Components

Component Location Connector
4x2 Center Axle Disconnect
Solenoid Right rear corner of engine compartment C181
4X4 Center Axle Disconnect
Solenoid Right rear corner of engine compartment C180
4Wheel Ant-Lock Brake System Relay In power distribution relay box *
4 Wheel Anti-Lock Brake System
Module Left side of engine compartment C146,C147
4 Wheel Drive Mode Switch Center of Instrument Panel (I/P) C23O
Accessory Delay Relay In junction box fuse/relay panel *
A/C Clutch Diode Taped in harness, near A/C
compressor clutch *
A/C Clutch Cycling
Pressure Switch Right rear corner of engine compartment C139
A/C Compressor Clutch
Solenoid Left side of engine compartment C106
A/C Pressure Cutoff Switch Right side of engine compartment C170
Air Bag Diagnostic Monitor Behind right side of I/P C208,C209
Air Suspension
Compressor Relay Near right headlamp C1000
Air Suspension Compressor Motor
and Vent Solenoid Assembly Right front radiator support C194
Air Suspension/Electronic Variable Orifice
Steering Module Behind center of I/P C295,C296
Air Suspension Service Switch Behind right side of I/P C291
All Lock Relay In lock relay Block *
All Unlock Relay In lock relay Block *
Ambient Temperature Sensor Left front of engine compartment C196
Amplifier Behind center of I/P C263,C264
C284
Anti-Theft Transceiver Module Behind instrument panel C297
Ashtray Illumination Top side of ash tray bracket C212
Audio/Climate Control
Switch Assembly In steering column C292
Autolamp Module Behind center of I/P C216
Auxiliary A/C Blend Actuator Behind left rear side panel C435
Auxiliary A/C Control Module Behind left rear side panel C436
Auxiliary A/C Mode Actuator Behind left rear side panel C434
Auxiliary A/C Relay In Regular Production Option (RPO)
relay Block #2 *
Auxiliary A/C Blower Motor
Resistor Behind left rear side panel C437
Auxiliary Blower Motor Rear floor panel C433
Auxiliary Power Socket Behind center of I/P C223
Battery Right side of engine compartment *
Battery Saver Relay In junction box fuse/relay panel *
Blend Door Actuator Behind center of I/P C229
Blower/Flasher Relay Block Behind center of I/P *
Blower Motor Right side of engine compartment C202
Blower Motor Speed Controller Behind right side of I/P C205,C282
Blower Relay In blower/flasher relay block *
Brake Fluid Level Indicator
Switch Mounted on master cylinder C162
Brake Pedal Position Switch Behind left side of I/P C252
Brake Pressure Switch Left rear corner of engine compartment C151
Brake Warning Resistor/
Diode Assembly Near brake fluid level indicator switch *
Camshaft Position Sensor Front of engine C100
Canister Vent Solenoid Rear of body, near fuel tank C413
Compact Disk Changer Left rear of cab C334
Cigar Lighter Behind center of I/P C226,C227
Clock Center of I/P C283
Clockspring Assembly Base of steering column C233,C234
Coil on Plug #1 Near fuel injector #1 C1011
Coil on Plug #2 Near fuel injector #2 C1012
Coil on Plug #3 Near fuel injector #3 C1013
Coil on Plug #4 Near fuel injector #4 C1014
Coil on Plug #5 Near fuel injector #5 C1015
Coil on Plug #6 Near fuel injector #6 C1016
Coil on Plug #7 Near fuel injector #7 C1017
Coil on Plug #8 Near fuel injector #8 C1018
Compass Sensor In overhead console C905
Console Auxiliary Power Socket In center console C312
Console Blend Door Actuator Left center of floor console C333
Console Blower Motor Inside center of floor console C331
Console Blower Relay In RPO relay block #1 *
Console Blower Motor Resister Inside center of floor console C332
Crankshaft Position Sensor Lower front of engine C102
Cylinder Head Temperature
Sensor Top front of engine C179
Data Link Connector Behind center of I/P C228
Daytime Running Lamps
Module Left front of engine compartment C142
Differential Pressure Feedback
EGR Sensor Right side of engine C122
Differential Speed Sensor On rear axle C414
Digital Transmission Range
Sensor Left side of automatic transmission C182
