INTRODUCTION
PRIMARY SECONDARY
PAINT PAINT VINYL ROOF
CODE VEHICLE
ORDER-
NUMBER
PAINT- PI
PROCEDURE
(2)
(1)
XXX
)
XXXXX)
X
XXX xxxxxx
X)0C xxxx xxxx xxxx xxx XXX x xxxxxxxxxxxxxxxxx
TRANSMISSION
I
VEHICLE IDENTIFICATION CODE
J
NUMBER
MARKET
U-C-B-M
CODE 90IN-3
Fig. 2 Vehicle Code Plate
VEHICLE CODE DECODING
VEHICLE
MODEL
•NUMBER
ENGINE
-CODE
-INTERIOR TRIM CODE
Line #1 Digit
1-3 Transmission Sales Code
Digit 4 Open Space
Digit
5
Market Code - U-C-B-M
Digit 6 Open Space
Digit 7-23 Vehicle Identification No.
Line #2 Digit
1-3 Paint Procedure
Digit 4 Open Space
Digit 5-8 Primary Paint
Digit 9 Open Space
Digit 10-13 Secondary Paint
Digit 14 Open Space
Digit 15-18 Trim Code
Digit 19 Open Space
Digit
20-22
Engine Sales Code
Digit 23 Open Space
Line #3 Digit 1-12 Vehicle Order Number
Digit 13 Open Space
Digit 14-16 Vinyl Roof Code (Door Combo
Digit
Code - Pillette)
Digit 17 Open Space
Digit 18-23 Model
J901N-20 MAJOR COMPONENT IDENTIFICATION
Refer to the applicable group for identification
data.
EQUIPMENT IDENTIFICATION PLATE
The Equipment Identification Plate is located at
the right, front corner of the inner hood panel. The
plate lists information concerning the vehicle as fol
lows:
The model
The wheelbase
The VIN (Vehicle Identification Number)
The
T.O.N,
(order number)
The optional and special equipment installed on
the vehicle
Refer to the information listed on the plate when
ordering replacement parts.
r§Wll
EQUIPMENT
IDENTIFICATION
mmm
MODELS
V.I.N. T.O.N.
CODE
NO.
DESCRIPTION
CODE
NO.
DESCRIPTION
. ^
Fig.
3 Equipment
Identification
Plate
•
TURN
SIGNALS
AND
HAZARD WARNING FLASHER
8J - 3 (4) Using an ohmmeter, test for continuity (no re
sistance) between the terminals of the switdh as shown in the following continuity chart (Pig. 4).
VIEW
FROM TERMINAL CASE
SWITCH POSITIONS
TURN
SIGNAL HAZARD WARNING
CONTINUITY
BETWEEN
NEUTRAL
OFF 12
AND 14 AND 15
LEFT
LEFT
LEFT
OFF
OFF
OFF 15
AND 16 AND 17
12
AND 14
22
AND 23 WITH OPTIONAL CORNER LAMPS
RIGHT
RIGHT
RIGHT
OFF
OFF
OFF 11
AND 12 AND 17
14
AND 15
23
AND 24 WITH OPTIONAL CORNER LAMPS
NEUTRAL
ON 11
AND 12 AND 13 AND 15 AND 16
908J-4
Fig.
4 Turn
Signal
and Hazard Switch Continuity Chart
MULTIFUNCTION SWITCH SERVICE PROCEDURES
REMOVAL
(1) Disconnect negative cable from battery.
(2) Remove tilt lever (Tilt column only).
(3) Remove both upper and lower steering column
covers. (4) Remove multifunction switch tamper proof
mounting screws (tamper proof torx bit Snap On
TTXR20B2 or equivalent required). (5) Gently pull switch away from column. Loosen
connector screw. The screw will remain in the con
nector. (6) Remove wiring connector from multifunction
switch (Fig. 5).
