Page 537 of 1502
8W
- 62
WIRING
DIAGRAMS
•
f-A8
12BK—dp)
BATTERY
(OTJ A5
12BK—f
j \^
POSITIVE
J
TO W.O.T.
„
RELAY
Y
(SEE
SH 70)
A8
6BK
•FUSIBLE
LINK
A21
160B
(LEFT
FENDER
SIDE
SHIELD) AIR
HEATER
RELAY
(LEFT
FENDER
SIDE
SHIELD) A7
6BK
"-no) ten-
AIR
INTAKE
HEATER (ON INTAKE
UNDER INLET PIPE) TO ENGINE
STARTER
RELAY
(SEE
SH 7)
T
T41
20BR YL
JL
1
S21
18YL
BK
A21
MDB
T0<^2!)
"
SPLICE
(SEE
SH 23)
TO CHARGING
SYSTEM
(SEE
SH 6)
K20
18DG
30
PARK/NEUTRAL
POSITION (SWITCH)
16
HEATER
#1
RELAY
20
GENERATOR FIELD
15
HEATER
#2
RELAY IGNITION
FEED
POWERTRAIN CONTROL MODULE
II (PCM II)
CONNECTOR
(SEE SH 83)
(LEFT
FENDER SIDE SHIELD)
AD
21
DIESEL
CONTROL
SYSTEM
J938W-11
Page 538 of 1502
WIRING DIAGRAMS
8W - 63
TO CLUSTER
MALFUNCTION
INDICATOR LAMP
(SEE
SH 60)
Al42
A142
16DG
16DG
OR
OR
TO TACHOMETER
PROVISIONS
(SEE
SH 48) L._ , . I
TO FUSIBLE LINK
(SEE
SH 6)
A21
14DB
AUTOMATIC
SHUT DOWN
RELAY
(LEFT
SIDE
SHIELD)
A14
16RD TO GENERATOR
(SEE
SH 6)
G3
20BK
PK
G21
20GY LB
A142 16DG
OR
K51
A142
20DB
16DG
YL
OR 16
A14
16RD G3
20BK
PK
G21
20GY LB
51
57
3
32
43
A.S.D. A.S.D.
BATTERY
MIL
TACH
RELAY
BATTERY
FEED
POWERTRAIN CONTROL MODULE
II
(PCM
II)
CONNECTOR
(SEE SH 83)
(LEFT
FENDER SIDE SHIELD)
J938W-11
DIESEL
CONTROL SYSTEM AD
22
Page 539 of 1502

8W
- 64
WIRING DIAGRAMS
TO DAYTIME
RUNNING LIGHTS
MODULE C—A21
140R
SEE
SH 46) l4UK
TO
A/C
ELECTRONIC CYCLING
^A21 hob
SWITCH
(SEE
SH 70)
TO
MESSAGE
CENTER (DIESEL)
(SEE
SH 57)
BLACK
TO
IGNITION
A21
14DB-4,
SWITCH
^(SEE
SH 10)
RED
BLOWER MOTOR
f-
(SEE
SH 66.69T
TO
5"
(SEE
SH 44,46)
Zl
14BK
Zl
14BK
RIGHT
HEADLAMP GROUND
(RIGHT
SIDE
—
SHIELD) (REAR
OF
ENGINE)
A21
14DB
Z12
14BK/TN
TO
A/C
COMPRESSOR
71
14BK-C,
CLUTCH v
Zl
j(SEE
SH 70)
<
T0
Zl
18BK-A UNDERHOOD LAMP
(SEE
SH 29)
TO VACUUM
SENSOR
(SEE
SH 34)
A21
1408
TO LEFT
HEADLAMP GROUND
(SEE
SH 43,45)
G86
20DG
WT G85
20TN
OR
11
TO DAYTIME
RUNNING LIGHTS MODULE
(SEE
SH 46)
Zll
18BK
WT
20
E5
K31
20DG
20BK
WT
PK
DATA LINK
CONNECTOR
(RIGHT
REAR
OF
ENGINE
COMPARTMENT)
020
20LG
56
54
WAIT-TO-
WATER-IN-
START LAMP FUEL LAMP
POWERTRAIN CONTROL MODULE
II (PCM II)
11
POWER
GROUND
12
POWER
GROUND
45
25 5
DATA LINK DATA LINK SIGNAL
RECEIVE
TRANSMIT GROUND CONNECTOR
(SEE
SH 83)
(LEFT
FENDER
SIDE
SHIELD)
AD
23
DIESEL
CONTROL
SYSTEM
J938W-11
Page 540 of 1502
•
WIRING DIAGRAMS
8W - 65
A21
14DB
A21
HOB
TO
TRANSMISSION
4
OVERDRIVE
>
SOLENOID
(SEE
SH 14)
TO TRANSFER
CASE
SWITCH
(SEE
SH 13)
Z12
18BK/TN
—' T41
18BR/YL—i
TO ENGINE
STARTER RELAY
(MANUAL
TRANS ONLY)
A2i
(SEE
SH 7) HOB
FUEL
HEATER
(ON
TOP OF
FUEL WATER SEPARATOR) •BLACK
