1993 DODGE TRUCK fuel pump wiring
[x] Cancel search: fuel pump wiringPage 520 of 1502
•
WIRING
DIAGRAMS
8W - 4S Zl
6BK/WT•
BLACK
-
GROUND
(REAR
OF
ENGINE)
TO
POWERTRAIN
CONTROL
.
MODULE
11
(PCM
Il)r
CAVITY
20
(SEE
SH 19)
All
6BK
-K20
18DG
SPLICE
(SEE
SH 15)
A142
18DB
yr-BLACK
£
_
90A ONLY-
35/75.40/90 AND 50/120
GENERATOR
(RIGHT
SIDE FORWARD
OF
ENGINE)
All
6BK
(RIGHT
FENDER SIDE SHIELD)
All
6BK
FUSIBLE
LINK
(HYPALON WIRE) All
10DG A2
200R
.
TO
WIDE OPEN
C26
14BR 1
THROTTLE RELAY
(SEE
SH 68)
50
A2 12PK/BK
» A2
12PK/BK
£
FUSIBLE
LINK
(HYPALON WIRE)
Al
200R
FUSIBLE
LINK
(HYPALON WIRE) 49
m
•
Al 12RD »-
•Al
12RD-
TO IGNITION
SWITCH
(SEE
SH 10)
A14
22WT
k%A
1CDn >T0
FUEL PUMP RELAY
-AM
16RD 1 (SEE SH 16)
-^TO
SPLICE
(SEE
SH 47)
AOA
12RD
A3
18GY
A3
12RD/WT
» A3
12RD/WT-
1
J938W-11
CHARGING
SYSTEM
WITH
GAS
ENGINES
AD
4
Page 532 of 1502
•
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
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 594 of 1502
WIRING
DIAGRAMS SW - 119
TO IGNITION SWITCH
(SEE
SH 10)
t 1—A21 HOB TO
1| SPLICE
(SEE
SH 68)
r
A21
HOB
47 F32 18PK/DB—,
F32 18PK/DB G26
20LB
lc£L
iCZD
• • • G10 20 LG/RD-
G10 20 LG/RD- Zl 20BK- ~1
G5
20DB/WT
G13 20DB/RD TO
FUSE
#5
[20 AMP)
SPLICE
(SEE
SH 47)
HEADLAMP KEY-IN
SEAT
BELT
COMBINED
BUZZER \ F32
\ 18PK
RIGHT OF STEERING COLUMN \ DB TO RIGHT
PRINTED CIRCUIT
BOARD
CONNECTOR
(SEE
SH 60)
(SEE
SH 58)
BLACK
G5
20DB/WT
G5
20DB/WT-
G10
20LG
Zl
20BK F32
18PK
DB
G26
20LB
TO STOP
-\ LAMP SWITCH
(SEE
SH
32,35)
< TO HEADLAMP
S SWITCH
(SEE
SH 47)
GRAY
TO LEFT
PRINTED CIRCUIT
BOARD
CONNECTOR
(SEE
SH 60)
•G13 20DB/RD
, TO FUEL PUMP
Hi41 16DG/BK-A MOTOR FEED
(SEE
SH 16) G10
Zl
(LEFT
BASE
OF
18BK STEERING COLUMN) ^ I , 18BK Zl
8BK (AT SEAT ^ 18LG
BELT>
18BK
^BLUE
r
(LEFT
SIDE UNDER INSTR/PANEL)
G4 18DB/YL- TO
GROUND
SPLICE
[SEE
SH 48)
Zl 16BK XL Zl
16GY
BK
TO
SPLICE
(SEE
SH 79) \ z^20
5~Zl 16BK -HT A61
16DG
BK
4o
o o d
) c
F. it
JJ Zl
18BK Z1>11
SEAT
BELT
SWITCH
(IN SEAT
BELT BUCKLE) 71 1ftR. f TO CARGO LAMP
-Zl 18BK—^ (SEE SH 50) -5 TO
SPLICE
(SEE
SH 48)
FUEL TANK MODULE
J938W-11
ELECTRONIC
FUEL INJECTION TANK GAUGE
AND
SEAT BELT WARNING
SYSTEM
AD
78
Page 601 of 1502
8W - 126
WIRING
DIAGRAMS
SMALL
INDEX
50 49 48
47
46 45
44 43 42 41
40 39
38 37
36 35
34 33 32
© 31
30 29
28 27
26
© 25
24 23
22 21
20 ©
19 18
17
16 15 14 13 12 11 10 9 8 7
6 5 4
3 2
1
LARGE
INDEX TERMINAL END
OF DISCONNECT
ENGINE COMPARTMENT CAVITY
1
10
11
12
13
14 15
16
17
18 19
20
21
22
23
24
25
26
27
28
29
30 31
32 33
34
35
36
37
38
39 40
