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Wiring
HarnessesUsage
BODY W/H Wiring Harness Connection
BODY W/H Wiring Harness Connection
ENG W/H Engine Wiring Harness Connection
J Cases Usage
R REARRRPDB (Passenger’s Side Rear
Power Distribution Box)
R REARRRPDB (Passenger’s Side Rear
Power Distribution Box)
L REARLRPDB (Driver’s Side Rear Power
Distribution Box)
L REARLRPDB (Driver’s Side Rear Power
Distribution Box)
HI FAN High Cooling Fan Motor
LO FAN Low Cooling Fan Motor
BLOWER PWM Fan Motor Assembly
STARTER Starter Solenoid
ABS Anti-Lock Brake System
Fuses Usage
RT PARKPassenger’s Side Taillamp
Assembly, Front Sidemarker and
Front Parking Lamp Assembly
HORN Dual Horn Assembly
Fuses Usage
LT HI BEAM Driver’s Side High-Beam Headlamp
LT LOW BEAM Driver’s Side Low-Beam Headlamp
RT LOW BEAMPassenger’s Side Low-Beam
Headlamp
RT HI BEAMPassenger’s Side High-Beam
Headlamp
TOSManual Transmission Output Speed
Sensor
SPARE Not Used
THEFTECM (Engine Control Module),
TCM (Transmission Control Module),
PASS-Key
®III+ Module
LT PARKDriver’s Side Taillamp Assembly,
Front Sidemarker and Front Parking
Lamp Assembly
DIMMINGRear License Plate Assembly, Dash
Integrated Module (DIM)
DIM/ALDLDIM, ALDL (Assembly Line
Data Link)
FLASHER Turn Signal/Hazard Flasher Module
ECM Electronic Control Module
STRG CTLSTurn Signal Switch, Cruise Control
Switch
HTR VLV/
CLTCHClutch Switch (Normal Closed),
Clutch Switch (Normal Open),
Jumper to Start Relay Coil for
Automatic Transmission
449
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Fuses Usage
WASH NOZDriver’s and Passenger’s Side
Heated Washer Nozzles
PRE O2/CAMDriver’s & Passenger’s Side Oxygen
Sensors, CAM Phaser, Canister
Purge
TCM/IPCTransmission Control Module,
Engine Control Module, Instrument
Panel Cluster
SPARE Not Used
IGN MOD/MAF Mass Air ow Sensor
ELEC PRNDL Electronic PRNDL (Export)
SPARE Not Used
SPARE Not Used
IGN SWIgnition Switch (Power to IGN-3 and
CRANK)
VOLT CHECK DIM (Dash Integration Module)
ECM/TCMTCM (Transmission Control Module),
ECM (Engine Control Module), IPC
(Instrument Panel Cluster),
PASS-Key
®III+ Module
WPR MOD Windshield Wiper Module Assembly
ODD INJ/COILOdd Ignition Coils, Fuel Injectors,
Odd Injection Coils
COMP CLUTCH Compressor Clutch
Fuses Usage
WPR SW Windshield Wiper/Washer Switch
FOG LAMP Fog Lamps
OUTLETCenter Console Accessory Power
Outlet
POST 02Driver’s and Passenger’s Side
Oxygen Sensors, LRPDB (Pusher
Cooling Fan Relay)
I/P OUTLETInstrument Panel Accessory Power
Outlet
CCP Climate Control
EVEN INJ/COIL Even Injection Coils
SPARE Not Used
SPARE Not Used
SPARE Not Used
SPARE Not Used
Circuit
BreakersUsage
HDLP WASH
C/B-OPTHeadlamp Washer Motor
Misc. Usage
FUSE PULLER Fuse Puller
450
Page 453 of 518

3. With the seat cushion lowered, push rearward
and then press down on the seat cushion until
the seat cushion snaps into place.
4. Push and pull on the seat cushion to make
sure it is locked into place.
5. Check to make sure the safety belts are
properly routed and that no portion of any
safety belt is trapped under the seat cushion.
