PRP3393-1
PRP4562-6
PRP4562-6
GRN3115-2
PRP4561-1
PRP4561-1
GRN3115-7
ORN3113-1
PRP4562-7
PRP4562-7
ORN3113-1
GRA3930-1
GRA3930-1
WHT3110-12
GRN4140-1
GRN4140-1
BLU4585-1
BLU4585-1
RED1930-4
RED1930-4
GRN4140-11
GRN4140-11
BLU4529-1
BLU4529-1
GRN3115-6
GRN3115-3
GRN3115-4
GRN3115-5
GRA3394-1
GRA3394-1
ORN3100-2
GRA3191-1
GRA3191-1
WHT3110-2
BLU3141-2
GRN3141-2
BLU3141-2
GRN3141-2
GRA3195-1
GRA3195-1
GRA3170-1
GRA3170-1
GRA3513-1
GRA3513-2
GRA3513-3
GRA3512-1
GRA3512-2
GRA3512-3
GRN3117-2
GRN3115-0
BLU3144-1
BLU3144-2 BLU3144-3
GRA3511-1
GRA3511-2 GRA3511-3
GRA3510-1
GRA3510-1
ORN3100-3
ORN3100-4
WHT3110-0
GRA3193-1
GRA3193-1
ORN3100-5
GRN3117-3
GRA3192-1 GRA3192-1
GRA3131-1 GRA3131-1
GRA3133-1GRA3133-1
GRA3162-2 GRA3162-2
GRA3161-1 GRA3161-1
GRA3163-2GRA3163-2
BRN4323-1 BRN4323-1
GRA3181-1GRA3181-1
GRN0831-16
PRP0831-16
GRA3631-1GRA3631-1
GRN0831-16
PRP0831-16
GRA3182-1GRA3182-1
GRA2415-1GRA2415-1
BLU3146-0
BLU3145-0
ORN3111-4
BLU3146-0
BLU3145-0
ORN3111-4
AMMETER
SENSOR
PYROMETER
SENSOR
LVD
VOLTAGE
SENSE
RED1260-0
RED1260-0
J1939 DATA LINK ( - )
J1939 DATA LINK ( + )
ENGINE ECM COMMON
FAST IDLE TORQUE LIMIT
REMOTE PTO RESUME
PYROMETER SIGNAL
PYROMETER SIGNAL GROUND
ENGINE FAN MANUAL OVERRIDE
ENGINE BRAKE MED / HIGH
ENGINE BRAKE LOW / HIGH
CRUISE AND PTO SET
CRUISE AND PTO ON / OFF
CRUISE AND PTO RESUME
WAIT TO START
AMMETER SENSOR GROUND
SERVICE BRAKE # 2
PTO ON / OFF
AMMETER SIGNAL
REMOTE THROTTLE
REMOTE PTO SET
J1587 DATA LINK ( - )
J1587 DATA LINK ( + )
SHUTDOWN / 2 SPEED AXLE
BRAKESAVER RELAY
SERVICE BRAKE # 1
( + ) 8 VOLTS
ACCELERATOR POSITION
ECM SWITCHED POWER
AMMETER SUPPLY
LVD VOLTAGE SENSE
REMOTE PTO
CONTROLS
ELECTRONIC ENGINE
FIREWALL
BRN4311-5
GRN0812-4
YEL0812-4
GRN0812-6
YEL0812-6
SAE J1939
DATA LINK
TERMINATING
RESISTOR
P119
ABAB
P106
P107
BA
J107
12BA
P105
J111
12 11 10 9 8 7 6 5 4 3 2 1
P111
123456789101112
P104
BA
P112
BA
J112A B
P118
12
J1182 1 P117
ABCD
P116
BCA
P114
BA P115
BAC
S101-1 S102-1
SH 76 , REFDES S111-2 , NODE 1
S109
SH 76 , REFDES S111-2 , NODE 1 SH 76 , REFDES S108 , NODE 1 SH 76 , REFDES S111-2 , NODE 1
S105-3
S104
S110-1
S103
S107
S106
SH 76 , REFDES S108 , NODE 1 SH 76 , REFDES S111-2 , NODE 1
J108
1
P101
70
66
4
45
12
6
8
9
58
3
68
47
56
64
21
10
44
59
35
40
23
46
41
62
5
22
60
33
32
7
11
2
28
50
34
13
49
54
26
19
20
63
65
67
52
53
48
P103-2
30
31
23
33
34
15
11
12
38
43
42
36
35
19
45
44
17
8
7
40
24
9
18
29
39
32
37
3
2
16
41
20
13
14
21
28
27
SH 76 , REFDES P103-3 , NODE 42
R101 1
2
J101
2
1
Schematic - 379 Model Family Electrical P94-6023C75

76. XMSN
TEMP
STARTER
RELAY COIL
A / C COMPRESSOR
CLUTCH SOLENOID
ENGINE
GROUND
E1
SPARE
E2
SPARE
ELECTRONIC ENGINE
FIREWALL
WHT3110-11
WHT3110-13
WHT3110-12
ORN3100-2
WHT3110-2
ORN3100-4
WHT3110-0
ORN3100-1
WHT3110-14
YEL7111-2
YEL7111-2
ORN1220-5
ORN1220-5
WHT3110-1
GRN4140-12
GRN4140-12
BLU4522-0
BLU4522-0
E1-0
E1-0
E2-0
E2-0
CONTINUED - CAT C11 / C13 AND C15 ENGINES
BRN4311-5
BRN4311-5
J103
B
A
P109-1
A
B
1
J104
1
J105
P110-1
A
B
T9
1
S111-2
SH 75 , REFDES P116, NODE B SH 75 , REFDES P112, NODE A
S108
SH 75 , REFDES P118, NODE 2SH 75 , REFDES P107, NODE A SH 75 , REFDES S106, NODE 1SH 75 , REFDES P111, NODE 8
P103-3
10
4
1
25
26
5
6
33
42
43
47
SH 75 , REFDES P101, NODE 28
Schematic - 379 Model Family ElectricalP94-6023C76

77. ENGINE - CUM ISM
PRP4931-0
XMSN TEMP
SENSOR
ENGINE FAN
SOLENOID
( 12V = FAN OFF )
E1
SPARE
ENGINE
E2
SPARE
ENGINE
CLUTCH
SWITCH
TO MAIN CAB
HARNESS
ELEC ENGINE
CAB HARNESS
DUAL STATION CONTROLS
STARTER
RELAY COIL
GRA3191-0
GRA3195-0
GRA3170-0
GRA2415-0GRA2415-0
BLU3146-1
GRA3510-0
BLU3142-0BLU3142-0
GRA3131-0GRA3131-0
GRA3162-0GRA3162-0
GRA3161-0GRA3161-0
GRA3163-0
BLU4522-1
E2-1, WHT
E1-1, WHT
GRA3930-0
YEL7111-3
ORN1220-0
GRN3117-0
GRA3511-0
A / C COMPRESSOR
CLUTCH
PRP4562-0
ETHER
SOLONOID
GRN3117-1
ENGINE
HARNESS
ENGINE
HARNESS
VEHICLE
SPEED SENSOR
( ECU )
GRA3192-0
BLU3145-1
GRA3511-0
GRA3192-0
PRP4931-0
BLU3146-1
BLU3145-1
GRA3163-0
ENGINE
HARNESS
ECU POWER
FUSE HARNESS
ENGINE
GROUND
ENGINE
HARNESS
PRP3143-0
BLU3144-0
ENGINE HARNESS
GRA3193-0
PRP3144-0
GRA3195-0
GRA3193-0
PRP3143-0
BLU3144-0
PRP3144-0
FOR MANUAL XMSN
COOLING
MODULE
HARNESS
ORN3100-6
ORN1220-0
E2-1, WHT
FIREWALL
ENGINE
SIDE
CAB
SIDE
FIREWALL
ENGINE
SIDE
CAB
SIDE
GRA3191-0
GRA3930-0
GRN3117-0
GRN3117-1
GRA3510-0
ENG BRAKE 1 ( MED-HIGH )
ENG BRAKE 2 ( LOW-HIGH )
REMOTE PTO ENABLE
REMOTE PTO INTERLOCK
CRUISE CONTROL RES / ACCEL
CRUISE CONTROL SET / COAST
CRUISE CONTROL ON / OFF
IDLE VALIDATION, ON IDLE
IDLE VALIDATION, OFF IDLE
ACCEL POSITION RETURN
CAB ACCEL POSITION
ACCEL POSITION SUPPLY
MANUAL FAN OVERRIDE SW
J1587 / 1708 ( + ) DATA LINK
AMMETER INPUT
AMMETER RETURN
AMMETER +5V FEED
J1587 / 1708 ( - ) DATA LINK
PYROMETER INPUT
SWITCH RETURN
SERVICE BRAKE
IGNITION KEY SWITCH
DIAGNOSTIC SWITCH
SAE J1939
DATA LINK
TERMINATING
RESISTOR
WHT3110-15
RW3111-0
TO
CUMMINS CM870
CONTROLLER
TO
CUMMINS CM870
ENGINE CONTROL
MODULE
GRA3170-0
GRN4140-15
J1939 DATALINK ( + )
J1939 DATALINK ( - )
SPARE ENGINE CIRCUIT # 1
TRANSMISSION OIL TEMP
TRANSMISSION OIL TEMP RETURN
A / C CLUTCH
STARTER RELAY COIL
SWITCHED POWER
SPARE ENGINE CIRCUIT # 2
BLU4585-0
GRN4140-14
RED1930-5
AMMETER PYROMETER
PYROMETER RETURN
BLU4529-0
GRN4140-13
GRN4140-13
BLU4529-0
E1-1, WHT
ORN3100-6
ECM SWITCHED PWR
ECM SUPPLY RETURN
ECM SUPPLY ( + )
LVD
VOLTAGE
SENSE
RED1260-1
RED1260-1
LVD VOLTAGE SENSE
PRP4562-0
BLU3141-0
GRN3141-0
BLU3141-0
GRN3141-0
PRP0813-17PRP0813-17
GRN0813-17GRN0813-17
GRN3115-9
GRN3115-10
GRN3115-11
GRN3115-8
GRN3116-0
GRN3116-2
GRN3116-1
ORN3142-0
GRN3142-0
ORN3142-0
GRN3142-0
BRN4311-0
BRN4311-0
BRN4312-0
BRN4312-0
ORN3111-0
GRA3133-2
GRA3133-0
GRA3133-3
WHT3110-16
WHT3110-9
WHT3110-7
GRN3115-34
WHT3110-65
CHECK ENGINE LAMP ( AMBER )
STOP ENGINE LAMP ( RED )
YEL7111-3
YEL0812-0
GRN0812-0
YEL0812-5
GRN0812-5
GRN0812-5
YEL0812-5
ORN3111-0
WAIT TO START
P119-1
AB AB P106-1
1
J104-1
1
J105-1
P110-2
B
A
P103-4
29
24
28
27
31
30
2
3
36
35
37
42
43
34
20
40
38
21
19
15
16
12
22
23
13
14
8
17
7
11
18
46
45
44
P109-2
AB
TORQUE LIMIT SWITCH
REMOTE ACCEL ENABLE
REMOTE ACCEL POSITION
OEM SENSOR SUPPLY ( + )
ETHER SOLENOID RETURN
ENG FAN SOLENOID RETURN
ENG BRAKE SEL SW 1 ( 17% )
ENG BRAKE SEL SW 2 ( 33% )
ENG BRAKE SEL SW 3 ( 50% )
REMOTE PTO ENABLE
TACHOGRAPH
CRUISE CONTROL RES / ACCEL
CRUISE CONTROL SET / COAST
CRUISE CONTROL ON / OFF
IDLE VALIDATION, ON IDLE
IDLE VALIDATION, OFF IDLE
ACCEL POSITION RETURN
CAB ACCEL POSITION
ACCEL POSITION SUPPLY
OEM TEMPERATURE
DIAGNOSTIC SWITCH
MANUAL FAN OVERRIDE SW
IGNITION KEY SWITCH
OEM PRESSURE
CENTINEL-MAKEUP TANK SW
SERVICE BRAKE
SWITCH RETURN
OBD LAMP
AMBIENT AIR TEMPERATURE
STOP ENGINE LAMP ( RED )
CHECK ENGINE LAMP ( AMBER )
IDLE SHTDN-RELAY
J1587 / 1708 ( - ) DATA LINK
J1587 / 1708 ( + ) DATA LINK
TACHOMETER OUPUT DRIVER
OEM / ENGINE SENSOR RETURN
MAX ENGINE SPEED
WAIT TO START
ETHER START
FAN CLUTCH SOL VALVE
VSS ( - ) INPUT SIGNAL
VSS ( + ) INPUT SIGNAL
CLUTCH SWITCH
ECM RETURN
A / C PRESSURE SWITCH
LOW COOLANT LEVEL
STARTER LOCKOUT
J1939 ( SHIELD / DRAIN )
J1939 ( L ) DATA LINK
J1939 ( H ) DATA LINK
P101-1
13
3
26
21
33
29
18
8
7
4
30
24
25
16
11
1
23
9
22
31
2
17
39
35
12
5
34
45
19
43
44
48
20
10
41
32
14
50
40
38
36
27
15
42
6
28
49
37
47
46
P102
3
4
1
2
J107-1
1 2
P107-1
AB
T101-1
1
ECM SWITCH RETURN
REMOTE ACCEL ENABLE
REMOTE ACCEL POSITION SENSE
REMOTE ACCEL SENSOR SUPPLY
REMOTE ACCEL SENSOR RETURN
SWITCHED POWER
REMOTE PTO INTERLOCK
TORQUE LIMIT SWITCH
CHASSIS GROUND
J103-1
AB
P112-1
AB
J112-1
B A
J111-1
8
9
3
12
4
10
11
7
6
P111-1
6
7
11
10
4
12
3
9
8
P117-1
BAED
P103-4
26
25
4
10
1
6
5
P114-1
BA
P115-1
ABC1
J108-1
S106-1
S103-1
S101-2
S111-3
R101-1
2
1
J101-1
1
2
Schematic - 379 Model Family Electrical P94-6023C77