41
42
43
44
45
46
47
48
50 ENGINE COMPARTMENT CIRCUITS
A3 12RD/WT C7 12BK/TN
A141 16DG/BK
L4
16VT/WT
L3 14RD/0R
V30 20DB/RD
V31 20BR/RD V33
20WT/LG
V32 20YL/RD
E5
20DG/WT
G34 16RD/GY
L20
14LG/WT
G21 20GY/LB G20
20VT/YL
G6 20GY
G60 20GY/YL
G85 20TN/OR
L61 18LG L60 18TN
A15 16PK
T61 20BK/0R
LI 18VT/BK
L7 18BK/YL
F20 18WT
V10 20BR
A41 16YL
X2 18DG/RD
Ml 18BK/TN
Gil
20WT/BK
V5 18DG/YL
V6 18DB
C21 18DB/0R
G3 20BK/PK
X4 20LG/BR V40 18WT/PK
G24 20GY/PK
G7 2GWT/0R T6
200R/WT
V3 18BR/WT
V4 18RD/YL
A21 14DB
A4 12BK/RD Al 12RD
A2 12PK/BK HEADLAMP SWITCH
A/C
AND HEATER BLOWER MOTOR
FUEL PUMP FEED (GAS ONLY)
HEADLAMP LOW BEAM (2 WIRES)
HEADLAMP HIGH BEAM (2 WIRES)
VEHICLE
SPEED
CONTROL
VEHICLE
SPEED
CONTROL VEHICLE
SPEED
CONTROL
VEHICLE
SPEED
CONTROL
WAIT
TO START LAMP (DIESEL
QNLYr
HIGH BEAM INDICATOR LAMP
HIGH BEAM FEED
TACHOMETER SIGNAL (DIESEL)
ENGINE COOLANT TEMPERATURE SENDING
UNIT
ENGINE OIL
PRESSURE
SWITCH
ENGINE OIL
PRESSURE
SENDING
UNIT
WATER-IN FUEL LAMP (DIESEL)
LEFT TURN SIGNAL LAMP RIGHT TURN SIGNAL LAMP
BATTERY-HAZARD FLASHER
TRANSMISSION
OVERDRIVE INDICATOR LAMP
BACK-UP LAMPS
PARKING LAMPS (2 WIRES)
BACK-UP LAMP SWITCH
WINDSHIELD WASHER MOTOR
ENGINE STARTER RELAY
-1GNITI
ON HORN
UNDERHOOD LAMP
ELECTRIC
VACUUM
SENSOR
(DIESEL) (2 WIRES)
WINDSHIELD WIPER MOTOR
WINDSHIELD WIPER MOTOR
AIR CONDITIONING DAMPED
PRESSURE
SWITCH
MALFUNCTION INDICATOR LAMP
4 WHEEL DRIVE SWITCH
BRAKE
SENSOR
SRI
LAMP (GAS ENGINE ONLY)
VEHICLE
SPEED SENSOR
TRANSMISSION
OVERDRIVE
WINDSHIELD WIPER MOTOR
WINDSHIELD WIPER MOTOR
SPLICE-IGNITION RUN CIRCUIT
IGNITION
OFF DRAW
IGNITION
SWITCH
IGNITION
SWITCH
AD 85 50-WAY BULKHEAD DISCONNECT
J938W-11
Page 602 of 1502
•
WIRING
DIAGRAMS
8W - 127
CAVITY
INSTRUMENT PANEL CIRCUITS
1
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28 29
30 31
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
A3
12RD/WT
C7 12BK/TN
A61 16DG/BK
L4
16VT/WT
L3
16RD/0R
V30 20DB/RD
V31 20BR/RD
V33
20WT/LG
V32 20YL/RD
V32 20YL/RD G86
20DG/WT
G34 16RD/GY
L20
20LG/WT
G21 20GY/LB
G20
18VT/YL
G6
20GY
G60 20GY/YL G85
20TN/0R
L61
18LG
L61
18LG
L60
18TN
L60
18TN
A15
16PK
T61 20BK/OR
LI
18VT/BK
L7 18BK/YL
F20
18WT
V10 20BR
A41
14YL
S21 14YL/BK
X2
18DG/R0
Ml
18PK
Gil
20WT/BK
V5
18DG
V6
18DB
C2 18DB/YL
G3 20BK/PK
Gl 20DG/GY
V40
18WT/PK
G24 22GY/PK
G7
20WT/0R
T6
200R/WT
V3 18BR/WT
V4 18RD/YL
A21
14DB
A21
14DB
A4 12BK/RD
Al
12RD
A2 12PK/BK BATTERY FEED
A/C
AND
HEATER BLOWER MOTOR
FUEL PUMP FEED
(GAS
ONLY)
HEADLAMP-LOW BEAM
HEADLAMP-HIGH BEAM VEHICLE
SPEED
CONTROL
