1994 JEEP CHEROKEE trailer

Wiring Diagram Name Sheet Number
Right Power Mirror.........................73
Power Mirrors.............................73
Power Seat..............................77,78
Left Power Seat Motor Assembly................77
Left Power Seat Switch.......................78
Power Steering Pressure Switch...................15
Powertrain Control Module......11,12,13,14,15,16,17,18,19,
20,21,22,23,35,36,45,55,69
Powertrain Control Module (PCM) Connector..........111
Power Windows.......................79,80,81,82
Left Front Door Window Motor..................81
Left Rear Door Window Motor..................82
Left Rear Door Window Switch..................82
Power Window Switch.......................79
Right Front Door Window Switch................81
Right Front Door Window Motor.................81
Right Rear Door Window Motor.................82
Right Rear Door Window Switch.................82
Power Window Switch.........................79
Printed Circuit Boards.................57,58,59,60,61
Pumps
Front Washer...........................63,64
Rear Washer..............................65
Radiator Fan Motor...........................23
Radio....................................71
Antenna Mast.............................71
Left Front Door Speaker......................71
Left Instrument Panel Speaker..................71
Left Liftgate Speaker.........................72
Right Front Door Speaker.....................72
Right Instrument Panel Speaker.................72
Right Liftgate Speaker........................72
Reading Lamps..............................51
Rear Lighting...................91,92,93,94,95,96,97
Left Back-Up Lamp........................91,93
Left Side Marker Lamp (Rear)................91,93
Left Tail/Stop Lamp.......................91,93
Left Turn Lamp (Amber)....................91,93
Left Turn Relay............................97
License Lamp...........................91,95
Right Back-Up Lamp.......................92,96
Right Side Marker Lamp (Rear)...............92,96
Right Tail/Stop Lamp......................92,96
Right Turn Lamp (Amber)...................92,96
Right Turn Relay...........................97
Stop Lamp Relay...........................97
Trailer Tow Connector........................93
Trailer Tow In-Line Circuit Breaker................97
Rear Lighting With Trailer Tow............93,94,95,96,97
Rear Lighting Without Trailer Tow................91,92
Rear Washer Pump...........................65
Rear Wiper Motor............................65
Rear Wiper/Washer Motor.......................65
Rear Washer Pump...........................65
Rear Wiper Motor............................65
Rear Wiper/Washer Switch......................65
Rear Wiper/Washer Switch Lamp..................47
Reed Switch................................26Wiring Diagram Name Sheet Number
Relays
ABS #1 Relay............................3,31
ABS #2 Relay............................3,31
A/C Compressor Clutch Relay..................3,69
Automatic Shut Down Relay.................3,12,17
Cooling Fan Relay...........................3
EMCC Relay.............................3,27
Engine Starter Relay.......................3,7,8
Fan Control Relay...........................23
Fuel Pump Relay........................3,12,17
Heated Rear Window Relay....................66
High Beam Relay...........................40
Horn Relay...............................34
L.C.D. Illumination Relay......................52
Left Turn Relay............................97
Park Lamp Relay...........................39
Power Door Lock Relay.......................83
Power Door Unlock Relay.....................83
Right Turn Relay...........................97
Stop Lamp Relay...........................97
Relay Center Identification......................113
Remote Keyless Entry System....................28
Remote Keyless Entry Module...................28
Remote Keyless Entry Module Connector...........114
Resistor,Ballast..............................39
Resistor,Blower..............................68
Right Front Door Jamb Switch....................76
Right Front Door Speaker.......................72
Right Front Door Window Switch..................81
Right Front Wheel Sensor.......................29
Right Front Door Connector and Door Lock Switch
Function Chart.............................87
Right Front Door Lock Motor.....................86
Right Instrument Panel Speaker...................72
Right Liftgate Speaker.........................72
Right Front Door Window Connector and Window Lift
Switch Function Chart........................87
Right Rear Door Jamb Switch....................76
Right Rear Door Window Connector and Window Lift
Function Chart.............................88
Right Rear Wheel Sensor.......................29
Right Turn Relay.............................97
Seat Belt Switch.............................74
Seat Belt Warning Indicator Lamp................57,58
Sensors
Ambient Temperature Sensor...................53
Camshaft Position Sensor...................11,20
Crankshaft Position Sensor...................11,20
Engine Coolant Temperature Sensor.............14,19
G Sensor................................30
Heated Oxygen Sensor.....................13,21
Intake Air Temperature Sensor................14,19
Left Front Wheel Sensor......................29
Left Rear Wheel Sensor.......................29
MAP Sensor............................14,19
Pedal Travel Sensor.........................30
Right Front Wheel Sensor.....................29
Right Rear Wheel Sensor......................29
JWIRING DIAGRAMS 8W - 153