78. ENGINE - CUM ISC / ISL
USAGE:
USE ON 330 / 379 CHASSIS FAMILY
WITH CUMMINS ISC / ISL ENGINES WITH
CM850 CONTROLLER.
PRP4931-2
XMSN TEMP
SENSOR
ENGINE FAN
SOLENOID
( 12V = FAN OFF )
E1
SPARE
ENGINE
E2
SPARE
ENGINE
CLUTCH
SWITCH
TO MAIN CAB
HARNESS
ELEC ENGINE
CAB HARNESS
DUAL STATION CONTROLS
STARTER
RELAY COIL
GRA3191-3
GRA3195-3
GRA3170-5
GRA2415-5GRA2415-5
BLU3146-2
GRA3510-3
GRN3142-2GRN3142-2
GRA3131-6GRA3131-6
GRA3162-4GRA3162-4
GRA3161-4GRA3161-4
GRA3163-4
BLU4522-5
E2-2 , WHT
E1-2 , WHT
GRA3121-3
YEL7111-6
ORN1220-10
GRN3117-7
GRA3511-5
A / C COMPRESSOR
CLUTCH
PRP4562-8
ENGINE
HARNESS
ENGINE
HARNESS
VEHICLE
SPEED SENSOR
( ECU )
GRA3192-2
BLU3145-2
GRA3511-5
GRA3192-2
PRP4931-2
BLU3146-2
BLU3145-2
GRA3163-4
ENGINE
HARNESS
ECU POWER
FUSE HARNESS
ENGINE
GROUND
ENGINE
HARNESS
PRP3143-3
ORN3142-2
BLU3142-2
ENGINE HARNESS
GRA3193-2
ORN3142-2
BLU3142-2
PRP3144-2
GRA3195-3
GRA3193-2
PRP3143-3
PRP3144-2
FOR MANUAL XMSN
LOW
COOLANT
LEVEL
ORN3100-0
ORN1220-10
FIREWALL
ENGINE
SIDE
CAB
SIDE
FIREWALL
ENGINE
SIDE
CAB
SIDE
GRA3191-3
GRA3121-3
GRN3117-7
GRA3510-3
ENG BRAKE 1 ( MED-HIGH )
ENG BRAKE 2 ( LOW-HIGH )
REMOTE PTO ENABLE
REMOTE PTO INTERLOCK
CRUISE CONTROL RES / ACCEL
CRUISE CONTROL SET / COAST
CRUISE CONTROL ON / OFF
IDLE VALIDATION, ON IDLE
IDLE VALIDATION, OFF IDLE
ACCEL POSITION RETURN
CAB ACCEL POSITION
ACCEL POSITION SUPPLY
MANUAL FAN OVERRIDE SW
J1587 / 1708 ( + ) DATA LINK
AMMETER INPUT
AMMETER RETURN
AMMETER +5V FEED
J1587 / 1708 ( - ) DATA LINK
PYROMETER INPUT
SWITCH RETURN
SERVICE BRAKE
IGNITION KEY SWITCH
DIAGNOSTIC SWITCH
SAE J1939
DATA LINK
TERMINATING
RESISTOR
WHT3110-25
RW3111-5
WHT3110-25
TO
CUMMINS CM870
ENGINE CONTROL
MODULE
GRA3170-5
GRN4522-0
J1939 DATALINK ( + )
J1939 DATALINK ( - )
SPARE ENGINE CIRCUIT # 1
TRANSMISSION OIL TEMP
TRANSMISSION OIL TEMP RETURN
A / C CLUTCH
STARTER RELAY COIL
SWITCHED POWER
SPARE ENGINE CIRCUIT # 2
BLU4585-2
GRN4140-17
RED1930-14
AMMETER PYROMETER
PYROMETER RETURN
BLU4529-4
GRN4140-16
GRN4140-16
BLU4529-4
E1-2 , WHT
ORN3100-0
ECM SWITCHED PWR
ECM SUPPLY RETURN
ECM SUPPLY ( + )
WATER
TEMP
SWITCH
A / C
PRESSURE
SWITCH
GRID
HEATER
PRP4562-8
GRN3117-5
GRN3117-5
BRN3121-0
BRN3121-0
BLU4521-0
LVD
VOLTAGE
SENSE
RED1260-2
RED1260-2
LVD VOLTAGE SENSE
YEL7111-6
BLU4521-0
GRN3116-3
GRN3116-5
PRP0831-17
GRN0831-17
PRP0831-17
GRN0831-17
BLU3141-3
GRN3141-3
BLU3141-3
GRN3141-3
GRN3115-14
GRN3116-9
GRN3115-12
GRN3115-18
GRN3115-15
GRN3115-13
ORN3111-19
GRA3133-5GRA3133-6
GRA3133-4
WHT3110-26
WHT3110-27
WHT3110-29
WHT3110-28
BRN4311-1
BRN4312-1
BRN4311-1
BRN4312-1
YEL0812-12
GRN0812-12
YEL0812-36
GRN0812-36
YEL0812-36
GRN0812-36
ORN3111-19
RED3121-1
RED3122-1
RED3920-5
GRID
HEATER
RELAY # 1
GRID
HEATER
# 1
GRID
HEATER
# 2
GRID
HEATER
RELAY # 2
STARTER
POSITIVE
INTAKE
AIR HEATER
WAIT TO START BRN4323-3
BRN4323-3
BLU3144-6
P119-2
AB AB P106-2
1
J104-2
1
J105-2
P110-3
B
A
P103-5
29
24
28
27
31
30
2
3
36
35
37
42
43
34
20
40
38
21
19
15
16
12
22
23
13
14
8
17
7
11
18
46
45
44
P109-3
AB
TORQUE LIMIT SWITCH
REMOTE ACCEL ENABLE
REMOTE ACCEL POSITION
OEM SENSOR SUPPLY ( + )
ETHER SOLENOID RETURN
ENG FAN SOLENOID RETURN
ENG BRAKE SEL SW 1 ( 17% )
ENG BRAKE SEL SW 2 ( 33% )
ENG BRAKE SEL SW 3 ( 50% )
REMOTE PTO ENABLE
TACHOGRAPH
CRUISE CONTROL RES / ACCEL
CRUISE CONTROL SET / COAST
CRUISE CONTROL ON / OFF
IDLE VALIDATION, ON IDLE
IDLE VALIDATION, OFF IDLE
ACCEL POSITION RETURN
CAB ACCEL POSITION
ACCEL POSITION SUPPLY
OEM TEMPERATURE
DIAGNOSTIC SWITCH
MANUAL FAN OVERRIDE SW
IGNITION KEY SWITCH
OEM PRESSURE
CENTINEL-MAKEUP TANK SW
SERVICE BRAKE
SWITCH RETURN
OBD LAMP
AMBIENT AIR TEMPERATURE
STOP ENGINE LAMP ( RED )
CHECK ENGINE LAMP ( AMBER )
IDLE SHTDN - RELAY
J1587 / 1708 ( - ) DATA LINK
J1587 / 1708 ( + ) DATA LINK
TACHOMETER OUPUT DRIVER
OEM / E NGINE SENSOR RETURN
MAX ENGINE SPEED
WAIT TO START
GRID HEATER / ETHER START
FAN CLUTCH SOL VALVE
VSS ( - ) INPUT SIGNAL
VSS ( + ) INPUT SIGNAL
CLUTCH SWITCH
ECM RETURN
A / C PRESSURE SWITCH
LOW COOLANT LEVEL
STARTER LOCKOUT
J1939 ( SHIELD / DRAIN )
J1939 ( L ) DATA LINK
J1939 ( H ) DATA LINK
P101-2
13 3
26
21
33
29
18
8
7
4
30
24
25
16
11
1
23
9
22
31
2
17
39
35
12
5
34
45
19
43
44
48
20
10
41
32
14
50
40
38
36
27
15
42
6
28
49
37
47
46
P102-2
3 4 1
2
J107-2
1 2
P107-2
AB
T101-2
1
ECM SWITCH RETURN
REMOTE ACCEL ENABLE
REMOTE ACCEL POSITION SENSE
REMOTE ACCEL SENSOR SUPPLY
REMOTE ACCEL SENSOR RETURN
SWITCHED POWER
REMOTE PTO INTERLOCK
TORQUE LIMIT SWITCH
CHASSIS GROUND
J103-2
AB
J111-2
8
9
3
12
4
10
11
7
6
P111-2
6
7
11
10
4
12
3
9
8
P104-1
AB
P103-5
26 25 4
10
1
6
5
9
32
P114-2
BA
P115-2
ABC
P108
ABC
1
J106
P105-1
AB
1
J108-2
S103-2
S106-2
S101-3
S111-4
R101-2
2
1
J101-2
1
2
T102-3
1
T105
1
T103
T106
1
T104
T107
E1-2 , WHT
1
1
1
Schematic - 379 Model Family ElectricalP94-6023C78