VEHICLE
SPEED
CONTROL VEHICLE
SPEED
CONTROL
VEHICLE
SPEED
CONTROL
WAIT
TO
START LAMP (DIESEL ONLY)
HIGH BEAM INDICATOR LAMP
HIGH BEAM FEED (D.R.L. MODULE)
TACHOMETER (DIESEL)
ECT SEND/UNIT
OR
SWITCH
ENGINE
OIL
PRESSURE
LAMP
ENGINE
OIL
PRESSURE
GAUGE-SEND
UNIT
WATER
IN
FUEL LAMP (DIESEL)
LEFT FRONT TURN SIGNAL LAMP
RIGHT FRONT TURN SIGNAL LAMP
HAZARD FLASHER
TRANSMISSION
OVERDRIVE INDICATOR LAMP
BACK-UP
LAMPS
PARKING
LAMPS
BACK-UP
LAMP FEED
WINDSHIELD WASHER MOTOR
IGNITION START
IGNITION START (DIESEL)
HORNS
UNDERHOOD LAMP
ELECTRIC VACUUM
SENSOR
(DIESEL) WINDSHIELD WIPER SWITCH
WINDSHIELD WIPER SWITCH
A/C
COMPRESSOR CLUTCH
MALFUNCTION INDICATOR
4 WHEEL DRIVE SWITCH
BRAKE
SENSOR
SRI
LAMP
(GAS
ENGINE ONLY)
VEHICLE
SPEED
SENSOR
(2
WIRES)
TRANSMISSION
OVERDRIVE SWITCH
WINDSHIELD WIPER
LOW
SPEED
WINDSHIELD WIPER HIGH
SPEED
IGNITION-RUN
I
START
BATTERY FEED IGNITION SWITCH
(Bl)
IGNITION SWITCH
(B3)
SHEET
NO
4,6.30,47
66,67,68 78
43,45,47
36,38
23
43,46
46,47
22
27,28
23
43.45,56
43,45.56
3,5,56
12,14 7.79
43,45,47
7.9
53.55 8,9
30
29
34
54,55 67,69 19,22
13
32,34,36,38
19
19,25
12,14
54.55
10,23.77,78
3.5.39
4,6.10
4.6.10
TERMINAL
END
OF DISCONNECT
ff
p
45 46
47
48 49
50
35 36 37
38 39
40 41
42
43 44
29 30 31
© 32
33 34
23 24
25
© 26
27 28
17 18
19 ©
20 21 22
7 8 9
10 11
12 13
14 15 16
1
^
1.
2
3
4 5 &
J *j
LARGE
INDEX
INSTRUMENT PANEL
J938W-11
50-WAY BULKHEAD
DISCONNECT
AD
86
Page 605 of 1502
8W - 130
WIRING
DIAGRAMS
•
1 2 3
A 4
5 6
7
8
/
9
10
11
/
12 13
14
15 16
/
17
18
19
20
21
u
22
23
24
25 26
u
27
28 29
30
31
u
32 33
34
u
35 36
37
38 39
u
40
41 42
u
VIEW FROM WIRE
END
HEADLAMP
I
DASH
WIRING
CAV
IGNITION
SYSTEM CIRCUITS
SHEET
NO
1 A21
14DB
IGNITION
FEED 16
2
Zl 14BK
GROUND
9.68
3
4
LI 18VT/BK BACK-UP LAMPS 9
5 K54 200R/BK
EMCC
SOLENOID
11
6 A141 16DG/BK
FUEL PUMP 16
7
C20
18BR
A/C
COMPRESSOR CLUTCH 18
8 G3 20BK/PK MALFUNCTION INDICATOR LAMP 19
9 A14
16RD
BATTERY FEED 16
10
11
Zll
16BK/WT
SIGNAL GROUND
17
12 V40 18WT/PK
BRAKE
SIGNAL 35
13 Z12 16BK/TN
POWER
GROUND
17
14
T41 18BR/YL ENGINE STARTER RELAY COIL 9
15 G60 20GY/YL ENGINE
OIL
PRESSURE
SEND/UNIT 28
16 G6 20GY
ENGINE
OIL
PRESSURE
SWITCH 28
17 T6
200R/WT
TRANSMISSION
OD
OVERRIDE 12
18 T61 20BK/0R
TRANSMISSION
OD
LAMP SIGNAL
12
19
20
F20
18WT
BACK-UP LAMP SWITCH 9
21
22 T22 14DB/WT
EMCC
11
23
24
G24 20GY/PK
SRI
LAMP
19
25 C13 20DB/0R
A/C
COMPRESSOR CLUTCH RELAY
18
26 G20
20VT/YL
ECT SEND/UNIT
28
27
V31 20BR/RD VEHICLE
SPEED
CONTROL-
SET
35
28 V32 20YL/RD VEHICLE
SPEED
CONTROL- OFF/ON
35