Wiring Diagram Name Sheet Number
Power Steering Pressure Switch.................15
Power Window Switch.......................79
Rear Wiper/Washer Switch.....................65
Reed Switch..............................26
Right Door Lock Switch......................85
Right Front Door Jamb Switch..................76
Right Front Door Window Switch................81
Right Rear Door Jamb Switch..................76
Right Rear Door Window Switch.................82
Seat Belt Switch...........................74
Stop Lamp Switch..........................46
Transmission Range Switch....................25
Turn/Hazard Flasher Switch....................46
Vehicle Speed Control Switch...................35
Washer Fluid Level Switch.....................55
Wiper/Washer Switch......................63,64
Tachometer............................59,60,61
Telltale Connector.........................56,107
Thermostat,A/C..............................69
Throttle Position Sensor......................14,19
Trailer Tow Connector..........................93
Trailer Tow In-Line Circuit Breaker.................97
Transmission Range Switch......................25
Transmission Range Switch Lamp..................48
Transfer Case Lamp...........................48
Transmission Control Magnetic Trigger Wheel..........26
Transmission Control System...................25,26
Back-Up Lamp Switch........................25
Front Axle Switch...........................26
Data Link Connector.........................25
Indicator Lamp 4WD.........................26Wiring Diagram Name Sheet Number
Transmission Control Magnetic Trigger Wheel.........26
Transmission Control Module.................25,26
Transmission Range Switch....................25
Turn Signal Flasher...........................45
Turn/Hazard Flasher Switch Assembly...............46
Transmission Control Module (TCM) Connector........105
Underhood Lamp............................34
Underhood Lamp/Horn System....................34
Horn Relay...............................34
Horn Brush/Slip Ring........................34
Horn Switch..............................34
Horn Left Side.............................34
Horn Right Side............................34
Underhood Lamp...........................34
Upshift Indicator Lamp.......................57,58
Vanity Lamps.............................51,53
Vehicle Speed Control Sensor..................11,20
Vehicle Speed Control Servo.....................36
Vehicle Speed Control System..................35,36
Hazard Flasher.............................35
Powertrain Control Module...................35,36
Vehicle Speed Control Switch...................35
Voltmeter..............................59,60,61
Wall Plug,Engine Block Heater....................37
Washer Fluid Level Switch......................55
Wheel Sensors..............................29
Windshield Wiper Circuit Breaker................63,64
Windshield Wiper System (Standard)................63
Windshield Wiper System (Intermittent)..............64
Wiper/Washer Switch........................63,64
JWIRING DIAGRAMS 8W - 155