Driver Airbag Base of steering column C274
Driver Power Seat Motor Assembly Under driver's seat C302,C303
C315,C316
C358,C359
Driver Power Seat Control Switch Under driver's seat C311
Driver's Unlock Relay In lock relay block *
E4OD Transmission Left side of transmission C193
Electronic Automatic Transmission
Control Clutch Relay In power distribution relay box *
EEC Power Relay In power distribution box *
EGR Vacuum Regulator
Solenoid Left side of engine C121
Electronic Automatic Temperature
Control Module Center of I/P C280,C281
Electronic Day/Night Mirror Top center of windshield C904
Electronic Variable Orifice
Actuator Left side of engine compartment C1001
Engine Compartment Lamp Attached to underside of hood C161
Engine Coolant Temperature
Sender Left front corner of engine C105
Engine Oil Pressure Switch Next to power steering pump C101
Flasher Relay In blower/flasher relay block *
Fog Lamp Relay In power distribution relay box *
Front Air Fill Solenoid Near transmission cooler C1003
Front Blend Potentiometer In center of headliner C933
Front Blower Motor Switch In center of headliner C934
Front Blower Illumination Switch In center of headliner C931
Front Dome/Map Lamp
Assembly Center of headliner C914
Front Gate Solenoid In front of A/C condenser C1005
Front Height Sensor Behind left running board C308
Front Mode Potentiometer In center of headliner C932
Front Washer Pump Relay In power distribution box *
Fuel Injector #1 Top of cylinder #1 C125
Fuel Injector #2 Top of cylinder #2 C126
Fuel Injector #3 Top of cylinder #3 C127
Fuel Injector #4 Top of cylinder #4 C128
Fuel Injector #5 Top of cylinder #5 C129
Fuel Injector #6 Top of cylinder #6 C130
Fuel Injector #7 Top of cylinder #7 C131
Fuel Injector #8 Top of cylinder #8 C132
Fuel Pump Assembly Center of vehicle, at fuel tank C415
Fuel Pump/Fuel Gage Sender Center of vehicle, at fuel tank C415
Fuel Pump Relay In power distribution box *
Fuel Tank Pressure Sensor Part of fuel pump assembly C403
Generator/Voltage Regulator Right front of engine compartment C176,C177
C178
Generic Electronic Module Behind center of I/P C239,C240
C241,C267
Glass Ajar Switch Center of liftgate C446
Glove Compartment Lamp Right side of I/P, behind glove box C211
Headlamp Relay In RPO relay block #1 *
Heated Grid Relay In junction box fuse/relay panel *
Heated Oxygen Sensor #11 On exhaust pipe of engine C109
Heated Oxygen Sensor #12 On exhaust pipe of engine C184
Heated Oxygen Sensor #21 On exhaust pipe of engine C108
Heated Oxygen Sensor #22 On exhaust pipe of engine C185
Heated Rear Window Switch Left side behind I/P C298
High Pitch Horn On left radiator support C136
High Mount Stop Lamp Rear center of headliner C910
Horn Relay In power distribution box *
Horn Switch Base of steering column C292
Idle Air Control Valve Left side of intake manifold C110
Ignition Key Warning Switch Base of steering column C234
Ignition Switch Mounted in steering column C250
Inertia Fuel Shut-off Behind right side of I/P C204
Inline Mini Fuse (20A) Near generator/voltage regulator *
Instrument Cluster Left side of I/P C236,C237
C238
Intake Air Temperature
Sensor On intake manifold C107
Intake Manifold Tuning
Valve Top front of engine C118
Interior Lamp Relay In junction box fuse/relay panel *
In-Car Temperature Sensor Behind I/P C279
Junction Box Fuse/Relay Panel Under left side of I/P C242,C243
Knock Sensor Right side of engine C103
Left Backup Lamp Left rear corner of vehicle C406
Left Dome/Map Lamp In overhead console C937,C938
Left Fog Lamp Left front of vehicle C144
Left Front Door Ajar Switch Rear of left door C501
Left Front Door Courtesy Lamp In left door interior door panel C502
Left Front Door Lock Motor Bottom rear of left door C504
Left Front Door Speaker Front of left door C500
Left Front Park/Turn Lamp Left front of vehicle C145
Left Front Power Door Lock Switch In armrest of left front door panel C508
Left Front Power Window Motor In left front door C506