INSTALLATION
(1) Install wiring connector to switch and tighten
connector retaining screw to 17 in. lbs. (2) Mount multifunction switch to column and
torque retaining screws to 17 in. lbs. (3) Install steering column covers. Torque retain
ing screws to 17 in. lbs. (4) Install tilt lever (tilt column only).
(5) Install negative cable to battery.
(6) Check all functions of switch for proper opera
tion.
HAZARD
WARNING
908J-9
Fig.
5 Muitifunction Switch
WINDSHIELD
WIPER
AND
WASHER
SYSTEMS
8K - S
BLADE
PIVOT
ASSEMBLY
WIPER MOTOR
RK755
Fig.
6 Wiper
Linkage
RIGHT PIVOT ASSEMBLY
REMOVAL
(1) Remove wiper arms.
(2) Remove screws attaching louvered cowl cover
to dash panel. (3) Remove cowl cover by pulling forward with a
slight upward movement.
(4)
Reach through access hole and remove drive
link from right pivot by prying retainer bushing
from pivot pin with a suitable size screwdriver.
(5) Remove right pivot mounting screws.
(6) Remove pivot through access hole.
INSTALLATION (1) Position pivot into place, install mounting
screws, and tighten to 11 N*m (95 in. lbs.) torque. (2) Install right pivot pin in drive link retainer
bushing by snapping together with channel lock pli
ers.
(3) Position cowl cover into place, install mounting
screws and tighten securely.
(4)
Install wiper arms.
WIPER SWITCH REPLACEMENT
(1) Disconnect negative cable from battery.
(2) Remove tilt lever (Tilt column only).
(3) Remove both upper and lower steering column
covers.
(4)
Remove multifunction switch tamper proof
mounting screws.
(5) Gently pull switch away from column. Loosen
connector screw. The screw will remain in the con
nector.
(6) Remove wiring connector from multifunction
switch (Fig. 7).
HAZARD WARNING
BUTTON
WINDSHIELD WASHER BUTTON
WINDSHIELD WIPER CONTROL MULTI-FUNCTION
SWITCH
908J-9
Fig.
7 Multifunction
Switch
INSTALLATION
(1) Install wiring connector to switch and tighten
connector retaining screw to 2 Nnn (17 in. lbs.).
8L
- 10
LAMPS
•
INTERIOR
DOME LAMP
STANDARD
CAB (1) Remove two screws and lens.
(2) Twist bulb to remove.
LENS
SCREW
J908L-65
Fig.
1
Dome
Lamp
(Standard Cab)
EXTENDED
CAB (1) Squeeze the front and rear of the lens together
and pull down to remove (Fig. 2).
(2) Pull bulb down to remove from socket.
SPORT
UTILITY (1) Squeeze the front and rear of the lens together
and pull down to remove (Fig. 3). (2) Pull bulb down to remove from socket.
READING LAMP (SPORT
UTILITY)
(1) Squeeze the front and rear of the lens together
and pull down to remove (Fig. 4).
J908L-66
Fig.
2
Dome
Lamp
(Extended Cab)
LAMPS
LENS
J918L-30
Fig.
3
Dome
Lamp
(Sport
Utility)
(2) Remove 2 screws holding the dome and reading
lamp assembly to the mounting bracket.
(3) Lower the assembly.
(4) Remove the bulb.
ROOF
MOUNTING
SCREW
J918L-31
Fig.
4
Reading
Lamp
•
CHIME/BUZZER
WARNING
SYSTEMS
8U - 3
KEY-IN
SWITCH REPLACEMENT
REMOVAL
(1) Disconnect negative cable from battery.
(2) Tilt column only—remove tilt lever (counter
clockwise).
(3) Carefully remove both upper and lower steer
ing column covers. Requires removal of 3 screws (torx T-20). (4) Remove 3 ignition switch mounting screws
(tamper proof torx bit Snap On TTXR15A2 or equiv
alent required) (Fig. 6).
