ASE News & Articles

Article Summary

2008 Jeep Wrangler Component Locations

2008 JEEP

Wrangler

BUZZERS, RELAYS & TIMERS

BUZZERS, RELAYS & TIMERS LOCATION

Component

Location
Auto Shut Down Relay
In totally integrated power module. See

Fig. 12
.
Locker Relay-Front (Off-Road)
At passenger side of rear engine compartment. See

Fig. 1
.
Locker Relay-Rear (Off-Road)
At passenger side of rear engine compartment. See

Fig. 1
.
Radiator Fan Control Relay
In totally integrated power module. See

Fig. 12
.
Radiator Fan Relay-High
At left front of engine compartment.
Rear Window Defogger (Hard Top) Relay
In totally integrated power module. See

Fig. 12
.
Run/Accessory Relay
In totally integrated power module. See

Fig. 12
.
Run Relay
In totally integrated power module. See

Fig. 12
.
Run/Start Relay
In totally integrated power module. See

Fig. 12
.
Starter Motor Relay
In totally integrated power module. See

Fig. 12
.
Transmission Control (EATX) Relay
In totally integrated power module. See

Fig. 12
.

CIRCUIT PROTECTION DEVICES

CIRCUIT PROTECTION DEVICES LOCATION

Component

Location
Circuit Breaker 1
In totally integrated power module. See

Fig. 12
.
Totally Integrated Power Module
At passenger side of engine compartment. See

Fig. 1
.

CONTROL UNITS

CONTROL UNITS LOCATION

Component

Location
Anti-Lock Brake Module (ESP)
At driver side of engine compartment. See

Fig. 2
.
Fuel Pump Module
At fuel tank. See

Fig. 15
.
Occupant Restraint Controller Module
Under center console. See

Fig. 3
.
Powertrain Control Module
At left side of engine compartment. See

Fig. 13
.
Radiator Cooling Fan Module
At front of engine compartment.
Sentry Key Remote Entry/WCM Module
At steering column.

MOTORS

MOTORS LOCATION

Component

Location
Actuator-Recirculation Door
At passenger side of dash.
Blower Motor
At passenger side of dash.
Windshield Washer Pump
At left front of engine compartment. See

Fig. 2
.

SENDING UNITS & SENSORS

SENDING UNITS & SENSORS LOCATION

Component

Location
ABS Wheel Speed Sensor-Left Front
Near left front wheel.
ABS Wheel Speed Sensor-Left Rear
Near left rear wheel.
ABS Wheel Speed Sensor-Right Front
Near right front wheel.
ABS Wheel Speed Sensor-Right Rear
Near right rear wheel.
Accelerator Pedal Position Sensor
At base of pedal.
Ambient Air Temperature Sensor
At center front of engine compartment.
Brake Fluid Level Sensor
At driver side of engine compartment. See

Fig. 2
.
Camshaft Position Sensor
On engine.
Crankshaft Position Sensor
On engine.
Dynamics (ESP) Sensor
At front center of body. See

Fig. 3
.
Engine Coolant Temperature Sensor
On engine.
Evaporator Temperature Sensor
Below driver side of dash.
Impact Sensor-Left Front
At left front of engine compartment.
Impact Sensor-Right Front
At right front of engine compartment.
Impact Sensor 1 - Left Side
At lower left “B” pillar. See

Fig. 5
.
Impact Sensor 1 - Right Side
At lower right “B” pillar. See

Fig. 5
.
Input Speed Sensor (ETAX)
On transmission.
Intake Air Temperature Sensor
On engine.
Knock Sensor
On engine.
Line Pressure Sensor (RFE)
On transmission.
Map Sensor
On engine.
Output Speed Sensor
On transmission.
Oxygen Sensor 1/1
At rear of engine.
Oxygen Sensor 1/2
At rear of engine.
Oxygen Sensor 2/1
At rear of engine.
Oxygen Sensor 2/2
At rear of engine.
Seat Track Position Sensor-Driver
Under driver seat. See

Fig. 4
.
Transmission Range Sensor
On transmission.
Variable Line Pressure Assembly
On transmission.