The retaining screws and the steering gear
skid plate must be removed before the left strap
can be removed from the sillmember.
(6) Detach the tow hook straps from the sillmem-
ber.
(7) Remove the support and the bumper from the
vehicle.
(8) Remove the nuts and bolts that attach the tow
hooks to the bumper support brackets.
(9) Remove the tow hook from the bumper support
bracket (Fig. 4).
(10) Remove the support bracket from the bumper
rail.
INSTALLATION
(1) If equipped, install the bumper guard and
bumper support bracket on the bumper rail. Tighten
the retaining hardware in the sequence indicated in
Figure 7. Tighten locknuts to 20 Nzm (15 ft-lbs)
torque. Tighten bolts to 56 Nzm (41 ft-lbs) torque.
(2) If not equipped with bumper guards, install the
bumper support bracket on the bumper rail. Tighten
bolts to 56 Nzm (41 ft-lbs) torque.
(3) Position the tow hook at the support bracket.
Install the bolts and nuts that attach tow hook to the
bumper support bracket. (Fig. 4). Tighten nuts to 100
Nzm (74 ft-lbs) torque.
(4) Position and support the bumper at the front of
the vehicle.
(5) Attach the bumper support brackets to the
right and left sillmembers and reinforcement brack-
ets. Tighten screws and bolts to 56 Nzm (41 ft-lbs)
torque.
(6) If equipped, install the Torx-head bolts and
locknuts that attach the tow hook straps to the un-
derbody sillmember. Tighten locknuts to 30 Nzm (22
ft-lbs) torque.
Install the steering gear skid plate and screws
after the left tow hook strap has been installed.
(7) If equipped, connect the fog lamp wire harness
connectors. Connect the vacuum reservoir tube har-
ness connectors.
(8) Remove the bumper support.
REAR BUMPER
REMOVAL
(1) For vehicles equipped with a trailer hitch, re-
move the hitch before removing the bumper. If nec-
essary, refer to the removal procedure within Group
23ÐBody Components.
(2) Raise and support the rear of the vehicle.
(3) Support the bumper.
(4) Remove the bolts that attach the bumper sup-
port brackets to the sill crossmember (Fig. 12).
(5) Remove the support and the rear bumper from
the vehicle.(6) Remove the bumper support brackets and
splash shield the bumper, if necessary (Fig. 13).
(7) Remove the bumper end caps (Fig. 14) and
bumper guards from the bumper (Fig. 15), if neces-
sary.
INSTALLATION
(1) As applicable, install the splash shield and
bumper support brackets, the bumper end caps and
the bumper guards.
(2) Tighten the bumper support bolts to 56 Nzm
(41 ft-lbs).
(3) Tighten the nuts in the sequence depicted in
Figure 14. Tighten the bumper end cap plate bolt
nuts to 22 Nzm (16 ft-lbs) torque. Tighten the lower
bolt nuts to 8 Nzm (6 ft-lbs) torque.
(4) If applicable, tighten the bumper guard bolts/
nuts to 56 Nzm (41 ft-lbs).
(5) Position and support the bumper with the
bracket holes aligned with the sill crossmember
Fig. 12 Rear Bumper Removal/InstallationÐXJ
Vehicles
Fig. 13 Bumper Bracket & Splash Shield Removal/
InstallationÐXJ Vehicles
13 - 6 FRAME AND BUMPERSJ

holes. Install the bracket-to-crossmember bolts.
Tighten the bolts to 42 Nzm (31 ft-lbs) torque.
(6) If removed, install the trailer hitch. If neces-
sary, refer to the installation procedure within Group
23ÐBody Components.
Fig. 14 Bumper End Cap Removal/InstallationÐXJ
Vehicles
Fig. 15 Bumper Guard Removal/InstallationÐXJ
Vehicles
JFRAME AND BUMPERS 13 - 7

UNDERBODY COMPONENTS
INDEX
page page
Catalytic Converter/Muffler/Tailpipe Support
Brackets............................. 85
Front Skid Plate......................... 84
Fuel and Brake Fluid Tube Retainer Clip....... 86
Fuel Filler Hose Splash ShieldÐXJ Vehicles.... 86
Fuel Filter Bracket........................ 86Fuel Tank Skid Plate...................... 84
Fuel Tank Support Strap................... 86
Rear Tow HookÐXJ Vehicles............... 87
Service Information....................... 84
Trailer Hitches........................... 88
Transfer Case Skid Plate.................. 84
SERVICE INFORMATION
In some cases, components in the following proce-
dures either support, or are concealed by other com-
ponents. When necessary, refer to component
removal procedure for service access.
FRONT SKID PLATE
REMOVAL
(1) Remove the screws that attach skid plate to
side sills (Fig. 1).
(2) Remove the nuts that attach the skid plate to
the crossmember (Fig. 1).
(3) Remove the skid plate from the vehicle (Fig. 1).
INSTALLATION
(1) Position the skid plate at front crossmember
and side sills (Fig. 1).
(2) Install the nuts to attach the skid plate to
crossmember.(3) Install the screws to attach skid plate to side
sills.
TRANSFER CASE SKID PLATE
REMOVAL
(1) Support the skid plate.
(2) Remove the bolts that attach the skid plate to
the transmission support crossmember and frame sill
(Fig. 2).
(3) Remove the support and skid plate from the ve-
hicle.
INSTALLATION
(1) Position and support the skid plate at the
frame sill and transmission support crossmember
(Fig. 2).
(2) Attach the skid plate to the frame sill and
crossmember with bolts. Tighten bolts to 22 Nzm (16
ft-lbs) torque.
FUEL TANK SKID PLATE
REMOVALÐXJ VEHICLES
(1) Position a support under skid plate.
(2) Remove the bolts that attach skid plate to un-
derbody side rails (Figs. 3 and 4).
Fig. 1 Front Skid Plate Removal/Installation
Fig. 2 Transfer Case Skid Plate
23 - 84 BODY COMPONENTSÐXJ VEHICLESJ