Left Front Power Window Switch In armrest of left interior door panel C509,C510
Left Front Running Board Lamp Left side under front doors C335
Left Front Wheel 4Wheel Anti-Lock
Brake System Sensor At left front wheel C153
Left Headlamp Left front corner of vehicle C143
Left License Lamp Left rear of vehicle C401
Left Primary Crash Sensor Left front of engine compartment C141
Left Power/Heated/Memory Mirror Left side of vehicle, on door C507
Left Rear Air Spring Solenoid Front of left rear wheel well C420
Left Rear Door Ajar Switch Rear of left rear door C701
Left Rear Power Door Lock Motor Bottom of left rear door C704
Left Rear Door Speaker Front center in left rear door C700
Left Rear Power Window Motor In left rear door C706
Left Rear Power Window Switch In armrest of left interior door panel C709
Left Rear Running Board Lamp Left side under rear doors C337
Left Rear Tail Lamp Left rear corner of vehicle C409
Left Rear Vent Window Left rear corner panel C440
Left Rear Vent Window Switch Center of overhead console C930
Left Front Side Marker Lamp Left front fender C155
Left Side Rail Lamp In headliner above left rear door C927
Left Stop/ Park/Turn Lamp Left rear corner of vehicle C404
Left Vanity Lamp In left Visor C902
Lock Relay Block Behind right side of I/P *
Liftgate Ajar Switch Center of liftgate C449
Liftgate Door Lock Motor Inside behind panel center of liftgate C448
Low Pitch Horn On right radiator support C137
Main Light Switch Lower left side of I/P C244,C245
C246
Mass Air Flow Sensor In air cleaner assembly C156
Mega Fuse (Alternator) Right rear of engine compartment,
upper right cowl panel *
Mega Fuse (PDB) Right rear of engine compartment,
upper right cowl panel *
Memory Seat and Mirror Module Under driver's seat C307,C351
C356,C357
Memory Set Switch In armrest of left interior door panel C503
Mini-Fuse Block Near power distribution box *
Moonroof Assembly Center of headliner C918,C919
Moonroof Motor Assembly Center of headliner C920
Moonroof Switch Center of overhead console C915
Multi-Function Switch Left side of steering column C258,C259
Octane Adjust (Shorting Bar) Right rear corner of engine C173
One Touch Down Relay In junction box fuse/relay panel *
Overhead Trip Computer
Module In front of overhead console C928
Park Brake Switch Right side of parking brake lever C254
Park Lamp Relay In RPO relay block #1 *
Passenger Airbag Behind right side of I/P C215
Passenger Power Seat Control
Switch At right side of front passenger seat C300
Passenger Power Seat Motor
Assembly Under passenger seat C301
Passive Anti-Theft System
Control Module Behind center of I/P C268
PCM Power Diode In power distribution box *
PCM Power Relay In power distribution box *
Power Distribution Box Left side of engine compartment C175
Power Distribution Relay Box Left side of engine compartment *
Power Mirror Switch In armrest of left interior door panel C511
Powertrain Control Module Right side of engine compartment C174
Radio Noise Capacitor #1 Right rear of engine C115
Radio Noise Capacitor #2 Left rear of engine C114
Radio Behind center of I/P C261,C262
Rear Air Fill Solenoid Left front of left rear wheel well C310
Rear Blend Potentiometer Center of headliner C925
Rear Blower Motor Switch Center of headliner C926
Rear Blower Illumination Switch Center of headliner C924
Rear Cargo Lamp Rear center of headliner C907
Rear Dome/Map Lamp Assembly In center of headliner C942
Rear Height Sensor Rear floor panel C421
Rear Integrated Control
Panel (To Audio) Rear center of floor console C314
Rear Integrated Control
Panel (To Blower) Rear center of floor console C313
Rear Mode Potentiometer Center of headliner C923
Rear Washer Pump Relay In power distribution relay box *
Rear Window Defrost Grid (+) Right side of liftgate glass C908
Rear Window Defrost Grid (-) Left side of liftgate glass C909
Rear Wiper Motor In center of liftgate C447
Rear Wiper Up Relay In power distribution relay box *