79. ENGINE - CUM ISX
PRP4931-3
XMSN TEMP
SENSOR
ENGINE FAN
SOLENOID
( 12V = FAN OFF )
E1
SPARE
ENGINE
E2
SPARE
ENGINE
CLUTCH
SWITCH
TO MAIN CAB
HARNESS
ELEC ENGINE
CAB HARNESS
STARTER
RELAY COIL
GRA3191-4
GRA3195-4
GRA2415-18GRA2415-18
BLU3146-3
GRA3510-5
BLU3142-3BLU3142-3
GRA3131-8GRA3131-8
GRA3162-3GRA3162-3
GRA3161-3GRA3161-3
GRA3163-3
BLU4522-6
E2-3 , WHT
E1-3 , WHT
YEL7111-5
ORN1220-6
GRN3117-8
GRA3511-8
A / C COMPRESSOR
CLUTCH
ENGINE
HARNESS
ENGINE
HARNESS
VEHICLE
SPEED SENSOR
( ECU )
GRA3192-5
BLU3145-3
GRA3511-8
GRA3192-5
PRP4931-3
BLU3146-3
BLU3145-3
GRA3163-3
ENGINE
HARNESS
ENGINE
HARNESS
PRP3143-5
BLU3144-4
ORN3142-3
GRN3142-3
GRA3193-5
ORN3142-3
GRN3142-3
PRP3144-3
GRA3195-4
GRA3193-5
PRP3143-5
BLU3144-4
PRP3144-3
FOR MANUAL XMSN
ORN3100-7
ORN1220-6
E2-3, WHT
FIREWALL
ENGINE
SIDE
CAB
SIDE
FIREWALL
ENGINE
SIDE
CAB
SIDE
GRA3191-4
GRN3117-8
GRA3510-5
ENG BRAKE 1 ( MED-HIGH )
ENG BRAKE 2 ( LOW-HIGH )
REMOTE PTO ENABLE
REMOTE PTO INTERLOCK
CRUISE CONTROL RES / ACCEL
CRUISE CONTROL SET / COAST
CRUISE CONTROL ON / OFF
IDLE VALIDATION, ON IDLE
IDLE VALIDATION, OFF IDLE
ACCEL POSITION RETURN
CAB ACCEL POSITION
ACCEL POSITION SUPPLY
MANUAL FAN OVERRIDE SW
J1587 / 1708 ( + ) DATA LINK
AMMETER INPUT
AMMETER RETURN
AMMETER +5V FEED
J1587 / 1708 ( - ) DATA LINK
PYROMETER INPUT
SWITCH RETURN
SERVICE BRAKE
IGNITION KEY SWITCH
DIAGNOSTIC SWITCH
SAE J1939
DATA LINK
TERMINATING
RESISTOR
WHT3110-20
RW3111-6
WHT3110-20
TO
CUMMINS CM870
ENGINE CONTROL
MODULE
GRN4140-23
J1939 DATALINK ( + )
J1939 DATALINK ( - )
SPARE ENGINE CIRCUIT # 1
TRANSMISSION OIL TEMP
TRANSMISSION OIL TEMP RETURN
A / C CLUTCH
STARTER RELAY COIL
SWITCHED POWER
SPARE ENGINE CIRCUIT # 2
BLU4585-5
GRN4140-25
RED1930-7
AMMETER PYROMETER
PYROMETER RETURN
BLU4529-10
GRN4140-20
GRN4140-20
BLU4529-10
E1-3, WHT
ORN3100-7
ECM SWITCHED PWR
ECM SUPPLY RETURN
ECM SUPPLY ( + )
LVD
VOLTAGE
SENSE
RED1260-5
RED1260-5
LVD VOLTAGE SENSE
YEL7111-5
GRN3116-4
GRN3116-7
PRP0831-18
GRN0831-18
PRP0831-18
GRN0831-18
BLU3141-4
GRN3141-4
BLU3141-4
GRN3141-4
GRN3115-20
GRN3115-30
GRN3115-21
GRN3115-19
ORN3111-25
GRA3133-9GRA3133-10
GRA3133-8
WHT3110-31
WHT3110-30
WHT3110-32
WHT3110-34
ETHER
SOLONOID
COOLING
MODULE
HARNESS
PRP4562-10
GRA3170-3
GRN3115-25
PRP4562-10
GRA3170-3
GRN3116-8
GRN3117-9
GRA3930-5
GRN3117-9
GRA3930-5
TO
CUMMINS CM870
CONTROLLERECU POWER
FUSE HARNESS
PRIMING
PUMP
RW3111-7
WHT3110-33
ENGINE GROUND
BRN4311-4
BRN4312-4
BRN4311-4
BRN4312-4
CHECK ENGINE LAMP ( AMBER )
STOP ENGINE LAMP ( RED )
WHT3110-33
ENGINE HARNESS DUAL STATION CONTROLS
YEL0812-8
GRN0812-8
YEL0812-26
GRN0812-26
ORN3111-25
WAIT TO START
P119-3
AB AB P106-3
1
J104-3
1
J105-3
P110-4
B
A
P103-6
29 24
28
27
31
30
2
3
36
35
37
42
43
34
20
40
38
21
19
15
16
12
22
23
13
14
8
17
7
11
18
46
45
44
P109-4
AB
P101-3
13
3
26
21
33
29
18
8
7
4
30
24
25
16
11
1
23
9
22
31
2
17
39
35
12
5
34
45
19
43
44
48
20
10
41
32
14
50
40
38
36
27
15
42
6
28
49
37
47
46
P102-3
3 4 1
2
J107-3
1 2
P107-3
AB
T101-3
1
J103-3
AB
J111-3
8
9
3
12
4
10
11
7
6
P111-3
6
7
11
10
4
12
3
9
8
P103-6
26
25
4
10
1
6
5
P114-3
BA
P115-3
ABC
1
J108-3
S103-3
S106-3
S101-5
S111-5
P112-2
AB
J112-2
B A P117-2
BAED
P113
1 2
TORQUE LIMIT SWITCH
REMOTE ACCEL ENABLE
REMOTE ACCEL POSITION
OEM SENSOR SUPPLY ( + )
ETHER SOLENOID RETURN
ENG FAN SOLENOID RETURN
ENG BRAKE SEL SW 1 ( 17% )
ENG BRAKE SEL SW 2 ( 33% )
ENG BRAKE SEL SW 3 ( 50% )
REMOTE PTO ENABLE
TACHOGRAPH
CRUISE CONTROL RES / ACCEL
CRUISE CONTROL SET / COAST
CRUISE CONTROL ON / OFF
IDLE VALIDATION, ON IDLE
IDLE VALIDATION, OFF IDLE
ACCEL POSITION RETURN
CAB ACCEL POSITION
ACCEL POSITION SUPPLY
OEM TEMPERATURE
DIAGNOSTIC SWITCH
MANUAL FAN OVERRIDE SW
IGNITION KEY SWITCH
OEM PRESSURE
CENTINEL-MAKEUP TANK SW
SERVICE BRAKE
SWITCH RETURN
OBD LAMP
AMBIENT AIR TEMPERATURE
STOP ENGINE LAMP ( RED )
CHECK ENGINE LAMP ( AMBER )
IDLE S HTDN-RELAY
J1587 / 1708 ( - ) DATA LINK
J1587 / 1708 ( + ) DATA LINK
TACHOMETER OUPUT DRIVER
OEM / ENGINE SENSOR RETURN
MAX ENGINE SPEED
WAIT TO START
GRID HEATER / ETHER START
FAN CLUTCH SOL VALVE
VSS ( - ) INPUT SIGNAL
VSS ( + ) INPUT SIGNAL
CLUTCH SWITCH
ECM RETURN
A / C PRESSURE SWITCH
LOW COOLANT LEVEL
STARTER LOCKOUT
J1939 ( SHIELD / DRAIN )
J1939 ( L ) DATA LINK
J1939 ( H ) DATA LINK
ECM SWITCH RETURN
REMOTE ACCEL ENABLE
REMOTE ACCEL POSITION SENSE
REMOTE ACCEL SENSOR SUPPLY
REMOTE ACCEL SENSOR RETURN
SWITCHED POWER
REMOTE PTO INTERLOCK
TORQUE LIMIT SWITCH
CHASSIS GROUND
R101-3
2
1
J101-3
1
2
Schematic - 379 Model Family ElectricalP94-6023C79

80. ENGINE - CUM ISM ( BJ SERVICES )
ENGINE FAN
SOLENOID
CLUTCH
SWITCH
TO
ELEC ENGINE
CAB HARNESS
GRA3191-5
GRA3195-5
GRA3170-8
BLU3141-5
GRN3141-5
GRA3930-10
ETHER
SOLENOID
ENGINE
HARNESS
ENGINE
HARNESS
VEHICLE
SPEED SENSOR
( ECU )
ENGINE
HARNESS
PRP3143-7
BLU3144-8
GRA3193-7
PRP3144-6
GRA3193-7
PRP3143-7
BLU3144-8
PRP3144-6
FOR MANUAL XMSN
COOLING
MODULE
HARNESS
FIREWALL
ENGINE
SIDE
CAB
SIDE
GRN3117-15
GRN3118-0
GRN3118-0
GRN3117-15
GRA3930-10
GRA3191-5
GRN3141-5
BLU3141-5
GRA3195-5
TO
CUMMINS CM870
CONTROLLER
TO
CUMMINS CM870
CONTROLLER
PTO 1 REMOTE
STATION CONTROL
GRA3170-8
MAG SW
POWER
AMMETER INPUT
AMMETER RETURN
AMETER +5V FEED
J1939 DATA LINK ( - )
J1939 DATA LINK ( + )
J1587 DATA LINK ( + )
J1587 DATA LINK ( - )
SWITCH RETURN
SERVICE BRAKE
MAG SWITCH
IGNITION KEY SWITCH
MANUAL FAN OVERRIDE SW
ACCEL POSITION SUPPLY
CAB ACCEL POSITION
ACCEL POSITION RETURN
IDLE VALIDATIO , OFF
IDLE VALIDATION , ON
CRUISE ON / OFF
CRUISE SET / COAST
CRUISE RESET / ACCEL
REMOTE PTO INTERLOCK
REMOTE PTO ENABLE
ENGINE BRAKE # 2 ( LOW / HIGH )
ENGINE BRAKE # 1 ( MED / HIGH )
REMOTE START / RUN
REMOTE START / RUN
DIAGNOSTIC SWITCH
MAX SPEED SWITCH
AMMETER PYROMETER
LVD
VOLTAGE
SENSE
PYROMETER INPUT
PYROMETER RETURN
LVD VOLTAGE SENSE
YEL0812-15
GRN0812-15
PRP4562-15
PRP4562-15
GRA3183-5
GRA3183-5
GRN3116-6
GRN3116-10
GRN3116-16
PRP0831-22
GRN0831-22
PRP0831-21
GRN0831-21
PRP0831-23
GRN0831-23
GRN3115-26
GRN3115-28
GRN3115-27
GRA2415-2GRA2415-2
ORN3111-10
GRA3192-3 GRA3192-3
PRP3184-2 PRP3184-2
ORN3142-5ORN3142-5
BLU3142-5
GRN3142-5
BLU3142-5
GRN3142-5
BLU3146-5
BLU3145-6
GRA3161-5
GRA3162-5
GRA3163-5
BLU3146-5
BLU3145-6
GRA3161-5
GRA3162-5
GRA3163-5
GRA3511-10
GRA3133-21GRA3133-22
GRA3133-20
GRA3131-10 GRA3131-10
GRA3511-10
WHT3110-57
RW3111-10
WHT3110-55
GRN3115-31
ORN3100-57
GRA3510-7
GRA3913-6
BLK3913-2
RW1260-10
RW1260-10
GRA3124-1
ORN3111-30
BLK3913-2
GRA3913-6
GRN4140-19
GRN4140-19
BLU4529-5
BLU4529-5
ORN3111-30
YEL0812-22
GRN0812-22
RED1930-27
GRN4140-36
BLU4585-17
RED1930-27
GRN4140-36
BLU4585-17
YEL0812-15
GRN0812-15
WHT3110-57
RW3111-10
ORN3111-10
BRN4311-3
BRN4312-3
BRN4311-3
BRN4312-3
GRN0812-22
YEL0812-22
CHECK ENGINE LAMP ( AMBER )
STOP ENGINE LAMP ( RED )
WHT3110-55
WAIT TO START
GRN3115-67
P119-4
AB AB P106-4
TORQUE LIMIT SWITCH
REMOTE ACCEL ENABLE
REMOTE ACCEL POSITION
OEM SENSOR SUPPLY ( + )
OBD LAMP
AMBIENT AIR TEMPERATURE
ENG BRAKE SEL SW 1 ( 17% )
ENG BRAKE SEL SW 2 ( 33% )
ENG BRAKE SEL SW 3 ( 50% )
REMOTE PTO ENABLE
TACHOGRAPH
CRUISE CONTROL RES / ACCEL
CRUISE CONTROL SET / COAST
CRUISE CONTROL ON / OFF
IDLE VALIDATION , ON IDLE
IDLE VALIDATION , OFF IDLE
ACCEL POSITION RETURN
CAB ACCEL POSITION
ACCEL POSITION SUPPLY
OEM TEMPERATURE
DIAGNOSTIC SWITCH
MANUAL FAN OVERRIDE SW
IGNITION KEY SWITCH
OEM PRESSURE
CENTINEL-MAKEUP TANK SW
SERVICE BRAKE
SWITCH RETURN
ETHER SOLENOID RETURN
ENG FAN SOLENOID RETURN
STOP ENGINE LAMP ( RED )
CHECK ENGINE LAMP ( AMBER )
IDLE SHTDN-RELAY
J1587 / 1708 ( - ) DATA LINK
J1587 / 1708 ( + ) DATA LINK
TACHOMETER OUPUT DRIVER
OEM / ENGINE SENSOR RETURN
MAX ENGINE SPEED
WAIT TO START
ETHER START
FAN CLUTCH SOL VALVE
VSS ( - ) INPUT SIGNAL
VSS ( + ) INPUT SIGNAL
CLUTCH SWITCH
ECM RETURN
A / C PRESSURE SWITCH
J1939 ( SHIELD / DRAIN )
J1939 ( L ) DATA LINK
J1939 ( H ) DATA LINK
STARTER LOCKOUT
ECM RETURN
ECM SUPPLY ( + )
ECM RETURN
ECM SUPPLY ( + )
ECM SUPPLY RETURN
P101-4
13
3
26
21
45
19
18
8
7
4
30
24
25
16
11
1
23
9
22
31
2
17
39
35
12
5
34
33
29
43
44
48
20
10
41
32
14
50
40
38
36
27
15
6
28
37
47
46
49
42
P107-4
BA
ECM SWITCH RETURN
REMOTE ACCEL ENABLE
REMOTE ACCEL POSITION SENSE
REMOTE ACCEL SENSOR SUPPLY
REMOTE ACCEL SENSOR RETURN
SWITCHED POWER
REMOTE PTO INTERLOCK
TORQUE LIMIT SWITCH
CHASSIS GROUND
P112-4
BA
J112-4
A B
P117-4
BEDA
P102-4
3
2
4
1
P111-4
6
7
11
10
4
12
3
9
8
J111-4
8
9
3
12
4
10
11
7
6
T102
1
P114-4
BAP115-5
ABC
J108-4
1
P103-7
29
24
28
30
31
2
3
9
36
35
42
43
34
20
40
16
21
19
15
27
12
22
23
13
14
8
17
7
11
18
32
45
44
46
41
33
38
SH 81 , REFDES R101-4 , NODE 2 SH 81 , REFDES R101-4 , NODE 1
S107-3
S117-2
S118-2
SH 81 , REFDES J119 , NODE 10 SH 81 , REFDES J119 , NODE 9
S114-1
SH 81 , REFDES P120 , NODE 30
S101-4
SH 81 , REFDES T101-4 , NODE 1 SH 81 , REFDES J107-4 , NODE 2 SH 81 , REFDES S111-6 , NODE 1 SH 81 , REFDES P103-8 , NODE 1 SH 81 , REFDES S104-2 , NODE 1 SH 81 , REFDES S106-4 , NODE 1 SH 81 , REFDES S115-2 , NODE 1 SH 81 , REFDES S113-2 , NODE 1 SH 81 , REFDES S112-3 , NODE 1
Schematic - 379 Model Family Electrical P94-6023C80