(3) Remove the support and the skid plate from
the vehicle.
INSTALLATIONÐXJ VEHICLES
(1) Position and support skid plate under fuel
tank.
(2) Install bolts to attach the skid plate to under-
body rails. Tighten the bolts to 50 Nzm (37 ft-lbs)
torque.
(3) Remove the support from under skid plate.
CATALYTIC CONVERTER/MUFFLER/TAILPIPE
SUPPORT BRACKETS
REMOVAL
(1) As applicable, detach the catalytic converter,
muffler or tailpipe support bracket from insulator.
Remove the insulator from bracket.
(1) As applicable, install nuts and bolts, or screws
that attach bracket to frame. Tighten nuts/screws to
21 Nzm (16 ft-lbs) torque.(2) Install insulator on support bracket.
Fig. 1 Catalytic Converter Support Bracket
Fig. 2 Muffler/Tailpipe Support BracketÐXJ Vehicles
Fig. 3 Tailpipe Support BracketÐXJ Vehicles
Fig. 3 Fuel Tank Skid Plate W/O Trailer Hitch Or Tow
Hook
Fig. 4 Fuel Tank Skid Plate With Trailer Hitch Or
Tow Hook
JBODY COMPONENTSÐXJ VEHICLES 23 - 85

The reinforcement bracket is held on the
frame rail with two blind rivets.
(2) Remove the bracket and tow hook from frame
rail.
INSTALLATION
(1) Position bracket and tow hook on the frame
rail.
(2) Install bolts that attach tow hook bracket to
frame rail and reinforcement bracket. Tighten bolts
to 75 Nzm (55 ft-lbs) torque.
TRAILER HITCHES
CLASS III HITCHÐXJ VEHICLES
A class III weight-distributing/equalizer type hitch
can be used to tow a trailer:
²having a maximum gross weight of 5,000 lbs/2250
kg, and
²having a maximum tongue weight of 750 lbs/332
kg).
The following vehicle basic equipment is required
for class III trailer towing:
²P205/75R15 or larger tires;
²full size spare tire;
²trailer sway control;
²trailer tow wire harness and connector;
²heavy duty turn signal flasher element;
²heavy duty axle (with synthetic lubricant);²heavy duty cooling system;
²heavy duty generator/battery;
²auxiliary automatic transmission fluid cooler; and
²I-6, 4.0L engine.
Wide-angle type door mirrors are recommended but
not required.
WIRE HARNESS CONNECTORS
CLASS I HITCH CONNECTOR
The trailer tow wire harness connector for class I
trailer hitches is a 5-terminal, in-line type connector.
Terminal 5 is the source for vehicle ground.
CLASS III HITCH CONNECTOR
The trailer tow wire harness connector for class III
trailer-tow hitches is a 7-terminal, circular type con-
nector.
The 12-volt circuit for the trailer is protected
from overloads. A auto-reset type circuit
breaker is located in the trailer tow wire har-
ness near the plug-in relays.
CAUTION: The trailer tow wire harness package
does not include a vehicle battery isolator unit. Be-
cause of this, the trailer battery can totally dis-
charge the vehicle battery if the engine is not
operated for an extended period of time.
Fig. 11 Trailer Tow Wire Harness Connectors
23 - 88 BODY COMPONENTSÐXJ VEHICLESJ

A blue wire (without a connector) located under in-
strument panel near fuse panel is available for
trailer electric brake control unit.
The stop lamp and turn signal plug-in relays are
located behind left quarter trim panel.
HITCH REMOVALÐXJ VEHICLES
An XJ class III, weight-distributing/equalizer type
hitch is comprised of:
²a towing tube with a ball mount receptacle, and²various reinforcement/support brackets that are at-
tached to the vehicle frame sills and rear crossmem-
ber with bolts.
(1) If necessary, remove the trailer tow wire har-
ness connector from the hitch.
(2) Support the hitch.
(3) Remove the bolts that attach the towing tube
to the frame sills and reinforcement bracket. If
equipped, remove the fuel tank skid plate.
Fig. 14 Equalizer Type HitchÐXJ Vehicles
Fig. 12 Class III Trailer Tow Wire Harness and
ConnectorsFig. 13 Class III Trailer Tow Wire Harness Plug-In
Relays
JBODY COMPONENTSÐXJ VEHICLES 23 - 89