I
1
THERMO
SWITCH A21
14DB
FUEL
SOLENOID
(LEFT
FRONT OF ENGINE) A21
18BL
EIZZll
COLD START ADVANCE
(K.S.B MOTOR) (ON PUMP)
(FRONT
OF
ENGINE)
J938W-11
DIESEL
CONTROL SYSTEM AD
24
Page 541 of 1502
8W - 66 WIRING DIAGRAMS
•
WATER-1N-FUEL
SENSOR
(IN FUEL FILTER)
VEHICLE
SPEED SENSOR
(ON REAR
OF TRANSMISSION
MANUAL TRANSMISSION AND 205
TRANSFER
CASE
CRANKSHAFT POSITION
SENSOR
FRONT OF
ENGINE) INTAKE AIR
TEMPERATURE
SENSOR
IN INTAKE
LEFT SIDE)
TO LEFT
PRINTED CIRCUIT
BOARD
CONNECTOR
[SEE
SH 60)
TO DAYTIME
RUNNING
LIGHT
MODULE
(CANADA ONLY)
(SEE
SH 46)
47 7 2 1 21 24
28
VEHICLE 8 VOLT ECT WATER -1N- INTAKE
CKP
THERMO
SPEED SENSOR
INPUT
SENSOR
FUEL AIR TEMP PICK-UP
SWITCH
PICK-UP
SENSOR
CONNECTOR
POWERTRAIN CONTROL MODULE II (PCM II)
(SEE
SH 83)
(LEFT
FENDER SIDE SHIELD)
AD 25
DIESEL
CONTROL SYSTEM
J938H-11
Page 542 of 1502
WIRING DIAGRAMS 8W - 87
ENGINE COOLANT TEMPERATURE SWITCH TRANSMISSION
THERMO SWITCH
(LEFT
SIDE
REAR
OF ENGINE BLOCK)
-K4
18BK/LB
-K4
18BK/LB
-K4
18BK/LB
-K4
20BK/LB
K2
20TN/BK
-T25 20LG/RD
L-h--
K44
20TN/YL
K4
20BK/LB
^-flf
G7
20WT
/OR
A
\BLACK
/
(LEFT
REAR OF ENGINE) O o oo O
O 9 9 9 O
VEHICLE SPEED
SENSOR
(ON REAR OF
TRANSMISSION)
AUTOMATIC TRANS 2 W.D. ONLY
K22
180R
DB
TO A/C SYSTEM
(SEE
SH 70)
K4
18BK LB K6
20VT
WT
C13
20DB
OR
C20
18BR
22 4 6
T.P.(S.)
SENSOR 5
VOLT
RETURN SUPPLY
POWERTRAIN CONTROL MODULE II (PCM II) 34 27
W.O.T.
A/C RELAY COMPRESSOR CLUTCH
CONNECTOR (SEE SH 83)
(LEFT
FENDER SIDE SHIELD)
J938W-11
DIESEL CONTROL SYSTEM AD 26
Page 543 of 1502
8W - 68 WIRING DIAGRAMS
TO LEFT
PRINTED CIRCUIT
BOARD CONNECTOR
(SEE
SH 60)
854 „ 32
GRAY 17
G20
20VT/YL
« G20
20VT/YL
•
18
G6 20GY- -66 20GY-
BLACK
19
G60 20GY/YL « G60 20GY/YL
TO RIGHT
PRINTED CIRCUIT
BOARD CONNECTOR
(SEE
SH 60) BLACK
(REAR OF ENGINE LEFT SIDE) G60
20GY YL G60 20GY/YL-
ENGINE
OIL
PRESSURE
SENDING
UNIT
AND SWITCH G20
20VT
YL
G6
20GY G6 20GY-
(LEFT
SIDE OF BLOCK CENTER) G60 20GY/YL-
G6 20GY- ENGINE
TEMPERATURE
SENDING
UNIT
(LEFT
REAR
OF CYLINDER HEAD)
AD 27 OIL
PRESSURE
AND TEMPERATURE
SYSTEM
FOR DIESEL ENGINE
jsaew-n
Page 544 of 1502
WIRING DIAGRAMS 8W - 6S
BLACK
GRAY
TO RIGHT
PRINTED CIRCUIT
BOARD CONNECTOR
(SEE
SH 60' 19
G60
20GY YL G6
20GY
15 16
ENG
y •v —
ENG
G60
20GY
YL G6
20GY TO LEFT
PRINTED CIRCUIT
BOARD CONNECTOR
(SEE
SH 60) 17
G20
20VT
YL
26
ENG
h G20
ENGINE
OIL
PRESSURE
SENDING
UNIT
AND SWITCH (REAR OF
INTAKE MANIFOLD CENTER)
ENGINE
TEMPERATURE
SENDING
UNIT
(RIGHT
SIDE FRONT OF ENGINE)
OIL
PRESSURE
AND TEMPERATURE SYSTEM
FOR
ELECTRONIC
U938W-H
FUEL INUECTION IGNITION AD 28