81. CONTINUED - CUM ISM ENGINE ( BJ SERVICES )
XMSN TEMP
SENSOR
E1 SPARE
ENGINE
CIRCUIT
E2 SPARE
ENGINE
CIRCUIT
TO MAIN CAB
HARNESS
A / C
COMPRESSOR
CLUTCH }
ENGINE
GROUND
STUD
ENGINE
HARNESS
SAE J1939 DATA
LINK TERMINATING
RESISTOR
FIREWALL
ENGINE
SIDE
CAB
SIDE
TO ECU
POWER FUSE
HARNESS
STARTER
RELAY COIL
PTO 2 REMOTE
STATION CONTROL
YEL0812-15
GRN0812-15
PRP0831-21
PRP0831-21
GRN0831-21
GRN0831-21
REMOTE RUN
REMOTE START
ORN3111-10
ORN3111-10
WHT3110-57
WHT3110-57
RW3111-10
WHT3110-55
RW3111-10
ORN3100-57
ORN3100-57
GRA3913-4
GRA3913-3
GRA3913-6
BLK3913-1
BLK3913-2
BLK3913-0
ORN3111-29
ORN3111-30
ORN3111-28
YEL0812-22
GRN0812-22
ORN3111-34
ORN1220-25
ORN3111-34
ORN1220-37
ORN1220-27
ORN1220-26
ORN1220-25
WHT3110-36
WHT3110-38
WHT3110-39
YEL7111-10
GRN4140-34
BLU4522-23
BLU4522-23
GRN4140-34
YEL7111-10
E2-4
E1-4
YEL0812-35
GRN0812-35
YEL0812-34
GRN0812-34
YEL0812-34
GRN0812-34
YEL0812-15
GRN0812-15
P103-8
26
25
4
10
1
6
5
1 J104-4
1 J105-4
P110-5
B A
P109-5
A
B
J107-4
1 2T101-4
1
J103-4
A
B
J119
12
11
5
10
9
7
8
6
S113-2
SH 80 , REFDES P101-4 , NODE 46 SH 80 , REFDES P101-4 , NODE 47
S112-3
SH 80 , REFDES S117-2 , NODE 1 SH 80 , REFDES S118-2 , NODE 1
P120
87A
86
85
87
30 87A
87
86
30
85
P121 87A
30
87
85
86 87A
87
86
30
85
SH 80 , REFDES P101-4 , NODE 39 SH 80 , REFDES P102-4 , NODE 1 SH 80 , REFDES P102-4 , NODE 4
S111-6
SH 80 , REFDES P111-4 , NODE 8 SH 80 , REFDES P111-4 , NODE 7
S104-2
SH 80 , REFDES P103-7 , NODE 33
S106-4
SH 80 , REFDES P103-7 , NODE 41
S115-2
SH 80 , REFDES P103-7 , NODE 21
SH 80 , REFDES P103-7 , NODE 31 SH 80 , REFDES P103-7 , NODE 30
S119-2
R101-4
2
1
J101-4
1
2
Schematic - 379 Model Family ElectricalP94-6023C81

82. ENGINE - CUM ISM ( BJ SERVICES )CLUTCH
SWITCH
TO
ELEC ENGINE
CAB HARNESS
GRA3191-8
GRA3195-8
GRA3170-15
GRA3930-8
ENGINE
HARNESS
ENGINE
HARNESS
ENGINE
HARNESS
PRP3143-4
GRA3193-4
GRA3193-4
PRP3143-4
COOLING
MODULE
HARNESS
FIREWALL
ENGINE
SIDE
CAB
SIDE
GRN3117-10
GRN3118-6
GRN3118-6
GRN3117-10
GRA3930-8
GRA3191-8
GRA3195-8
TO
CUMMINS CM870
CONTROLLER
TO
CUMMINS CM870
CONTROLLER
PTO 1 REMOTE
STATION CONTROL
GRA3170-15
MAG SW
POWER
AMMETER INPUT
AMMETER RETURN
AMETER +5V FEED
J1939 DATA LINK ( - )
J1939 DATA LINK ( + )
J1587 DATA LINK ( + )
J1587 DATA LINK ( - )
SWITCH RETURN
SERVICE BRAKE
MAG SWITCH
IGNITION KEY SWITCH
MANUAL FAN OVERRIDE SW
ACCEL POSITION SUPPLY
CAB ACCEL POSITION
ACCEL POSITION RETURN
IDLE VALIDATION, OFF
IDLE VALIDATION, ON
CRUISE ON / OFF
CRUISE SET / COAST
CRUISE RESET / ACCEL
REMOTE PTO INTERLOCK
REMOTE PTO ENABLE
ENGINE BRAKE # 2 ( LOW / HIGH )
ENGINE BRAKE # 1 ( MED / HIGH )
REMOTE START / RUN
REMOTE START / RUN
DIAGNOSTIC SWITCH
MAX SPEED SWITCH
AMMETER PYROMETER
LVD
VOLTAGE
SENSE
PYROMETER INPUT
PYROMETER RETURN
LVD VOLTAGE SENSE
PRP4562-3
PRP4562-3
GRA3183-7
GRA3183-7
GRN3116-15
GRN3116-12
GRN3115-16
GRN3115-40
GRN3115-29
GRA2415-7GRA2415-7
GRA3192-7 GRA3192-7
PRP3184-8 PRP3184-8
BLU3142-12BLU3142-12
BLU3146-14
BLU3145-10
GRA3161-10
GRA3162-10
GRA3163-10
BLU3146-14
BLU3145-10
GRA3161-10
GRA3162-10
GRA3163-10
GRA3511-11
GRA3133-15GRA3133-16
GRA3133-11
GRA3131-11 GRA3131-11
GRA3511-11
GRN3115-24
BLU4522-8
RED1260-15
RED1260-15
GRA3124-2
GRN4140-32
GRN4140-32
BLU4529-7
BLU4529-7
RED1930-33
GRN4140-30
BLU4585-4
RED1930-33
GRN4140-30
BLU4585-4
ENGINE FAN
SOLENOID
VEHICLE
SPEED SENSOR
( ECU )
FOR MANUAL XMSN
ETHER
SOLENOID
GRN0812-24
GRN0812-24
BLU3141-6
GRN3141-6
BLU3141-6
GRN3141-6
GRN0831-28
PRP0831-28 PRP0831-29
GRN0831-29
GRN3142-10
ORN3142-10ORN3142-10
GRN3142-10
GRN3116-17
PRP3144-7
BLU3144-7
BLU3144-7
PRP3144-7
RW3111-16
WHT3110-43
ORN3100-34
BLU4522-8
ORN3100-34
RW3111-16
WHT3110-43
GRN0812-11
YEL0812-24
YEL0812-11
YEL0812-24
GRN0812-11
YEL0812-11
ORN3111-31
GRN0831-25
PRP0831-25
BLK3913-20
GRA3913-20
BLK3913-20
GRA3913-20
ORN3111-31
WHT3110-46
WHT3110-46
BRN4311-2
BRN4312-2
BRN4311-2
BRN4312-2
CHECK ENGINE LAMP ( AMBER )
STOP ENGINE LAMP ( RED )
ORN3111-5
WAIT TO START
GRN3115-68
AB P106-5
P101-5
13
3
26
21
45
19
18
8
7
4
30
24
25
16
11
1
23
9
22
31
2
17
39
35
12
5
34
33
29
43
44
48
20
10
41
32
14
50
40
38
36
27
15
6
28
37
47
46
49
42
P107-5
BA
P112-5
BA
J112-5
A B
P117-5
BEDA
P102-5
3
2
4
1
P111-5
6
7
11
10
4
12
3
9
8
J111-5
8
9
3
12
4
10
11
7
6
T102-1
1
P114-5
BAP115-4
ABC
J108-5
1
P103-10
29
24
28
30
31
2
3
9
36
35
42
43
34
20
40
16
21
19
15
27
12
22
23
13
14
8
17
7
11
18
32
45
44
46
41
33
38
S107-5
S117-3
S118-3
S114-2
S101-6
TORQUE LIMIT SWITCH
REMOTE ACCEL ENABLE
REMOTE ACCEL POSITION
OEM SENSOR SUPPLY ( + )
OBD LAMP
AMBIENT AIR TEMPERATURE
ENG BRAKE SEL SW 1 ( 17% )
ENG BRAKE SEL SW 2 ( 33% )
ENG BRAKE SEL SW 3 ( 50% )
REMOTE PTO ENABLE
TACHOGRAPH
CRUISE CONTROL RES / ACCEL
CRUISE CONTROL SET / COAST
CRUISE CONTROL ON / OFF
IDLE VALIDATION, ON IDLE
IDLE VALIDATION, OFF IDLE
ACCEL POSITION RETURN
CAB ACCEL POSITION
ACCEL POSITION SUPPLY
OEM TEMPERATURE
DIAGNOSTIC SWITCH
MANUAL FAN OVERRIDE SW
IGNITION KEY SWITCH
OEM PRESSURE
CENTINEL-MAKEUP TANK SW
SERVICE BRAKE
SWITCH RETURN
ETHER SOLENOID RETURN
ENG FAN SOLENOID RETURN
STOP ENGINE LAMP ( RED )
CHECK ENGINE LAMP ( AMBER )
IDLE SHTDN-RELAY
J1587 / 1708 ( - ) DATA LINK
J1587 / 1708 ( + ) DATA LINK
TACHOMETER OUPUT DRIVER
OEM / ENGINE SENSOR RETURN
MAX ENGINE SPEED
WAIT TO START
ETHER START
FAN CLUTCH SOL VALVE
VSS ( - ) INPUT SIGNAL
VSS ( + ) INPUT SIGNAL
CLUTCH SWITCH
A / C PRESSURE SWITCH
LOW COOLANT SENSOR
J1939 ( SHIELD / DRAIN )
J1939 ( L ) DATA LINK
J1939 ( H ) DATA LINK
STARTER LOCKOUT
ECM RETURN
ECM SUPPLY ( + )
ECM RETURN
ECM SUPPLY ( + )
ECM SUPPLY RETURN
P119-5
AB
SH 83 , REFDES R101-6 , NODE 1 SH 83 , REFDES J107-5 , NODE 2 SH 83 , REFDES S111-7 , NODE 1 SH 83 , REFDES P103-9 , NODE 1 SH 83 , REFDES S112-4 , NODE 1 SH 83 , REFDES R101-6 , NODE 2 SH 83 , REFDES S113-3 , NODE 1 SH 83 , REFDES P120-1, NODE 30SH 83 , REFDES J119-1, NODE 9 SH 83 , REFDES J119-1, NODE 10 SH 83 , REFDES S106-5 , NODE 1 SH 83 , REFDES S104-3 , NODE 1 SH 83 , REFDES T101-5 , NODE 1
SH 83 , REFDES S115-3 , NODE 1
Schematic - 379 Model Family ElectricalP94-6023C82