STEERING
COLUMN IGNITION
SWITCH
908D-14
Fig.
6 Ignition
Switch
Screw
Removal
(5) Gently pull switch away from column. Release
2 connector locks on 7 terminal wiring connector,
then remove connector from ignition switch.
(6) Release connector lock on 4 terminal Key In
and Halo light connector then remove connector from
ignition switch (Fig. 7).
KEY-IN SWITCH
&
HALO
LIGHT
MULTIFUNCTION
SWITCH
IGNITION SWITCH TURN SIGNAL
SWITCH
&
LEVER
SPEED
CONTROL
J918J-2
Fig.
7 Key In
Switch
And Halo
Lamp
Connector
(7) Remove key cylinder from ignition switch as
follows:
(a) Insert key in ignition switch and move switch
to Lock position. (b) Use a small screw driver to depress key cyl
inder retaining pin flush with key cylinder surface (Fig. 8).
IGNITION SWITCH MOUNTING
SCREWS
(3)
STEERING
COLUMN IGNITION
SWITCH
938 D-1
Fig.
8 Key Cylinder Pin
(c) Rotate key clockwise to Off position. The key
cylinder should now be unseated from ignition
switch assembly.
CAUTION:
Do not try to remove key cylinder at this
time.
(d) The key cylinder is unseated and the key cyl
inder bezel should be about 1/8 inch above ignition
switch halo light ring (Fig. 9). Rotate key counter
clockwise to Lock position and remove key.
KEY
CYLINDER
BEZEL
HALO
LIGHT
RING
908D-16
Fig.
9 Unseated Key Cylinder
COMPONENT
IDENTIFICATION
INDEX
Caption
Fig.
A/C-Heater
Wiring
15
Cab
Wiring (Extended
Cab)
8
Cab
Wiring (Standard Cab)
7
Door
Wiring (Body
Side)
10
Door
Wiring
9
Engine
Compartment Wiring
3.9L,
5.2L, and 5.9L
Gas
Engines
.17
Engine
Compartment Wiring
5.9L
Diesel
Engine
. 18
Engine
Wiring
3.9L
MPI
Engine
23
Engine
Wiring
5.2L
and 5.9L
MPI
Engine
24
Engine
Wiring
5.9L
Diesel
Engine
25
Four
Wheel Drive Wiring
.20
Frame
Wiring
2
Instrument Panel Wiring (Right
Side)
13
Caption
Fig^
Instrument Panel Wiring
12
Interior
Wiring (Sport
Utility)
6
Liftgate
Wiring (Sport
Utility)
......
4
Rear
Clearance Lamp Wiring
3
Roof
Wiring (Sport
Utility)
5
Starter Wiring
19
Steering
Column Wiring
. 11
Stop
Lamp Switch Wiring
. 14
Tail
Lamp Wiring
1
Transmission
Wiring (Diesel Engine)
. .22
Transmission
Wiring (Gas
Engines)
21
Underhood
Lamp Wiring
. .16
WIRING
DIAGfiAlS
8W - 13
TO FRONT
DOME LAMP
TO
VIEW REAR DOME
LAMP
TO
ROOF
WIRING
SPEAKER VIEWX J908W-85
Fig. 5 Roof Wiring (Sport Utility)
TO
LIFTGATE
GROUND TO DOME
LAMP TO BODY
WIRING
TO REAR
SPEAKER
TO SEAT
BELT
WIRING
J928W-170
Fig. 6 Interior Wiring (Sport Utility)
WIRING
DIAGRAMS
8W
- 37
WIRING DIAGRAMS AD-BODY
INDEX
Wiring Diagram Name Sheet Number
A/C
Heater System
with
Diesel Engine ............ .69,70 Blower Motor
. .69
Compressor
.70
Cycling Switch
.70
Diodes
70
Fuse
69
Low Pressure Switch
70
Resistor
. 69
Switch-Blower
. 69
Vacuum
Control
Switch
.69
Wide Open
Throttle
Cut-Out Relay
70
A/C
Heater System
with Gas
Engine .67,68 Blower Motor
.67
Compressor
.68
Cycling Switch
68
Low Pressure Switch
.68
Diodes
. .68
Fuse
. .67
Resistor
67
Switch-Blower
67
Vacuum
Control
Switch
.67
Wide Open
Throttle
Cutout Relay
68
Air Heater Relay Diesel Engine
.21
Air
Intake
Heater Diesel Engine
22
Anti-Lock Rear Brake System
with
Diesel Engine
.....