Rear Underseat Fuse Block
(Driver’s Side)
The driver’s side rear fuse block is located under
the rear seat on the driver’s side of the vehicle.
The rear seat cushion must be removed to access
the rear fuse block. See “Removing the Rear
Seat Cushion” listed previously.To access the fuse block, push in the two tabs
located at each end of the fuse block cover.
Then lift the cover off.
Fuses Usage
SPARE Not Used
SPARE Not Used
AUDIO Radio, OnStar Module
SPARE Not Used
REAR DR MOD Rear Door Modules
SPARE Not Used
DRIVER
DR MODDriver’s Door Module
BASTaillamps, Center High-Mounted
Stoplamp, Flasher Module, ABS
Module, Trailer Lamps
HDLP
LEVELINGHeadlamp Leveling System Chassis
Sensors (Export Only)
453
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Fuses Usage
SPARE Not Used
CCP CCP (Climate Control Panel)
IGN 3Heated Seat Modules, Air Inlet
Motor, Shifter Assembly
SPARE Not Used
SPARE Not Used
FUSE PULLER Fuse Puller
L FRT HTD
SEAT MODDriver’s Heated Seat Module
MEM/ADAPT
SEATDriver’s Power Seat Switch, Memory
Seat Module
TRUNK
DR RELEASETrunk Release Motor
REVERSE
LAMPISRVM (Inside Rearview Mirror),
License Plate Lamp Assembly
SPARE Not Used
POSITION
LAMPTaillamp Assemblies, Front Position
Lamp Assemblies (Export Only)
J Cases Usage
AMP Audio Ampli er
PUSHER FAN Pusher Fan (Export Only)
Relays Usage
BAS RELAY
MINIBrake Apply Sensor
PUSHER FAN Pusher Fan (Export Only)
L POSITION
RELAY MICRODriver’s Side Position Lamp
(Export Only)
TRK DR REL
SOL RELAY
MICROTrunk Release Motor
REV LAMP
RELAY MICROISRVM (Inside Rearview Mirror),
License Plate Lamp Assembly
R POSITION
RELAY MICROPassenger’s Side Position Lamp
(Export Only)
IGN 3 RELAY
MICROHeated Seat Modules, Air Inlet
Motor, Shifter Assembly
STANDING
LAMP
RLY MICROControl for Position Lamp Relays
(Export Only)
Circuit
BreakersUsage
SEAT C/BPower Seat Switches, Memory Seat
Module
Misc. Usage
JOINT
CONNECTORJoint Connector
454
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Rear Underseat Fuse Block
(Passenger’s Side)
The passenger’s side rear fuse block is located
under the rear seat on the passenger’s side of the
vehicle. The rear seat cushion must be removed
to access the rear fuse block. See “Removing
the Rear Seat Cushion” listed previously.
To access the fuse block, push in the two tabs
located at each end of the fuse block cover. Then
lift the cover off.
Fuses Usage
TRUNK DIODE Trunk Lamp
POWER
SOUNDERPower Sounder, Inclination Sensor
(Export Only)
SPARE Not Used
CANISTER
VENTCanister Vent Solenoid
FUEL
PUMP MTRFuel Pump Motor
SPARE Not Used
R FRT HTD
SEAT MODPassenger’s Side Heated Seat
Module
SPARE Not Used
AIR BAG SDM (Sensing Diagnostic Module)
RIMISRVM (Inside Rearview Mirror),
Power Sounder, RIM
ABS Anti-Lock Brake System
SPARE Not Used
SPARE Not Used
SPARE Not Used
FUSE PULLER Fuse Puller
INTERIOR
LAMPHush Panel Lamps, Puddle Lamps,
Overhead Courtesy Lamp Assembly
455
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Fuses Usage
PSGR DR MOD Right Front Passenger Door Module
RIM/IGN SWRIM (Rear Integration Module),
Ignition Switch, Key Lock Cylinder
REAR FOG
LAMPRear Fog Lamps (Export Only)
SPARE Not Used
TV/VICSTV Tuner Assembly (Export Only),
VICS (Vehicle Information
Communication System) Module
J Cases Usage
REAR DEFOG Rear Window Defogger Element
SUNROOF
MODPower Sunroof Module
Relays Usage
SPARE Not Used
REAR DEFOG
RELAY MINIRear Window Defogger
SPARE Not Used
Relays Usage
REAR FOG
LAMP
RLY MICRORear Fog Lamps (Export Only)
FUEL PUMP
MOTOR
RLY MICROFuel Pump Motor
INT LAMP
RELAY MICROHush Panel Lamps, Puddle Lamps,
Overhead Courtesy Lamp Assembly
IGN 1 RELAY
MICROIgnition Switch
SPARE Not Used
Circuit
BreakersUsage
DR MOD
PWR C/BDoor Modules
Misc. Usage
JOINT
CONNECTORJoint Connector
456
Page 507 of 518

Driver Information Center (DIC) (cont.)