83. CONTINUED - CUM ISM ENGINE ( BJ SERVICES )
XMSN TEMP
SENSOR
E1 SPARE
ENGINE
CIRCUIT
E2 SPARE
ENGINE
CIRCUIT
TO MAIN CAB
HARNESS
A / C
COMPRESSOR
CLUTCH }
ENGINE
GROUND
STUD
ENGINE
HARNESS
SAE J1939 DATA
LINK TERMINATING
RESISTOR
FIREWALL
ENGINE
SIDE
CAB
SIDE
TO ECU
POWER FUSE
HARNESS
STARTER
RELAY
COIL
PTO 2 REMOTE
STATION CONTROL
REMOTE RUN
REMOTE START
GRA3913-12
GRA3913-13
BLK3913-17
BLK3913-18
ORN3111-26
ORN3111-35
ORN3111-36
ORN1220-35
ORN3111-36
ORN1220-34
ORN1220-23
ORN1220-39
ORN1220-35
WHT3110-50
GRN4140-39
YEL7110-4
GRN4140-24
BLU4522-7
BLU4522-7
GRN4140-24
YEL7110-4
E2-5
E1-5
YEL0812-28
GRN0812-28
GRN0812-24
RW3111-16
WHT3110-43
ORN3100-34
ORN3100-34
GRN0812-11
YEL0812-24
YEL0812-11
ORN3111-31
GRN0831-25
PRP0831-25
BLK3913-20
GRA3913-20
ORN3111-31
WHT3110-46
WHT3110-46
PRIMING
PUMP
RW3111-9
WHT3110-48
WHT3110-47
RW3111-9
RW3111-16
PRP0831-25
GRN0831-25 ORN3111-5
YEL0812-24
GRN0812-24
YEL0812-27
GRN0812-27
P103-9
26
25
4
10
1
6
5
1 J104-5
1 J105-5
P110-6
B A
P109-6
A
B
J107-5
1 2T101-5
1
J103-5
A
B
J119-1
12
11
5
10
9
7
8
6
S113-3
S112-4
P120-1
87A
86
85
87
30 87A
87
86
30
85
P121-1
87A
30
87
85
86 87A
87
86
30
85
S111-7
S104-3
S106-5
S115-3
S119-3
SH 82 , REFDES P101-5, NODE 47 SH 82 , REFDES P102-5, NODE 4 SH 82 , REFDES P111-5, NODE 8 SH 82 , REFDES P111-5, NODE 7 SH 82 , REFDES P103-10 , NODE 30 SH 82, REFDES P101-5, NODE 46 SH 82 , REFDES P103-10 , NODE 31 SH 82 , REFDES P101-5 , NODE 39SH 82 , REFDES S118-3, NODE 1 SH 82 , REFDES S117-3, NODE 1 SH 82 , REFDES P103-10 , NODE 41 SH 82 , REFDES P103-10 , NODE 33 SH 82 , REFDES P102-5, NODE 1
P113-1
1 2
SH 82 , REFDES P103-10 , NODE 21
R101-6
2
1
J101-6
1
2
Schematic - 379 Model Family ElectricalP94-6023C83

84. GRA3133-14
ENGINE FAN
SOLENOID
CLUTCH
SWITCH
TO
ELEC ENGINE
CAB HARNESS
GRA3191-10
GRA3195-10
GRA3170-19
BLU3141-10
GRA3930-15
GRA3133-18
PRP4562-20
ETHER
SOLENOID
ENGINE
HARNESS
ENGINE
HARNESS
VEHICLE
SPEED SENSOR
( ECU )
ENGINE
HARNESS
PRP3143-9
BLU3144-9
GRA3193-11
PRP3144-5
GRA3193-11
PRP3143-9
BLU3144-9
PRP3144-5
FOR MANUAL XMSN
COOLING
MODULE
HARNESS
FIREWALL
ENGINE
SIDE
CAB
SIDE
GRN3117-13
GRN3117-14
GRN3117-14
GRN3117-13
GRA3930-15
GRA3191-10
BLU3141-10
GRA3195-10
TO
CUMMINS CM870
CONTROLLER
TO
CUMMINS CM870
CONTROLLER
PTO 1 REMOTE
STATION CONTROL
PRP4562-20
GRA3170-19
AMMETER INPUT
AMMETER RETURN
AMETER +5V FEED
J1939 DATA LINK ( - )
J1939 DATA LINK ( + )
J1587 DATA LINK ( + )
J1587 DATA LINK ( - )
SWITCH RETURN
SERVICE BRAKE
MAG SWITCH
IGNITION KEY SWITCH
MANUAL FAN OVERRIDE SW
ACCEL POSITION SUPPLY
CAB ACCEL POSITION
ACCEL POSITION RETURN
IDLE VALIDATION, OFF
IDLE VALIDATION, ON
CRUISE ON / OFF
CRUISE SET / COAST
CRUISE RESET / ACCEL
REMOTE PTO INTERLOCK
REMOTE PTO ENABLE
ENGINE BRAKE # 2 ( LOW / HIGH )
ENGINE BRAKE # 1 ( MED / HIGH )
REMOTE START / RUN
REMOTE START / RUN
DIAGNOSTIC SWITCH
MAX SPEED SWITCH
AMMETER PYROMETER
LVD
VOLTAGE
SENSE
PYROMETER INPUT
PYROMETER RETURN
LVD VOLTAGE SENSE
CHECK ENGINE LAMP
STOP ENGINE LAMP
ENGINE - CUM ISX ( BJ SERVICES )
RW3111-11
WHT3110-35
WHT3110-35
RW3111-11
WHT3110-22
WHT3110-22
ORN3111-38
ORN3111-38
BLK3913-3
BLK3913-3
YEL0812-30
GRN0812-30
YEL0812-30
GRN0812-30
GRN3141-10
GRN3141-10
PRP0831-34
GRN0831-34
GRN3116-18
GRN3116-21
GRN3116-22
RED1260-18
RED1260-18
GRN3115-22
GRN3115-41
GRN3115-42
GRN3115-23
GRA3133-13
GRN4140-18
BLU4529-15
GRN4140-18
BLU4529-15
RED1930-10
GRN4140-21
BLU4585-7
BLU4585-7
GRN4140-21
RED1930-10
GRA3183-1
GRA3183-1
BRN4311-8
BRN4311-8
BRN4312-12
BRN4312-12
GRA2415-12
GRN3115-51
GRA2415-12
ORN3111-15
GRA3192-9 GRA3192-9
PRP3184-6 PRP3184-6
ORN3142-8
GRN3142-8
BLU3142-8BLU3142-8
ORN3142-8
GRN3142-8
BLU3146-8
BLU3145-8
GRA3161-9
GRA3162-9
GRA3163-9
BLU3146-8
BLU3145-8
GRA3161-9
GRA3162-9
GRA3163-9
GRA3511-9GRA3511-9
GRA3131-9GRA3131-9
ORN3111-15
GRN0812-23
YEL0812-23
GRN0812-23
YEL0812-23
PRP0831-30
GRN0831-30
PRP0831-31
GRN0831-31
ORN3100-25
ORN3100-25
GRA3510-6
GRA3510-6
WAIT TO START
GRA3913-5
GRA3124-10
P119-6
AB
AB
P106-6
TORQUE LIMIT SWITCH
REMOTE ACCEL ENABLE
REMOTE ACCEL POSITION
OEM SENSOR SUPPLY ( + )
OBD LAMP
AMBIENT AIR TEMPERATURE
ENG BRAKE SEL SW 1 ( 17% )
ENG BRAKE SEL SW 2 ( 33% )
ENG BRAKE SEL SW 3 ( 50% )
REMOTE PTO ENABLE
TACHOGRAPH
CRUISE CONTROL RES / ACCEL
CRUISE CONTROL SET / COAST
CRUISE CONTROL ON / OFF
IDLE VALIDATION, ON IDLE
IDLE VALIDATION, OFF IDLE
ACCEL POSITION RETURN
CAB ACCEL POSITION
ACCEL POSITION SUPPLY
OEM TEMPERATURE
DIAGNOSTIC SWITCH
MANUAL FAN OVERRIDE SW
IGNITION KEY SWITCH
OEM PRESSURE
CENTINEL-MAKEUP TANK SW
SERVICE BRAKE
SWITCH RETURN
ETHER SOLENOID RETURN
ENG FAN SOLENOID RETURN
STOP ENGINE LAMP ( RED )
CHECK ENGINE LAMP ( AMBER )
IDLE SHTDN-RELAY
J1587 / 1708 ( - ) DATA LINK
J1587 / 1708 ( + ) DATA LINK
TACHOMETER OUPUT DRIVER
OEM / ENGINE SENSOR RETURN
MAX ENGINE SPEED
WAIT TO START
ETHER START
FAN CLUTCH SOL VALVE
VSS ( - ) INPUT SIGNAL
VSS ( + ) INPUT SIGNAL
CLUTCH SWITCH
A / C PRESS SWITCH
LOW COOLANT
J1939 ( SHIELD / DRAIN )
J1939 ( L ) DATA LINK
J1939 ( H ) DATA LINK
STARTER LOCKOUT
ECM RETURN
ECM SUPPLY ( + )
ECM RETURN
ECM SUPPLY ( + )
ECM SUPPLY RETURN
P101-6
13
3
26
21
45
19
18
8
7
4
30
24
25
16
11
1
23
9
22
31
2
17
39
35
12
5
34
33
29
43
44
48
20
10
41
32
14
50
40
38
36
27
15
6
28
37
47
46
49
42
P107-6
BA
ECM SWITCH RETURN
REMOTE ACCEL ENABLE
REMOTE ACCEL POSITION SENSE
REMOTE ACCEL SENSOR SUPPLY
REMOTE ACCEL SENSOR RETURN
SWITCHED POWER
REMOTE PTO INTERLOCK
TORQUE LIMIT SWITCH
CHASSIS GROUND
P112-6
BA
J112-6
A B
P117-6
BEDA
P102-6
3
2
4
1
P111-6
6
7
11
10
4
12
3
9
8
P114-6
BAP115-6
ABC
J108-6
1
P103-11
29
24
28
30
31
2
3
9
36
35
42
43
34
20
40
16
21
19
15
27
12
22
23
13
14
8
17
7
11
18
32
45
44
46
41
33
38
SH 85 , REFDES J107-6 , NODE 2 SH 85 , REFDES S111-8 , NODE 1 SH 85 , REFDES T101-6 , NODE 1 SH 85 , REFDES S115-1, NODE 1 SH 85 , REFDES S106-6 , NODE 1SH 85 , REFDES R101-5 , NODE 2 SH 85 , REFDES R101-5 , NODE 1
S117-1
S118-1
S107-6
S114-3
S101-8
SH 85 , REFDES P120-2 , NODE 30 SH 85 , REFDES S112-2 , NODE 1 SH 85 , REFDES S113-1, NODE 1 SH 85 , REFDES J119-5 , NODE 10 SH 85 , REFDES J119-5 , NODE 9 SH 85 , REFDES P103-11, NODE 1
SH 85 , REFDES S104-4 SH 94 , REFDES
Schematic - 379 Model Family Electrical P94-6023C84