SOLENOIDS & SOLENOID VALVES

SOLENOIDS & SOLENOID VALVES LOCATION

Component

Location
A/C Compressor Clutch
On engine.
EVAP/Purge Solenoid
At right rear of engine compartment. See

Fig. 1
.
Fuel Injector 1
On engine.
Fuel Injector 2
On engine.
Fuel Injector 3
On engine.
Fuel Injector 4
On engine.
Fuel Injector 5
On engine.
Fuel Injector 6
On engine.
Locker Solenoid-Front
At front differential.
Locker Solenoid-Rear
At rear differential.
Transmission Solenoid/TRS Assembly
On transmission.

SWITCHES

SWITCHES LOCATION

Component

Location
Backup Lamp Switch
On transmission.
Clutch Interlock Switch
At rear of engine compartment. See

Fig. 2
.
EVAP System Monitor Switch
At EVAP canister near fuel tank.
Hood Ajar Switch
At left front of engine compartment.
Locker Switch-Front (Off Road)
At front differential.
Locker Switch-Rear (Off Road)
At rear differential.
Oil Pressure Switch
On engine.
Parking Brake Switch
At base of brake lever. See

Fig. 3
.
Seat Belt Switch-Driver
Under driver seat at retractor.
Seat Belt Switch-Passenger
Under passenger seat at retractor.
Stop Lamp Switch
At base of brake pedal.
Transfer Case Switch
On transmission.

MISCELLANEOUS

MISCELLANEOUS LOCATION

Component

Location
A/C Pressure Transducer
On engine.
Airbag Squib-Left Seat (Side Airbags)
At left side of left seat.
Airbag Squib-Right Seat (Side Airbags)
At left side of left seat.
Airbag Squib 1 - Driver
On steering wheel.
Airbag Squib 1 - Passenger
At passenger side of dash.
Airbag Squib 2 - Driver
On steering wheel.
Airbag Squib 2 - Passenger
At passenger side of dash.
Blower Motor Resistor
At passenger side of dash.
Data Link Connector
At lower driver side of dash. See

Fig. 14
.
EGR Valve Assembly
On engine.
Generator
On engine.
Horn 1
At right front of engine compartment.
Horn 2
At right front of engine compartment.
Ignition Coil
On engine.
Throttle Body
On engine.

CONNECTORS

CONNECTORS LOCATION

Component

Location
C100 (Black, 34 Pin)
At rear of engine compartment. See

Fig. 2
.
C102 (Black, 20 Pin)
At engine harness to intake harness.
C103 (Black, 10 Pin)
At passenger side front of engine compartment. See

Fig. 1
.
C104 (Dark Gray, 2 Pin)
At driver side of front engine compartment. See

Fig. 2
.
C105 (Black, 34 Pin)
At passenger side of engine compartment. See

Fig. 1
.
C106 (Black, 10 Pin)
At rear of engine compartment. See

Fig. 1
.

C108 (Black, 2 Pin)
At left front of engine compartment.
C109 (Black, 2 Pin)
At right front of engine compartment.
C200 (Black, 34 Pin)
At passenger side of dash. See

Fig. 6
.
C201 (Black, 20 Pin)
At passenger side of dash. See

Fig. 6
.
C202 (Black, 2 Pin)
At front of left front door. See

Fig. 9
.
C203 (Black, 2 Pin)
At front of right front door. See

Fig. 9
.
C300 (Black, 34 Pin)
At right front of engine compartment. See

Fig. 1
.
C302 (Black, 2 Pin)
At lower left “B” pillar. See

Fig. 5
.
C303 (Black, 2 Pin)
At lower right “B” pillar. See

Fig. 10
.
C304 (Yellow, 2 Pin)
At body floor, under left seat. See

Fig. 7
.
C305 (Yellow, 2 Pin)
At body floor, under right seat. See

Fig. 7
.
C306 (Dark Gray, 4 Pin)
At body floor, under left seat. See

Fig. 7
.
C308 (Light Gray, 8 Pin)
At roof, near right “B” pillar. See

Fig. 10
.
C309 (Hard Top) (Black, 6 Pin)
At left rear body. See

Fig. 11
.
C310 (Light Gray, 10 Pin)
At body floor, between front seats. See

Fig. 7
.
C311 (Dark Gray, 6 Pin)
On trailer tow harness.

