Instrument Panel Fuse Block
Fuse box is locate on the end of the instrument panel on the passenger side.
| Fuse | Usage |
| RAP | Retained Accessory Power |
| SUN ROOF | Sunroof |
| CRUISE SW | Cruise Switch |
| PK LP | Parking Lamps |
| RR DEFOG | Rear Window Defogger |
| DR LK/TRUNK | Door Lock/Trunk |
| ONSTAR/ALDL | Onstar®/Diagnostic Link |
| CANISTER | Fuel Tank Solenoid Canister |
| PK LAMPS | Parking Lamps |
| RADIO/AMP | Radio Amplifier |
| RFA/MOD | Remote Function Activator (Remote Keyless Entry) |
| DISPLAYS | Instrument Panel Displays/Head-Up Display (HUD), Driver Information Center (DIC) |
| INT LIGHT | Interior Lamps |
| HVAC | Climate Controls |
| CHMSL/BKUP | Center High Mounted Stop Lamp/Back-Up Lamps |
| PWR WDO | Power Windows |
| SPRING COIL 2 | Steering Wheel Control Switches |
| PWR SEAT | Power Seat |
| TURN/HAZ | Turn Signals/Hazard Warning Lamps |
| PWR MIRS | Power Mirrors |
| HTD SEAT | Heated Seat |
Underhood Fuse Block
The underhood fuse block is located on the passenger’s side of the vehicle in the engine compartment.
3.8L V6 Engine
| Fuses | Usage |
| 1 | Driver Side High-Beam Headlamp |
| 2 | Passenger Side High-Beam Headlamp |
| 3 | Driver Side Low-Beam Headlamp |
| 4 | Passenger Side Low-Beam Headlamp |
| 5 | Windshield Wipers/Washer |
| 6 | Washer/Regulated Voltage Control |
| 7 | Fog Lamps (Option) |
| 8 | Airbag |
| 10 | Accessory Power |
| 11 | Horn |
| 12 | Emission |
| 13 | Air Conditioning Clutch |
| 14 | Oxygen Sensor |
| 15 | Powertrain Control Module |
| 16 | Powertrain Control Module/Electronic Throttle Control |
| 17 | Electronic Throttle Control |
| 18 | Display |
| 19 | Antilock Brake Solenoid |
| 20 | Fuel Injection |
| 21 | Transmission Solenoid |
| 22 | Fuel Pump |
| 23 | Antilock Brakes |
| 24 | Electronic Ignition |
| 26 | Battery Main 1 |
| 27 | Battery Main 2 |
| 28 | Battery Main 3 |
| 29 | Fan 1 |
| 30 | Battery Main 4 |
| 31 | Antilock Brake Motor |
| 32 | Fan 2 |
| 33 | Starter |
| 56 | Air Pump |
| Relays | Usage |
| 34 | High-Beam Headlamps |
| 35 | Low-Beam Headlamps, Headlamp Driver Module |
| 36 | Fog Lamps (Option) |
| 37 | Ignition 1 |
| 38 | Air Conditioner Compressor |
| 39 | Horn |
| 40 | Powertrain |
| 41 | Fuel Pump |
| 42 | Fan 1 |
| 43 | Fan 3 |
| 44 | Windshield Wiper/High |
| 45 | Windshield Wiper |
| 46 | Fan 2 |
| 48 | Crank |
| 52 | Blank |
| 53 | Blank |
| 54 | Blank |
| 55 | Fuse Puller |
 |
Air Conditioning Clutch |
5.3L V8 Engine
| Fuses | Usage |
| HVAC | Climate Control System |
| FUEL/PUMP | Fuel Pump |
| AIRBAG/ DISPLAY | Airbag, Display |
| COMPASS | Compass |
| ABS | Antilock Brake System |
| ETC/ECM | Electronic Throttle Control, Engine Control Module |
| A/C CMPRSR | Air Conditioning Compressor |
| INJ 1 | Injectors 1 |
| ECM/TCM | Engine Control Module, Transmission Control Module |
| TRANS | Transmission |
| EMISSIONS 1 | Emissions 1 |
| ABS SOL | Antilock Brake Solenoid |
| ECM IGN | Engine Control Module, Ignition |
| INJ 2 | Injectors 2 |
| EMISSIONS 2 | Emissions 2 |
| WPR | Windshield Wipers |
| AUX PWR | Auxiliary Power |
| WSW/RVC | Windshield Washer, Regulated Voltage Control |
| LT LO BEAM | Driver Side Low-Beam Headlamp |
| RT LO BEAM | Passenger Side Low-Beam Headlamp |
| FOG LAMPS | Fog Lamps |
| LT HI BEAM | Driver Side High-Beam Headlamp |
| HORN | Horn |
| RT HI BEAM | Passenger Side High-Beam Headlamp |
| SPARE | Spare |
| SPARE | Spare |
| SPARE | Spare |
| SPARE | Spare |
| SPARE |
| Relay | Usage |
| BATT 4 | Battery 4 |
| FUEL/PUMP | Fuel Pump |
| BATT 1 | Battery 1 |
| A/C CMPRSR | Air Conditioning Compressor |
| STRTR | Starter |
| PWR/TRN | Powertrain |
| STRTR | Starter |
| ABS MTR | Anti-lock Brake System Motor |
| BATT 3 | Battery 3 |
| BATT 2 | Battery 2 |
| FAN 2 | Cooling Fan 2 |
| FAN 3 | Cooling Fan 3 |
| FAN 1 | Cooling Fan 1 |
| FAN 1 | Cooling Fan 1 |
| HDM | Headlamp Driver Module |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.