85. XMSN TEMP
SENSOR
E1 SPARE
ENGINE
CIRCUIT
E2 SPARE
ENGINE
CIRCUIT
TO MAIN CAB
HARNESS
WHT3110-45
A / C
COMPRESSOR
CLUTCH }
WHT3110-23
ENGINE
GROUND
STUD
ENGINE
HARNESS
SAE J1939 DATA
LINK TERMINATING
RESISTOR
FIREWALL
ENGINE
SIDE
CAB
SIDE
TO ECU
POWER FUSE
HARNESS
CHARGE / START
HARNESS
ORN1220-45
ORN1220-9
ORN1220-8
ORN3111-41
GRA3913-2
BLK3913-10
GRA3913-1
ORN1220-8
ORN3111-41
REMOTE RUN
REMOTE START
PTO 2 REMOTE
STATION CONTROL
TRANSMISSION OIL TEMP
TRANSMISSION OIL TEMP RETURN
A / C CLUTCH
STARTER RELAY COIL
SWITCHED POWER
SPARE ENGINE CIRCUIT # 2
SPARE ENGINE CIRCUIT # 1
PRIMING
PUMP
RW3111-13
RW3111-13
WHT3110-5
CONTINUED - CUM ISX ENGINE ( BJ SERVICES )
WHT3110-19
RW3111-11
WHT3110-35
RW3111-11
WHT3110-22
WHT3110-22
ORN3111-37
ORN3111-42
ORN3111-38
BLK3913-11
BLK3913-3
YEL0812-9
GRN0812-7
GRN0812-9
YEL0812-7
YEL0812-30 YEL0812-30
GRN0812-30 GRN0812-30
ORN3111-15
ORN3111-15
GRN0812-23
YEL0812-23
PRP0831-31
GRN0831-31
PRP0831-31
GRN0831-31
E1-7
E2-7
E1-7
E2-7
ORN1220-52
ORN3100-25
ORN3100-25
YEL7111-15
YEL7111-15
GRN4140-22
BLU4522-15
GRN4140-22
BLU4522-15
STARTER RELAY
COIL
GRA3913-5
1
J104-6
1
J105-6
P110-7
B A
P109-7
A
B
J107-6
1 2T101-6
1
J103-7
A
B
J119-5
12
11
5
10
9
7
8
6
P120-2
87A
86
85
87
30 87A
87
86
30
85
P121-2
87A
30
87
85
86 87A
87
86
30
85
P113-2
1 2
J101-5
1
2
R101-5
2
1
P103-11
26
25
4
10
1
6
5
S111-8
SH 84 , REFDES P102-6 , NODE 4 SH 84 , REFDES P111-6 , NODE 8 SH 84 , REFDES P102-6 , NODE 1
S115-1
SH 84 , REFDES P103-11, NODE 21
S106-6
SH 84 , REFDES P103-11, NODE 41
S104-4
S119-1
S113-1
S112-2
SH 84, REFDES P101-6 , NODE 46 SH 84, REFDES P101-6 , NODE 47 SH 84 , REFDES P101-6 , NODE 39SH 84 , REFDES P103-11, NODE 30 SH 84 , REFDES P103-11, NODE 31 SH 84 , REFDES S117-1, NODE 1 SH 84 , REFDES S118-1, NODE 1 SH 84 , REFDES P111-6 , NODE 7
SH 84 , REFDES P103-11
Schematic - 379 Model Family Electrical P94-6023C85

86. ENGINE ECU POWERECU
POWER
HARNESS
BATTERY
CABLE
JUMPER
POWER
FUSE
HARNESS
BATTERY
CABLE
JUMPER
POWER
FUSE
HARNESS
30
239-46
239-45
239-45
A30-5
30-2
239-43
CAT ENGINE
MATING CONNECTOR:
J107 FOR ALL ENGINES
A30-5
POWER
FUSE
HARNESS
BATTERY
CABLE
JUMPER
POWER
FUSE
HARNESS
B30-0
A30-0
30-9
30-8
30-3
30-4
STARTER
239-35
239-35
CUM ISX & CUM ISM ENGINES
MATING CONNECTOR:
J107 FOR ALL ENGINES
BATTERY
CABLE
JUMPER
POWER
FUSE
HARNESS
FUSE COVER
POWER
FUSE
HARNESS
A30-1
30-5
30-6
A30-1
30-5
STARTER
239-8
239-8
FUSE HOLDER
CUM ISC / ISL ENGINE
MATING CONNECTOR:
J107 FOR ALL ENGINES
( + ) ( - )
BATTERY
F6
30 AMP
J211-1
1
P211-11
P20-2
2
1
T2-2
1
T4-2
1
J212-2
1
P212-2
1
P44-1
AB
S40-1
( + ) ( - )
BATTERY
J77
F E D C B A
F06
30 AMP
F05
20 AMP
J211-3
1
P211-31
P20-3
1
2
T2-3
1
T4-3
1
S40-2
C
T31
S
T22
1
( + ) ( - )
BATTERY
J77-1
F E D C B A
F06-1
30 AMP
J211-4
1
P211-41
P20_c0
1
2
T2-4
1
T4-4
1
P20-4
1
2
C
T31-1
S
T22-1
1
Schematic - 379 Model Family ElectricalP94-6023C86

87. CHASSIS SPARE GROUNDS
SPARE
GND 2
SPARE
GND 1
WHT2400-25 WHT2400-26
FIREWALL
PASSTHROUGH
CONNECTOR
WHT2400-27 WHT2400-27 WHT2400-28
WHT1500-180
MAIN
GROUND
WHT1500-181
CAB
CHASSIS
FIREWALL
FIREWALL
J532
1
J528
1
S524-3
P521-9
F2
J2-12
F2
S21-25 S41-35
T5-32
1
Schematic - 379 Model Family ElectricalP94-6023C87

88. MAIN CAB SPARE RELAY
SPARE
RELAY
RLY7-87A
RLY7-30
RLY7-85
RLY7-87
RLY7-86
SPARE HALF
ISO RELAY
BRN2622-207
WHT0770-2
ORN0770-100
ORN0770-3A
WHT0770-1A
WHT0770-1
WHT0770-0
ORN0770-103
ORN0770-102
ORN0770-101
WHT0770-0
ORN0770-3A
WHT0770-1A
BRN2622-207
SPARE
DASH SWITCH
SPARE
POWER POINT
BACKLIGHTING
SPLICE PACK
OPTION
POWER
FIREWALL
86
87
87A
30
85
R16-1
P11
B
C
A
D
E87A-3
30-3
85-3
87-3
86-3
K16
J621_10
2B
7
10
3
8
9
P621_10
2 1
T621_10
1
J623_c0
1
J622_10
C
B
A
D
E
F
S621_10
9
3
1
6
4
10
7
2B
5B
8
B
A
Schematic - 379 Model Family Electrical P94-6023C88

89. CHASSIS SENSOR ADD-ON - TRANSFER CASE OIL TEMP / BRAKESAVER OIL TEMP
GENERAL OIL TEMP / AUX XSMN OIL TEMP # 3 / PTO OIL TEMP
BLU4539-0
GRN4140-60
BLU4538-0
GRN4140-61
BLU4537-0
GRN4140-62
BLU4536-0
BLU4534-0
BLU4539-0
BLU4538-0
BLU4537-0
BLU4536-0
BLU4534-0
TRANSFER CASE
OIL TEMP
BRAKESAVER
OIL TEMP
GENERAL
OIL TEMP
AUX XMISSN
OIL TEMP # 3
PTO OIL
TEMP
TRANSFER CASE OIL TEMP
ANALOG RETURN
BRAKESAVER OIL TEMP
GENERAL OIL TEMP
AUX XSMN OIL TEMP # 3
PTO OIL TEMP
ANALOG RETURN
CHASSIS
FIREWALL
BLU4539-30
GRN4140-55
BLU4538-10
BLU4537-10
BLU4536-10
BLU4534-10
GRN4140-57
CHASSIS SENSOR
ADD-ON
CONNECTOR
BLU4539-30
GRN4140-55
BLU4538-10
BLU4537-10
BLU4536-10
BLU4534-10
GRN4140-57
GRN4140-59
GRN4140-64
GRN4140-63
CHASSIS
FIREWALL
( TOP )
( BOTTOM )
ANALOG RETURN
TRANSFER CASE OIL TEMP
BRAKESAVER OIL TEMP
GENERAL OIL TEMP
AUX XSMN OIL TEMP # 3
PTO OIL TEMP
J772
A
B
P772
B
A
J773
A
B
P773
B
A
J774
A
B
P774
B
A
J775
A
B
P775
B
A
J776
A
B
P776
B
A
P771
5E
4E
6D
7G
5A
5C
7A
7F
5G
6E
4D
7B
J2-13
B7
E4
G7
C5
F7
E2
E6
SH 46 , REFDES J31, NODE 26 SH 46 , REFDES S79 , NODE 1 SH 46 , REFDES J31, NODE 24 SH 46 , REFDES J31, NODE 20 SH 46 , REFDES J31, NODE 19 SH 46 , REFDES J31, NODE 3 SH 46 , REFDES S79 , NODE 1
S771
Schematic - 379 Model Family ElectricalP94-6023C89