29 V33
20WT/LG
VEHICLE
SPEED
CONTROL- RESUME 35
30
V35 20LG/RD VEHICLE
SPEED
CONTROL- VENT
35
31 V36 20TN/RD VEHICLE
SPEED
CONTROL- VACUUM
35
32
33 G7
20WT/0R
VEHICLE
SPEED
SENSOR 19
34
C3 14DB/BK
A/C
COMPRESSOR CLUTCH FEED 68
35
36
37
38
39
40
41
42
&
GjCUQjQ
UXJUXj
O
"IT
mJKXTV
ENGINE WIRING
- ENG
AD
89
GAS
ENGINE WIRING CONNECTOR
J938W-11
Page 610 of 1502
•
ENGINES
9 - S
ENGINE
DIAGNOSIS
Engine diagnosis is helpful in determining the
causes of malfunctions not detected and remedied by
routine tune-ups. These malfunctions may be classified as either per
formance (e.g., engine idles rough and stalls) or me chanical (e.g., a strange noise). Refer to the Service Diagnosis—Performance chart
and the Service Diagnosis—Mechanical chart for pos
sible causes and corrections of malfunctions. Refer to
Group 14, Fuel System for the fuel system diagnosis.
SERWIGE DIAGNOSIS (GASOLINE ENGINES)
-
PERFORMANCE
CONDITION
POSSIBLE
CAUSES
CORRECTION
ENGINE
WILL
NOT
START
1.
Weak
battery.
2.
Corroded
or
loose
battery
connections.
3.
Faulty
starter.
4.
Moisture
on
ignition wires and distributor
cap.
5.
Faulty
ignition
cables.
6.
Faulty
coil
or
control
unit.
7.
Incorrect
spark
plug
gap.
8.
Incorrect
ignition timing.
9.
Dirt
or
water
in
fuel
system.
10.
Faulty
fuel
pump.
1.
Test
battery
specific
gravity.
Charge
or
replace
as
necessary.
2. Clean
and
tighten
battery
connections.
Apply
a
coat
of light
mineral
grease
to
the terminals.
3. Refer to
Group
8A, Battery/Starter/Charging
System
Diagnostics.
4. Wipe
wires
and
cap
clean
and
dry.
5.
Replace
any
cracked
or
shorted
cables.
6.
Test
and
replace,
if
necessary
(refer
to
Group
8D,
Ignition
System).
7.
Set
gap
(refer
to
Group
8D, Ignition
System).
8. Refer to
Group
8D, Ignition
System.
9. Clean
system
and
replace
fuel
filter.
10. Install new
fuel
pump
(refer
to
Group
14,
Fuel
System).
ENGINE
STALLS
OR
ROUGH
IDLE
1.
Idle
speed
set
too
low.
2.
Idle
mixture
too
lean
or
too
rich.
3. Leak in
intake
manifold.
4. Worn or burned distributor
rotor.
5.
Incorrect
ignition wiring.
6.
Faulty
coil.
7.
EGR
valve leaking.
1.
Refer to
Group
14,
Fuel
System.
2. Refer to
Group
14,
Fuel
System.
3.
Inspect
intake
manifold
gasket
and
vacuum
hoses.
Replace,
if
necessary
(refer
to
Group
11,
Exhaust
System
&
Intake
Manifold).
4.
Install new distributor
rotor.
5. Install
correct
wiring.
6.
Test
and
replace,
if
necessary
(refer
to
Group
8D,
Ignition
System).
7.
Test
and
replace,
if
necessary
(refer
to
Group
25,
Emissions
Control
System).
J9309-105