DODGE TRUCK 1993 Service Repair Manual

8W - 56 WIRING
DIAGRAMS

•

IGNITION
COIL
(ON ENGINE)
16 15 14 13 38 58 17 18
INJ INJ INJ INJ INJ INJ INJ INJ #1 Ml #3 #4 #5 #6 Ul #8 POWERTRAIN CONTROL MODULE II (PCM II)
19

IGNITION
COIL
DRIVER 57

ASD
B+
CONNECTOR (SEE SH 84)

(LEFT
FENDER SIDE SHIELD)

AD
15 IGNITION
SYSTEM

GAS
MFI
ENGINES
J938W-11

•
WIRING DIAGRAMS 8W - 57 A21 HOB
A14 16RD-
TO

SPLICE

(SEE
SH 68)
A21 MOB 1 -\ ENG f-
- A142
160G/0R

•A142
16DG/0R-

A142 16DG/0R TL
TO HEATED
OXYGEN
SENSORS
(SEE
SH 17) A14 A14
16RD 16RD K51
A142
200B
16DG YL
_ OR
AUTOMATIC
SHUT DOWN RELAY

(LEFT
SIDE SHIELD)
-K51
20D8/YL"—

K51
20DB/YL
K51
20DB YL
FUEL PUMP RELAY

(LEFT
SIDE SHIELD)
FTO FUEL PUMP
^ (SEE SH 78)
TO CHARGING
SYSTEM

(SEE
SH 4) AH 16RD- —[ENGT—
—«— A21
14DB
A21 HOB A21 HOB AH
16RD K51
20DB
YL € TO
DATA
LINK
S CONNECTOR
(SEE
SH 17)
TO
TRANSMISSION OVERDRIVE SOLENOID

(SEE
SH 12)
A21
HDB K52
20PK BK EVAP
PURGE SOLENOID K35

(LEFT
REAR 20GY
OF ENGINE) YL
EGR
SOLENOID

(RIGHT
REAR OF ENGINE)
3 51 9 52
35
BATTERY ASD
IGNITION
EVAP

EGR

RELAY
FEED
PURGE
SOLENOID
SOLENOID SOLENOID
POWERTRAIN CONTROL MODULE II (PCM II) CONNECTOR (SEE SH 84)
J938H-11
(LEFT
FENDER SIDE SIELD)

IGNITION
SYSTEM

GAS
MFI ENGINES AD 16

8W - 58 WIRING
DIAGRAMS

•
18 WT -
18 GY

rff®®]TH-M
20BK/LB- 45 5 25
DATA SIGNAL DATA
LINK GROUND LINK

RECEIVE
TRANSMIT I11 I2I
POWER
GROUND 23 41
HEATED OXYGEN

SENSOR

POWERTRAIN CONTROL MODULE II (PCM II) CONNECTOR (SEE SH 84)
(LEFT
FENDER SIDE SHIELD)

AD
17
IGNITION
SYSTEM

GAS
MFI ENGINES
J938W-U

WIRING
DIAGRAMS 8W - 59
K4
20BK/LB —j K4 18BK/LB
TO VEHICLE
SPEED

SENSOR

(SEE
SH 20) TO ENGINE
WIRING
SPLICE

(SEE
SH 20) CRANKSHAFT
POSITION
SENSOR
RIGHT

REAR
OF ENGINE) TO

SPLICE

[SEE
SH 20)
K24
18GY
BK
THROTTLE

POSITION
(SENSOR)

(ON
THROTTLE
BODY)

T0
SPLICE

(SEE
SH 20)
rtM-
-KB
20VT/WT-

-K4 18BK/LB-
TO <8>
x SPLICE

(SEE
SH 20)
TO A/C AND
HEATER SYSTEM
(SEE
SH 68)
K22
180R
DB

-[ENGh
25

—[FNG]—

C20
18BR C13

20DB
OR
24 22
27 34

REF.
TP(S)

A/C
W.O.T.

PICKUP CYCLING RELAY
SWITCH
POWERTRAIN CONTROL MODULE II (PCM II) CONNECTOR (SEE SH 84)

(LEFT
FENDER SIDE SHIELD)
J938U-11

IGNITION
SYSTEM

GAS
MFI ENGINES
AD
18

8W - 60
WIRING
DIAGRAMS
IDLE AIR
CONTROL MOTOR
GRAY

nrrrrnrj
pnrn (ON THROTTLE
BODY) 4 3 2 1
K59
18VT
BK

59
IAC TO

SPLICE

(SEE
SH 9)
T
T41
18BR YL K40
18BR WT
i K60
18YL
BK
K39
18GY
RD

.1 n las
2 3 ^ 4
•G3 20BK/PK—1 TO PRINTED
CIRCUIT BOARD CONNECTOR

(SEE
SH 60) G7

20WT
OR TO DAYTIME
RUNNING LAMP MODULE
(CANADA ONLY)

(SEE
SH 46) G7

20WT
OR G7 <8>-

20WT/0R~H>
G3
20BK
PK

38 13 G7

20WT
OR 43
TO

MESSAGE
CENTER
SERVICE

REMINDER

INDICATOR

(SEE
SH 58)
G24
22 GY
PK

42
G3
20BK
PK

•-{ENGf-

TO
CHARGING
SYSTEM

(SEE
SH 4)
T
K20
18DG 'T
G24

20GY
PK

33

;HENG}~
24

—[ETTGI—

G7
20WT/0R

G3
20BK
PK
G24

20GY
PK

30

PARK/

NEUTRAL SWITCH 40 60 39 20 32
IAC IAC IAC GENERATOR MIL FIELD
POWERTRAIN CONTROL MODULE II (PCM II] 56

SRI

CONNECTOR (SEE SH 84)

(LEFT
FENDER SIDE SHIELD)
AD
19
IGNITION
SYSTEM

GAS
MFI ENGINE
J938W-11

•
WIRING DIAGRAMS 8W - 61
INTAKE AIR

TEMPERATURE
SENSOR
21

CHARGE
AIR

TEMP
2

ECT
44

CMP
7
8 VOLT INPUT 4

SENSOR

RETURN
6

5
VOLT
SUPPLY
47

VEHICLE
SPEED

SENSOR
1
MAP

SENSOR

POWERTRAIN
CONTROL
MODULE
II
(PCM II)

CONNECTOR
(SEE SH 84)
(LEFT
FENDER SIDE SHIELD)

J938H-11
IGNITION SYSTEM

GAS
MFI ENGINE AD 20

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

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

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

•

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