90. FIREWALL
CAB ENGINE
ENGINE
START
ALARM
IGNITION BUS
RELAY NC
CAB THERMOSTAT -
MOUNTED IN SLEEPER
( INTERIOR )
CUMMINS ICON ECM
PARK BRAKE SW INPUT
ALARM OUTPUT
IGNITION RELAY OUTPUT
KEYSWITCH OUTPUT
STARTER RELAY OUTPUT
J1587 DATALINK ( + )
J1587 DATALINK ( - )
AMBIENT AIR
TEMP SENSOR -
MOUNTED UNDER CAB
( EXTERIOR )
HOOD TILT
SWITCH
PARK BRAKE SWITCH
POSITION INDICATES
PARK BRAKE RELEASED
SW3
NEUTRAL SWITCH
SHOWN IN GEAR
CUMMINS ISX / ISM
870 CONTROLLER
( 50 PIN )
WHT3110-6
RW3111-8
RW3111-24
RW3111-22
WHT1500-7
WHT1500-150
WHT1500-153
WHT1500-152
GRN0831-40
PRP0831-40
GRN0831-40
PRP0831-40
YEL3155-0
ICON LAMP
GRA3151-2
PRP3154-0
BATTERY INPUT ( - )
INTERLOCK INPUT
BATTERY INPUT ( + )
THERMOSTAT INPUT
INTERLOCK / SOURCE OUTPUT
DIAGNOSTIC LAMP OUTPUT
STARTER INPUT
KEYSWITCH INPUT
CAB CHASSIS
ORN3912-11
GRA3118-0GRA3118-1 GRA3118-0
GRA3118-1
BA
WHT3110-71
WHT3110-71
BRN4326-0
BRN4326-0
GRA3151-0
ORN3912-12
MAIN CAB HARNESS
ORN3912-12
GRA3151-1
GRA3514-0
GRA3514-1
GRA3514-3
RW3111
EXISTING
STARTER RELAY
NO
PRP3154-0
ORN1250-13
WHT1500-5
RW3111-20
RW3111-27
WHT3110-66
ELECTRONIC ENGINE
FIREWALL CONNECTOR
( 47 WAY )
ORN3111-32
ORN3912-13
ORN3912-10
ORN3912-10
YEL3155-0
CHARGE / START HARNESS
EXISTING ELECTRICAL SYSTEM
START
INTERRUPT
MAIN CAB HARNESS
WHT1500-151
GRA5951-0
GRA5951-0
BATTERY BOX
IGNITION SWITCH
ORN3912-22
ORN3912-22
ORN1250-37
ORN1250-24
RW3111-21
BLU4325-0
GRN4325-0
BRN3152-0
BRN3152-0
ORN1250-38
ORN1250-0
ORN1250-0
GRN4325-2
BLU4325-2
RW3111-26
WHT1500-6
ORN1250-14
PRP3154-1
IGNITION KEY SWITCH
START
IGNITION
A-2, BLK
A-3 , LT_BLU
A-1, RED
A-4 , LT_GRN
A-5 , YEL / BLK
A-6 , RED / BLK
A-8 , YEL / BLK
A-7 , ORN / BLK
B-2 , YEL
B-3 , BRN
B-4 , GRA
B-5 , PUR
B-6 , DK_BLU
B-7 , PNK
B-8 , TANBLK
WHT
RED
BLK
WHT
GRN
ENG RUN
POWER
INTERRUPT
START
INTERRUPT
ORN1250-36
MAIN ACC
RELAY
UNSWITCHED
POWER
SWITCHED POWER
RED1260-20
ORN1220-36
WHT1500-154
TO ACC RELAY
PIN 85-3
ORN1250-44
ORN3912-14
ORN1910-0
TO CKT BREAKERS
CB3, CB6
ORN1230-0
TO CKT BREAKER
CB5
ORN1250-28 ORN3111-33
ORN1250-45
ORN1250-46
TO ACC RELAY
PIN 86-3
WHT3110-66
STARTER
SOLENOID
SWITCH
A29-1
A29-1
ENGINE
HARNESS
NEUTRAL
START
TO GND
WHT3110-68
POWER
DISTRIBUTION
CENTER
31-4
WHT3110-68
GRN4325-0
BLU4325-0
31-4
ORN3912-9
ENG RUN
POWER
INTERRUPT
ORN1250-37
ORN1250-15
GRA5951-1
GRA5951-1
GRN4325-3
BLU4325-3
RW3111-25
WHT1500-15
ORN1250-17
PRP3154-3
RW3111-23
B
A
B
A
B
A
B
A
OCP
( OPTIONAL )
WHT3110-67
WHT3110-67
CUMMINS ICON2 IDLE CONTROL
ICONA
2
3
1
4
5
6
8
7
P742
7
8
6
5
4
1
3
2
P125
1
2
4
3
CNTRL
3
4
2
1
J124
3
1
TEMP
1
3
J741
8
7
6
5
4
3
2
1
ICONB
1
2
3
4
5
6
7
8
P753
B
A
P126
B
A
J747
C
D
PB
D
C
B01
SW1
P101-7
39
BAT
+-
J122
1
POS 1
NEG
1
P127
1
S742
S743
A
B
P745
J1587 / 1708
DATA LINK
JUNCTION BLOCK
A
BA
B
S746S747
P744 A
B
F2
5 AMP
86
87
87A
30
85
K741
85-1
30-1
87A-1
87-1
86-1
P747
P752
B
A
86
87
87A
30
85
K1
85-1
30-1
87A-1
87-1
86-1
J1
S741
P751
B
A
J280-1
A
B
J742
1
P18-1
1
J50-7
10
21
P103-12
21
10
P748
1
J28-1
1
J120
1
2
3
4
P750
4
3
2
1
P2-4
2 5 1 4 3 6
S744
J88
AB
P746
B A
86
87
87A
30
85
R13
85-1
30-1
87A-1
87-1
86-1
K13
2
AMPCB5-1
S3-2
T6
1
P110-8
B
A
J281-1
A
B
T8
1
J744
B A
P88
AB
S745
P749
1
J3-3
1
J743
1
P3-2 1
P122
6
5
4
3
2
1
J745
1
2
3
4
5
6
P123
1
2
3
4
5
6
J121
6
5
4
3
2
1
P128
BA
P282-1
A
B
SW20-1
TMP
1
2
J746
2
1
Schematic - 379 Model Family ElectricalP94-6023C90

91. ABS
ECU CONNECTOR
( X1 )
GRN0813-0
YEL0813-0
GRN0813-0
YEL0813-0
DIAGNOSTIC
CONNECTOR
YEL0810-10
GRN0810-3GRN0810-10
YEL0810-3 YEL0812-31
GRN0812-31GRN0810-4
YEL0810-4
GRN0813-11
YEL0813-11
TERMINATING
RESISTOR
J1939 / 15
YEL0811-1
GRN0811-1
ELECTRONIC
ENGINE ECU
SAE J1939
DATA LINK
TERMINATING
RESISTOR
YEL0812-29
GRN0812-29 GRN0812-25
YEL0812-25
ABS CONNECTOR
MAIN CAB HARNESS
ABS CONNECTOR
ABS HARNESS
ELECTRONIC ENGINE CONNECTOR
MAIN CAB HARNESS
ELECTRONIC ENGINE CONNECTOR
ENGINE HARNESS
FIREWALL
INSTRUMENTATION
CONTROL UNIT
WIRE0299
WIRE0300
WIRE0301
WIRE0302
WIRE0303
WIRE0304
WIRE0305
WIRE0306
WIRE0307
WIRE0308
WIRE0309
WIRE0310
ADD ON OPTIONS
( EXAMPLE: ULTRASHIFT TRANSMISSION )
ADD ON OPTIONS
( EXAMPLE : VORAD )
J1939 ARCHITECTURE
J443-2
M
C
H
K
J
P15-3
J
K
H
C
M
J14-1
D
C
B
J
A
F
G
S90-1
S69-1
S68-1
S67-1
P34-1
1
2
J101-8
2
1
P101-8
50 34
11
62
J50-8
31
30
42
43
47
1
P103-13
1
47
43
42
30
31
P451-1
3
1
11
10
J27-2
8 37 38 5
1A
2A
1
2
1B
2B
120
J34-1
J17-3
12P17-3
12
P18-2
A B C
S65-1
S66-1
1A
2A
1
2
1B
2B
120
J35-1
J19-1
1 2 P19-1
1 2
P20-1
ABC
S71-1
S70-1
Schematic - 379 Model Family ElectricalP94-6023C91

92. BRN 4401
ORN 0770
RED0710
WHT0710
PRP0831
GRN0831
BRN2622-101
DISPLAY
TO SPARE
IGN POWER
TO SPARE
BAT POWER
TO DATA LINK
CONNECTOR BLOCK
INSTR
ILLUMINATION
BRN4401
ORN0770
RED0710
WHT0710
PRP0831
GRN0831
BRN2622-101
BUZZER
TELEMATICS
BRN4392-4
BRN 4392-4
PARK SIGNAL
J683
F
D
E
A
B
C
G
HP683
1
P681
2
1
P682
2
1
J681
A
B
J682
1
J684
1
Schematic - 379 Model Family ElectricalP94-6023C92

93. ORN6120-10
ORN6120-11
WHT1130-122
RED6120-10
ORN6120-12
RED6120-10
WHT1130-122
RED1210-34
WHT1130-124
WHT1130-123
RED1210-33
WHT1130-3
RED1210-36
RED1210-35
RED1210-33
AUDIO
CONNECTOR
SLEEPER
LOADCENTER
CONNECTOR
SLEEPER
LOADCENTER
CONNECTOR
LVD
CONNECTOR
LVD POWER
INPUT
SLEEPER
FLOOR
CONNECTOR
LVD POWER
OUTPUT
ORN6100-31
ORN6100-2
GRA2944-40
YEL7260-20
YEL2945-15
YEL2941-35
GRA2941-20
GRA2945-25
GRA7260-15
RED6953-10
RED6930-10
RED6420-10
RED2613-40
RED6954-10
ORN7300-10
ORN6120-30
YEL2944-30
YEL2944-30
ORN6120-30
ORN7300-10
RED6954-10
RED2613-40
RED6420-10
RED6930-10
RED6953-10
GRA7260-15
GRA2945-25
GRA2941-20
YEL2941-35
YEL2945-15
YEL7260-20
GRA2944-40
LVD AUDIO
CONN
SLEEPER
LOAD CENTER
SLEEPER
HARN CONN
SLEEPER LVD AND LVD ADAPTER HARNESSES
SLEEPER LVD HARNESS
LVD ADAPTER HARNESS
MATING CONNECTOR: J342
SLEEPER
LOAD
CENTER
SEE
SH 44
MATING CONNECTOR: P381
ALL SLEEPERS
SEE SH 26-30
ORN6100-30
MATING CONNECTOR: J341
SLEEPER
LOAD
CENTER
SEE SH 44
MATING CONNECTOR: P341
SLEEPER
LOAD
CENTER
SEE SH 44
ACC RELAY CONTROL
LOADLIGHT 2
SWITCHED POWER
A / C BLOWER MOTOR
BATTERY POWER
LIGHTING BATTERY POWER
BATTERY POWER
BATTERY POWER
BATTERY POWER
A / C CONTROL
LOADLIGHT 3 SIGNAL
LOADLIGHT 1 SIGNAL
LOADLIGHT 1
LOADLIGHT 3
A / C BLOWER RELAY
LOADLIGHT 2 SIGNAL
LOADLIGHT 2 SIGNAL
A / C BLOWER RELAY
LOADLIGHT 3
LOADLIGHT 1
LOADLIGHT 1 SIGNAL
LOADLIGHT 3 SIGNAL
A / C CONTROL
BATTERY POWER
BATTERY POWER
BATTERY POWER
LIGHTING BATTERY POWER
BATTERY POWER
A / C BLOWER MOTOR
SWITCHED POWER
LOADLIGHT 2
ACC RELAY CONTROL
P372
D
B
A
C
J372
D
C
A
B
J371
3
4
J374
1
P373
1
P371
3
4
J373
A
C
B
J2-14
B
A
C
D
P1-14
S
R
P
N
M
L
K
H
G
F
E
D
C
B
A
J
J1-14
J
A
B
C
D
E
F
G
H
K
L
M
N
P
R
S
S1-2
S373
S371
S372
Schematic - 379 Model Family ElectricalP94-6023C93

94. FIREWALL
CAB
ENGINE
REMOTE ACCEL SUPPLY
REMOTE ACCEL POSITION
REMOTE ACCEL RETURN
J1939 ( + ) DATA LINK
J1939 ( - ) DATA LINK
J1587 / 1708 ( + ) DATA LINK
J1587 / 1708 ( - ) DATA LINK
ENGINE RUN
ECM POWER
REMOTE START
OIL PRESSURE
WATER TEMP
TACHOMETER+
TACHOMETER-
SHIELD
EE39-8 , GRN / YEL
EE58-02 , GRN / BLU
PTO 1 -
REMOTE STATION
CONTROLS
PTO 2-
REMOTE STATION
CONTROLS
DIRTY POWER
662-2 , GRN
417-8 , PRP
418-7 , WHT
BEE21-1, RED / BLK
AEE21-2 , RED / WHT
EE47 , ORN / BLU
EE46-6 , RED / BLU
EE47-5 , ORN / BLU
TACH SENSOR
379 , GRN / BRN
380-1, PRP / YEL
OIL
PRESSURE
SENSOR
WATER
TEMPERATURE
SENSOR
EE02-25 , BLK / WHT
EE02-25 , BLK / WHT
J2
EE39-8 , GRN / YEL
EE58-02 , GRN / BLU
661-2 , YEL
661-2 , YEL
662-2 , GRN
417-8 , PRP
418-7 , WHT
BEE21-1, RED / BLK
AEE21-2 , RED / WHT
EE46 , RED / BLU
EE47 , ORN / BLU
EE46 , RED / BLU
B29, PRP / PINK
379, GRN / BRN
B29, PRP / PINK
380-1, PRP / YEL
BATT +
BATT -
CHASSIS GND
GRA3124-10
PARK BRAKE
PRESSURE SWITCH
( N.C. -
SHOWN W/ PARK BRAKE ENGAGED )
GRA3182-3
GRA3182-3
PTO PRESSURE SWITCH
( N.O. -
SHOWN W/ PTO OFF )
GRA3198-1
GRA3198-1
SPARE / ON PAGE 74
PTO PRESSURE SWITCH
( N.O. -
SHOWN W/ PTO OFF )
PARK BRAKE
PRESSURE SWITCH
( N.C. -
SHOWN W/ PARK BRAKE ENGAGED )
GRA3510-8
GRA3510-10
GRA3183-2
GRA3514-2 GRA3183-2
ORN3100-27
GRN3115-32
GROUND
+ 12V DC
SWITCHED
ORN3100-27
GRN3115-32
REMOTE
CONNECTOR
DECK
POWER SWITCH
ORN3100-28
WHT0770-5
EE63-0 , GRN / YEL
239-9 , BLK
GRA3394-3
GRA3394-3
GRA3181-0
GRA3181-0
GRA3183-0
GRA3183-0
REMOTE ACCEL
OVERRIDE SWITCH
( SHOWN IN REMOTE
ACCEL STATE ) }
WHT0770-5 WHT0770-7
GRA3124-0
GRA3124-0
MAIN CAB
MAIN HARNESS
WHT0770-8
239 SPARE
GROUND
WHT0770-9
GRA3913-23
GRA3913-21
GRA3913-7
GRA3913-7
WHT0770-6
A / C DISABLE RELAY
K9
CAB HARNESS
CONTROL MODULE
GRA7131-13
GRA7131-14
GRA7131-12
GRA7131-12
1515
304, RED 298 , ORN
304 , RED
ORN3100-26
MATES TO P111-6,
PTO 1 REMOTE STATION
CONTROL ON PAGE 84.
MATES TO J119-5,
PTO 2 REMOTE STATION
CONTROL ON PAGE 85.
MATES TO P103-11
ON PAGE 84
GRN3445-46
ORN3111-11
GRA3183-3
( SEE NOTE 1 THIS PAGE )
( SEE NOTE 1 THIS PAGE )
NOTES:
1) CIRCUITS FOR BACKLIGHTING AND "ON" LED'S
OMITTED FOR CLARITY.
CUMMINS DUAL STATION CONTROLS
P89
6
12
10
4
11
7
8
9
3
P100
S
R
U
J100-1
U
R
S
J97
D
E
F
R
S
N
G
H
L
B
C
M
P
J
K
P97
K
J
P
M
C
B
L
H
G
N
S
R
F
E
D
50 AMP
cK6
J109
A
P109-8
A
S39-2
P88-1
6
7
8
9
10
5
11
12
S46-1
S05
S36-1
J103-6
A
B
P103-15
B
A
P108-1
E
A
B
D
F
J108-7
F
D
B
A
E
87A
87
86
30
85
P101-9
1
J101-9
1
S44-1
J110
A
P110-9 A
FAN BLOWER
HVAC FAN SWITCH
OFF
1
2
3
4
S100
J222
P222
J58
11 9 32 33 21 41
SH 74 , REFDES S102-7
SH 84 , REFDES P103-11
SH 74, REFDES S101-7
P44
4
P670
4
9
3
1
6
4
10
7
2B
5B
8
B
A
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
Schematic - 379 Model Family ElectricalP94-6023C94