GROUNDS

GROUNDS LOCATION

Component

Location
G100
On battery cable.
G101
On battery cable.
G102
At right front of engine compartment, near headlamp assembly.
G103
At passenger side of engine compartment. See

Fig. 1
G104
On engine harness.
G105
At passenger side of engine compartment. See

Fig. 1
G106
At driver side of engine compartment. See

Fig. 2
G107
At driver side of engine compartment. See

Fig. 2
G200
At driver side of dash. See

Fig. 14
.
G201
At passenger side of dash. See

Fig. 6
G202
At driver side of dash. See

Fig. 14
.
G203
At passenger side of dash. See

Fig. 6
.
G300
At body floor between front seats. See

Fig. 7
.
G301
At body floor below right front seat. See

Fig. 7
.

SPLICES

SPLICES LOCATION

Component

Location
S102
On engine.
S111
At rear of engine compartment. See

Fig. 2
.
S112
At rear of engine compartment. See

Fig. 2
.
S116
At front of engine compartment, near ambient air temp sensor breakout.
S117
At right front of engine compartment, near headlamp assembly.
S120
At passenger side of rear engine compartment. See

Fig. 1
.
S121
On engine.
S122
On engine.
S128
On engine.
S129
On engine.
S130
On engine.
S131
On engine.
S132
On engine.
S133
On engine.
S136
On engine.
S137
On engine.
S138
On engine.
S140
On headlamp harness.
S143
On engine.
S143
On engine.
S144
On engine harness.
S152
At rear of engine compartment. See

Fig. 1
.
S164
On engine harness.
S165
On engine harness.
S166
On engine harness.
S169
At rear of engine compartment. See

Fig. 1
.
S179
At right side of engine compartment. See

Fig. 1
.
S180
At right side of engine compartment. See

Fig. 1
.
S181
At right side of engine compartment. See

Fig. 1
.
S221
At lower driver side of dash, near stop lamp switch breakout.
S222
At rear of engine compartment, near grommet to dash.
S223
At lower driver side of dash, near stop lamp switch breakout.
S224
At rear of engine compartment, near grommet to dash.
S233
At driver side of dash, near cluster breakouts.
S234
At passenger side of dash, near blower breakout.
S237
At steering column, near ignition switch breakout.
S238
At steering column, near ignition switch breakout.
S242
At driver side of dash, near cluster breakouts.
S243
At center of dash, near center stack breakout.
S244
At center of dash, near center stack breakout.
S245
At right of dash, near tweeter breakout.
S246
At driver side of dash, near cluster breakouts.
S251
At rear of engine compartment, near grommet to dash.
S253
At passenger side of dash, near blower breakout.
S273
At passenger side of dash, near speaker breakout.
S274
At passenger side of dash, near blower breakout.
S291
At driver side of front of shifter.
S292
At driver side front of shifter.
S295
At passenger side of dash, near window switch breakout.
S296
At passenger side of dash, near speaker breakout.
S297
At rear of engine compartment, near grommet to dash.
S298
At dash.
S301
At rear fascia, near license lamp breakout.
S302
At rear fascia, near C301 breakout.

S307
At right front of chassis harness, near wheel speed sensor breakout.
S308
At right front chassis harness, near wheel speed sensor breakout.
S309
On chassis harness.
S310
On chassis harness.
S311
On chassis harness.
S312
On chassis harness.
S330
At body floor, under right seat. See

Fig. 7
.
S331
At body floor, under left seat. See

Fig. 7
.
S332
At body floor, under right seat. See

Fig. 7
.
S333
At body floor, under right seat. See

Fig. 7
.
S334
At body floor, under left seat. See

Fig. 7
.
S335
At right rear body. See

Fig. 8
.
S353
Near rear power window switch.
S371
At trailer tow jumper, near C311 breakout.
S372
At trailer tow jumper, near C311 breakout.
S373
At trailer tow jumper, near C311 breakout.

COMPONENT LOCATION GRAPHICS

NOTE:

Figures may show multiple component locations. Refer to appropriate table for

proper figure references.

Fig. 1: Right Engine Compartment

Courtesy of CHRYSLER LLC

Fig. 2: Left Engine Compartment

Courtesy of CHRYSLER LLC

Fig. 3: Front Center Body

Courtesy of CHRYSLER LLC

Fig. 4: Driver Seat Track

Courtesy of CHRYSLER LLC