2008 JEEP Wrangler

Jeep Wrangler Unlimited Rubicon 2008 - BUZZERS, RELAYS & TIMERS

Jeep Wrangler Unlimited Rubicon 2008 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.

Jeep Wrangler Unlimited Rubicon 2008 - CIRCUIT PROTECTION DEVICES

Jeep Wrangler Unlimited Rubicon 2008 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.

Jeep Wrangler Unlimited Rubicon 2008 - CONTROL UNITS

Jeep Wrangler Unlimited Rubicon 2008 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.

Jeep Wrangler Unlimited Rubicon 2008 - MOTORS

Jeep Wrangler Unlimited Rubicon 2008 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.

Jeep Wrangler Unlimited Rubicon 2008 - SENDING UNITS & SENSORS

Jeep Wrangler Unlimited Rubicon 2008 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.

Jeep Wrangler Unlimited Rubicon 2008 - SOLENOIDS & SOLENOID VALVES

Jeep Wrangler Unlimited Rubicon 2008 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.

Jeep Wrangler Unlimited Rubicon 2008 - SWITCHES

Jeep Wrangler Unlimited Rubicon 2008 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.

Jeep Wrangler Unlimited Rubicon 2008 - MISCELLANEOUS

Jeep Wrangler Unlimited Rubicon 2008 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.

Jeep Wrangler Unlimited Rubicon 2008 - CONNECTORS

Jeep Wrangler Unlimited Rubicon 2008 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.

Jeep Wrangler Unlimited Rubicon 2008 - GROUNDS

Jeep Wrangler Unlimited Rubicon 2008 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.

Jeep Wrangler Unlimited Rubicon 2008 - SPLICES

Jeep Wrangler Unlimited Rubicon 2008 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.