95. ENGINE BRAKE ( MANUAL XMSN )
ENGINE BRAKE ( AUTO XMSN )
GRA3131-102
GRA3131-101
GRA3195
GRA3195-103
GRN3116-102
GRA3195-102
GRN3116-101
GRA3133-105
ENGINE BRAKE
ON / OFF
ENGINE
BRAKE RANGE
ORBN0770-100
BRN2622-102
WHT0780-1
GRA3133-102
GRA3133-104
GRA3131-2
BRN2622-104
BRN2622-105
WHT0780-2
WHT0780-3
MAIN CAB
WT169-0
WT161-0
WT161-0
WT169-0
XMSN
HARNESS
ORBN0770-100
WHT0780-0
BRN2622-106
GRN3116-101
GRA3131-100
GRA3195-101
GRA3195-100
GRN3116-100
GRA3133-103
ENGINE BRAKE
ON / OFF
ENGINE
BRAKE RANGE
ORN3100-100
BRN2622-203
BRN2622-200
WHT3100-0
WHT3100-2
GRA3133-100
GRA3133-101
BRN2622-201
BRN2622-202
WHT3100-1
WHT3100-3
MAIN CAB
ORN3100-100GRN3116-100
WHT3100-4
WHT3100-100
WHT3100-100
GRA3131-100
BRAKE RANGE BRAKE RANGE
CONNECTS TO P12,
ZONE A11, PAGE 74
( ENGINE BRAKE ON / OFF )
CONNECTS TO P12,
ZONE A11, PAGE 74
( ENGINE BRAKE ON / OFF )
CONNECT TO J206
ZONE A11, PAGE 64
CONNECT TO J211
ZONE G4, PAGE 65
CAT COMPRESSION BRAKE
J622_1
1
P623 1
P622 _ 1
5B
6
10
7
3
9
8
2B
P621_1
2B
10
9
8
7
3
4
6
S621_3
S625
S624
S623_2
S622_3
P624
1
P625
1
J621_1
D
B
A
C
E
G
F
H
J622_2
1
P623_1
1
P622_2
10
9
7
5B
8
6
3
2B
P621_2
2B
10
9
8
7
3
4
6
S624_1
S623_1
S622_2
J621_2
D
B
A
C
E
G
F
H
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
9
3
1
6
4
10
7
2B
5B
8
C
B
A
C
B
A
B2
B1
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
9
3
1
6
4
10
7
2B
5B
8
C
B
A
C
B
A
B2
B1
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
Schematic - 379 Model Family ElectricalP94-6023C95

96. ENGINE FAN ( CUMMINS )
ENGINE FAN ( CAT, EXCEPT C9 ) ENGINE FAN ( CAT C9 )
ORN3111-3
BRN2622-205
WHT0780-5 BRN2622-205
WHT0780-5
YEL3191-1
WHT0780-4
GRA3192-6
GRA3192-8 GRN3117-4 GRN3117-4
ORN3111-3
ENGINE FAN
ON / OFF
ENGINE
FAN
ENGINE
FAN
CONNECTS TO P77
ZONE K9, PAGE 74
ADD ON 1 HARNESS
ORN3111-6
BRN2622-206
WHT0780-7 BRN2622-206
WHT0780-7
YEL3191-2
WHT0780-6
GRA3192-10
GRA3192-11
GRN3117-6 GRN3117-6
ORN3111-6
ENGINE FAN
ON / OFF
ENGINE
FAN
ENGINE
FAN
CONNECTS TO P77
ZONE K9, PAGE 74
ADD ON 1 HARNESS
GRN3115-100
GRN3117-100
GRN3117-101
ORN3142-1
PRP3184-0
ORN3142-1
PRP3184-0
GRA3192-100
ORN3111-100
BLU3142-1
GRA3192-100
BLU3142-1
ORN3111-100
GRN3142-1
GRN3142-1
BRN2622-210
BRN2622-209
GRA3192-103
GRA3192-109
GRA3192-101
BRN2622-208
GRA3192-109
THROTTLE PEDAL
POSITION
DIAGNOSTICS
ON / OFF
ENGINE FAN
ON / OFF
YEL3191-0
GRA3192-102
GRA3192-104
ENGINE FAN ENGINE FAN
YEL3191-0
CONNECTS TO P77
ZONE K9, PAGE 74
ADD ON 1 HARNESS
1
P622_3
J622_3
1
P623_2
6
5B
2B
3
10
4
7
8
9
J621_3
J
K
B
E
D
C
A
F
G
H
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
1
P622_4
J622_5
1
P623_6
4
5B
2B
3
10
6
7
8
9
J621_4
J
K
B
E
D
C
A
F
G
H
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
P621_3
A
B
C
J622_4
8
2B
3
7
9
10
1
4
6
5B
P622_5
1
J624 1
S621_1
S622_1
S623_3
J621_5
2B
6
5B
4
3
7
10
1
8
9
J623_1
E
B
A
J
K
H
C
F
D
G
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
9
3
1
6
4
10
7
2B
5B
8
B
A
Schematic - 379 Model Family ElectricalP94-6023C96

97. WIRE6903
ORN3600-0
YEL2690-0
WHT3660-0
WIRE6904
WIRE6905
ORN3661-0
ORN3662-0
ORN3663-0
ORN3664-0
YEL3661-0
YEL3662-0
YEL3663-0
YEL3664-0
WHT3661-0
WHT3662-0
WHT3663-0
WHT3664-0
WIRE6906
WIRE6907
WIRE6908
WHT3664-2
WHT3664-1
WHT3663-2
WHT3663-1
WHT3662-2
WHT3662-1
WHT3661-2
WHT3661-1
WIRE6909
ORN3661-1
BRN3661-0
ORN3662-1
BRN3662-0
ORN3663-1
BRN3663-0
ORN3664-1
BRN3664-0
YEL2690-0
ORN3600-0
WIRE6903
YEL3662-0
ORN3664-0
YEL3661-0
WIRE6909
WHT3663-1
WIRE6906
WIRE6907
YEL3663-0
WHT3664-1
YEL3664-0
PARK BRAKE
PRESSURE
SWITCH
LIFT AXLE
POWER POINT
( UNSWITCHED )
BACKLIGHTING
SPLICEPACK
AUTO REVERSE
RELAY
REVERSE
SIGNAL
( FROM XMSN )
LIFT AXLE
# 1
LIFT AXLE
# 2
LIFT AXLE
# 3
LIFT AXLE
# 4
LIFT AXLE SWITCH # 4 LIFT AXLE SWITCH # 3 LIFT AXLE SWITCH # 2 LIFT AXLE SWITCH # 1
LIFT AXLE CONTROL ( AXLES W/O AUTO-REVERSE FUNCTIONALITY )
NOTES:
1) CIRCUITRY SHOWN FOR MULTIPLE LIFT AXLE CONTROL.
CONTENT IS CHASSIS SPECIFIC.
2) MULTIPLE LIFT AXLES WITH SINGLE CONTROL
IS ACCOMPLISHED IN CHASSIS WIRING.
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
87A
87
86
30
85
K621
C
J622_c0
9 7 8 3 2B 1 4 5B 6 10
J621_c0
30
85
87
87A
86
S623_c0
S622_c0
J629
A
B
J628
A
B
J627
A
B
J626
A
B
P623_c0
1
J625
9 7 8 3 2B 1 4 5B 6 10
J624_c0
9 7 8 3 2B 1 4 5B 6 10
J623_c1
9 7 8 3 2B 1 4 5B 6 10
T621_c0
1
P622_c0
CD
P621_c0
1
2
Schematic - 379 Model Family ElectricalP94-6023C97

98. WIRE6910
WIRE6912
WIRE6913
WIRE6914
WIRE6915
WIRE6916
WIRE6917
WIRE6918
WIRE6919
WIRE6920
WIRE6921
WIRE6922
WIRE6923
WIRE6924
WIRE6925
WIRE6926
WIRE6927
WIRE6928
WIRE6929
WIRE6930
WIRE6931
WIRE6932
WIRE6933
WIRE6934
WIRE6935
WIRE6936
WIRE6937
WIRE6938
WIRE6939
WIRE6940
WIRE6941
WIRE6942
WIRE6943
WIRE6944
WIRE6911
WIRE6910
WIRE6918
WIRE6916
WIRE6917
WIRE6936
WIRE6931
WIRE6925
WIRE6926
WIRE6919
WIRE6929
WIRE6920
PARK BRAKE
PRESSURE
SWITCH
LIFT AXLE
POWER POINT
( UNSWITCHED )
BACKLIGHTING
SPLICEPACK
LIFT AXLE
# 1
LIFTN AXLE
# 2
LIFT AXLE
# 3
LIFT AXLE
# 4
LIFT AXLE SWITCH # 4 LIFT AXLE SWITCH # 3 LIFT AXLE SWITCH # 2 LIFT AXLE SWITCH # 1
LIFT AXLE CONTROL ( AXLES W/ AUTO-REVERSE FUNCTIONALITY )
NOTES:
1) CIRCUITRY SHOWN FOR MULTIPLE LIFT AXLE CONTROL.
CONTENT IS CHASSIS SPECIFIC.
2) MULTIPLE LIFT AXLES WITH SINGLE CONTROL
IS ACCOMPLISHED IN CHASSIS WIRING.
P621_c1
1
2
P622_c1
CD
T621_c1
1
J623_c2
9 7 8 3 2B 1 4 5B 6 10
J624_c1
9 7 8 3 2B 1 4 5B 6 10
J625_c0
9 7 8 3 2B 1 4 5B 6 10
J626_c0
B
A
J627_c0
A
B
J628_c0
A
B
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
9
3
1
6
4
10
7
2B
5B
8
B
A
B
A
J622_c1
9 7 8 3 2B 1 4 5B 6 10
S623_c1
S622_c1
J629_c0
A
B
Schematic - 379 Model Family ElectricalP94-6023C98