.33,34 Brake Warning Lamp Switch
34
Data Link Connector
33
Duel Solenoid Hydraulic Valve
34
Electronic Vacuum
Sensor
.34
Fuse
33
Module
.33
Park
Brake Switch
.33
Resistor
34
Rolls
Test Connector
33
Sensor
34
Stop
Lamp
34
Anti-Lock Rear Brake System
with Gas
Engine .31,32 Brake Warning Lamp Switch
.32
Data Link Connector
. .31
Dual Solenoid Hydraulic Valve
32
Fuse
31
Module
31
Park
Brake Switch
.31
Resistor
32
Rolls
Test Connector
31
Sensor
32
Stop
Lamp Switch
32
Back-Up
Lamp Switch
with
Diesel Engine
.7
Back-Up
Lamp Switch
with Gas
Engine
.9
Battery
.1,3,5
Brake Warning
Indicator
Lamp (Diesel Engine)
.57
Brake Warning
Indicator
Lamp
(Gas
Engine)
58
Brake Warning
Indicator
Lamp Switch (Diesel Engine)
. . . .34
Wiring Diagram Name Sheet Number
Brake Warning
Indicator
Lamp Switch
(Gas
Engine)
32
Bulkhead Disconnect 50-Way .85,86
Buzzer-Combined Headlamp,
Key In, and
Seat
Belt
. . .
.27,28
Bypass
Jumper
(Clutch
Pedal Position)
8
Cargo
Lamp .49,50
Cargo
Lamp Switch
49
Charging System
with
Diesel Engine ..............
.5,6
Battery
5
Generator
. .6
Charging System
with
Gas Engine
.3,4
Battery
3
Generator
, . .4
Cigar
Lighter,
Ash &
Glove
Box
Lamps
52
Circuit
Breakers Power Windows
2,71
Clearance Lamps Duel Rear Wheels
.
.41,43 Clearance Lamps Roof Mounted
40
Clockspring 30,36,38
Clutch Pedal Position Switch
.8
Cold
Start
Advance Motor
24
Compressor,
A/C
68,70 Data Link Connector 17,23,31,33
Data Link Connectors
Rear
Wheel Anti-Lock Diesel Engine
.33
Rear
Wheel Anti-Lock Gas Engine
31
Daytime Running
Light
Module
46
Diesel
Control
System .21,22,23,24,25,26
Air Heater Relay
. .21
Air
Intake
Heater
21
Automatic
Shut Down Relay
22
Cold
Start
24
Crankshaft Position
Sensor
. .25
Data Link Connector
. .23
Engine
Coolant Temp Switch
.26
Fuel Heater
24
Fuel Solenoid
24
Intake
Air
Temp
Sensor
25
Powertrain
Control
Module 21,22,23,25,26
Resistor
.24
Thermo Switch
24
Throttle
Position (Sensor)
26
Transmission Thermo Switch
. . .26
Vehicle Speed
Sensor
25,26 Water
in
Fuel
Sensor
.25
Dimmer Switch-Headlamp
. .47
Diode 68,70
Diode
and
Mold Assembly
51
Dome
and
Cargo Lamp
50
Door
Jamb Switches
49
Left
Switch
.49
Right Switch
49
Dual Solenoid Hydraulic Valve
.32
EMCC
System (3-Speed)
. .11