Rear Wiper Down Relay In power distribution relay box *
Redundant Steering Control
Module Behind center of instrument panel C272
Remote Anti-Theft Personality
Module Behind left side of I/P C256,C257
Right Backup Lamp Right rear corner of vehicle C407
Right Dome/Map Lamp In overhead console C939,C940
Right Fog Lamp Right front of vehicle C134
Right Front Door Ajar Switch Rear of right front door C601
Right Front Door Courtesy Lamp In right door interior door panel C602
Right Front Power Door
Lock Switch In armrest of right interior door panel C608
Right Front Door Speaker Front of right front door C600
Right Front Park/Turn Lamp Right front of vehicle C135
Right Front Power Door
Lock Motor Bottom rear of right front door C604
Right Front Power Window Motor In right door C606
Right Front Power Window Switch In armrest of right interior door panel C609
Right Front Running Board Lamp Right side under front C336
Right Front Wheel 4WABS Sensor At right front wheel C154
Right Headlamp Right front corner of vehicle C133
Right License Lamp Rear of vehicle C402
Right Power/Heated/Memory Mirror Right side of vehicle, on door C607
Right Primary Crash Sensor Right front of engine compartment C140
Right Rear Air Spring Solenoid Front of right rear wheel well C419
Right Rear Door Ajar Switch Rear of right rear door C801
Right Rear Door Lock Motor Bottom rear of right rear door C804
Right Rear Door Speaker Front center in right rear door C800
Right Rear Power Window Motor In right rear door C806
Right Rear Power Window Switch In armrest of right interior door panel C809
Right Rear Running Board Lamp Right side under rear doors C338
Right Rear Tail Lamp Right rear corner of vehicle C416
Right Rear Vent Window Right rear corner panel C441
Right Rear Vent Window Switch Center of overhead console C929
Right Side Marker Lamp Right front fender C163
Right Side Rail Lamp In headliner above right rear door C901
Right Stop/Park/Turn Lamp Right rear corner of vehicle C4O5
Right Vanity Lamp In right visor C9O3
Regular Production Option Relay
Block #1 In dash, above passenger air bag *
Regular Production Option Relay
Block #2 Behind left rear side panel *
Running Board Lamp Relay In RPO Relay block #1 *
Seat Belt Warning Switch In driver's seat belt buckle C304
Shift Lock Actuator In steering column C249
Speed Control Servo/
Amplifier Assembly Left rear of engine compartment C157
Speed Control Switch Assembly In steering column C292
Starter Motor Lower right side of engine *
Starter Motor Relay Right rear of engine compartment C166,C167
Steering Wheel Rotation Sensor Behind steering wheel in I/P C299
Subwoofer Amplifiers Behind right side panel rear of vehicle C442,C443
Sunload Sensor Top right side of I/P C200
Throttle Position Sensor Attached to throttle body C123
Torque on Demand Relay Behind center of I/P C293
Trailer Electronic Brake Control Behind left side of I/P *
Trailer Tow Backup Lamp Relay In power distribution relay box *
Trailer Tow Battery Charge Relay In power distribution relay box *
Trailer Tow Connector In rear of vehicle C410
Trailer Tow Left Turn Relay In power distribution relay box *
Trailer Tow Right Turn Relay In power distribution relay box *
Trailer Tow Running Lamp Relay In power distribution relay box *
Transfer Case Assembly
(Electronic) Mounted on rear of transmission C201
Transfer Case Shift Relays Behind center of I/P C221
Transmission Control Switch End of transmission selector level C251
Universal Garage Door Opener In left visor *
Vapor Management Valve Left rear corner of engine compartment C164
Vehicle Speed Sensor Left rear of transmission C186
Vent Window/Moonroof Relay In RPO Relay Block #2 *
Washer Fluid Level Switch In washer fluid reservoir C198
Washer Pump Assembly In washer reservoir C138
Windshield Wiper Motor Behind center of cowl panel C165
Wiper High/Low Relay In power distribution box *
Wiper Run/Park Relay In power distribution box *