DIC Warnings and Messages................... 232
Status of Vehicle Systems........................ 223
System Controls....................................... 223
Driving
At Night................................................... 305
City.......................................................... 310
Defensive................................................. 286
Drunken................................................... 287
Freeway................................................... 311
Hill and Mountain Roads.......................... 314
In Rain and on Wet Roads...................... 306
Rocking Your Vehicle to Get it Out.......... 321
Winter...................................................... 316
Dual Climate Control System....................... 189
E
Electrical System
Add-On Equipment................................... 446
Fuses and Circuit Breakers...................... 447
Power Windows and Other
Power Options...................................... 446
Rear Underseat Fuse Block..................... 451Electrical System (cont.)
Underhood Fuse Block............................. 447
Windshield Wiper Fuses........................... 446
Engine
Air Cleaner/Filter...................................... 351
Check and Service Engine Soon Light..... 209
Check Oil Pressure Message................... 220
Coolant.................................................... 356
Coolant Heater......................................... 120
Coolant Temperature Gage...................... 208
Coolant Temperature Warning Light.......... 207
Drive Belt Routing.................................... 476
Engine Compartment Overview................ 342
Exhaust................................................... 134
Oil ........................................................... 346
Oil Life System........................................ 349
Oil Temperature Warning Message ........... 220
Overheated Protection
Operating Mode.................................... 362
Overheating............................................. 360
Speed Limiter.......................................... 201
Starting.................................................... 119
Entry Lighting.............................................. 184
Event Data Recorders (EDR)...................... 494
Extender, Safety Belt..................................... 41
Exterior Lighting Battery Saver.................... 183
507
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F
Filter
Engine Air Cleaner................................... 351
Finish Damage............................................ 442
Flashers, Hazard Warning........................... 168
Flash-to-Pass.............................................. 172
Flat Tire...................................................... 422
Flat Tire, Changing...................................... 424
Flat Tire, Storing......................................... 433
Fluid
Automatic Transmission............................ 353
Manual Transmission................................ 354
Power Steering........................................ 368
Windshield Washer.................................. 369
Fog Lamp
Fog .......................................................... 183
Fog Lamp Light........................................... 213
Folding Rear Seat......................................... 18
Fuel............................................................ 334
Additives.................................................. 336
California Fuel.......................................... 335
Filling a Portable Fuel Container.............. 339
Filling Your Tank...................................... 337Fuel (cont.)
Fuels in Foreign Countries....................... 336
Gage....................................................... 214
Gasoline Octane...................................... 334
Gasoline Speci cations............................ 335
Fuses
Fuses and Circuit Breakers...................... 447
Rear Underseat Fuse Block..................... 451
Underhood Fuse Block............................. 447
Windshield Wiper..................................... 446
G
Gage
Engine Coolant Temperature.................... 208
Fuel......................................................... 214
Speedometer........................................... 200
Tachometer.............................................. 200
Garage Door Opener................................... 147
Gasoline
Octane..................................................... 334
Speci cations........................................... 335
Glove Box................................................... 159
GM Mobility Reimbursement Program.......... 488
508