Engine Compartment Fuse Block
The underhood fuse block is located in the engine compartment, on the passenger side of the vehicle.
| Fuses | Description |
| A/C CLUTCH | Air Conditioning Clutch |
| ABS MTR | Antilock Braking System (ABS) Motor |
| AIRBAG | Airbag System |
| AUX POWER | Auxiliary Power |
| AUX VAC PUMP | Auxiliary Vacuum Pump |
| AWD | All-Wheel-Drive System |
| BATT 1 | Battery 1 |
| BATT 2 | Battery 2 |
| BATT 3 | Battery 3 |
| CIGAR LIGHTER | Cigarette Lighter |
| ECM 1 | Engine Control Module 1 |
| EMISSION 1 | Emission 1 |
| EMISSION 2 | Emission 2 |
| EVEN COILS | Even Injector Coils |
| FAN 1 | Cooling Fan 1 |
| FAN 2 | Cooling Fan 2 |
| FSCM | Fuel System Control Module |
| HORN | Horn |
| HTD MIR | Heated Outside Rearview Mirror |
| HTD STR WHL | Heated Steering Wheel |
| HUMIDITY/MAF | Humidity Sensor/MAF Sensor |
| HVAC BLWR | Heating, Ventilation and Air Conditioning Blower |
| LT HI BEAM | Left High-Beam Headlamp |
| LT LO BEAM | Left Low-Beam Headlamp |
| LT PRK | Left Parking Lamp |
| LT TRLR STOP/TRN | Trailer Left Stoplamp and Turn Signal |
| ODD COILS | Odd Injector Coils |
| PCM IGN | Powertrain Control Module Ignition |
| PWR L/GATE | Power Liftgate |
| PWR OUTLET | Power Outlet |
| RR APO | Rear Accessory Power Outlet |
| RR DEFOG | Rear Defogger |
| RR HVAC | Rear Climate Control System |
| RT HI BEAM | Right High-Beam Headlamp |
| RT LO BEAM | Right Low-Beam Headlamp |
| RT PRK | Right Parking Lamp |
| RT TRLR STOP/TRN | Trailer Right Stoplamp and Turn Signal |
| RVC SNSR | Regulated Voltage Control Sensor |
| S/ROOF/SUNSHADE | Sunroof |
| SERVICE | Service Repair |
| SPARE | Spare |
| STOP LAMPS | Stoplamps |
| STRTR | Starter |
| TCM | Transmission Control Module |
| TRANS | Transmission |
| TRLR BCK/UP | Trailer Back-up Lamps |
| TRLR BRK | Trailer Brake |
| TRLR PRK LAMP | Trailer Parking Lamps |
| TRLR PWR | Trailer Power |
| WPR/WSW | Windshield Wiper/Washer |
| Relays | Usage |
| A/C CMPRSR CLTCH | Air Conditioning Compressor Clutch |
| AUX VAC PUMP | Auxiliary Vacuum Pump |
| CRNK | Switched Power |
| FAN 1 | Cooling Fan 1 |
| FAN 2 | Cooling Fan 2 |
| FAN 3 | Cooling Fan 3 |
| HI BEAM | High-Beam Headlamps |
| HID/LO BEAM | High Intensity Discharge (HID) Low-Beam Headlamps |
| HORN | Horn |
| IGN | Ignition Main |
| LT TRLR STOP/TRN | Trailer Left Stoplamp and Turn Signal Lamp |
| PRK LAMP | Parking Lamp |
| PWR/TRN | Powertrain |
| RR DEFOG | Rear Window Defogger |
| RT TRLR STOP/TRN | Trailer Right Stoplamp and Turn Signal Lamp |
| STOP LAMP | Stop Lamps |
| TRLR BCK/UP | Trailer Back-up Lamps |
| WPR | Windshield Wiper |
| WPR HI | Windshield Wiper High Speed |
Instrument Panel Fuse Block
The instrument panel fuse block is located under the instrument panel on the passenger side of the vehicle.
| Fuses | Description |
| # | GMC NON HID = Lo Beam |
| * | GMC NON HID = High Shutter |
| ** | Chevy = Fog Lamps |
| *** | Buick China = Rear Fog Lamp |
| AIRBAG | Airbag |
| AMP | Amplifier |
| BCK UP/STOP | Back-up Lamp/Stoplamp |
| BCM | Body Control Module |
| CNSTR/VENT | Canister Vent |
| CTSY | Courtesy Lamps |
| DR LCK | Door Locks |
| DRL/LO BEAM | Daytime Running Lamps Relay/Low Beam Headlamps Relay |
| DSPLY | Display |
| FRT WSW | Front Windshield Washer |
| HTD/COOL SEAT | Heated/Cooling Seats |
| HVAC | Heating, Ventilation and Air Conditioning |
| INADV/PWR/LED | Inadvertent Power/Interior Light Pipe Lamps |
| INFOTMNT/MSM | Infotainment/Memory Seat Module |
| LT TRN SIG | Driver Side Turn Signal |
| PDM | Power Mirrors, Liftgate Release |
| PWR MODE | Power Mode |
| PWR MIR | Power Mirrors |
| RDO | Radio |
| REAR WPR | Rear Wiper |
| RPA/SBZA/UGDO | Rear Park Assist/Side Blind Zone Alert/Universal Garage Door Opener |
| RT TRN SIG | Passenger Side Turn Signal |
| STR/WHL/ILLUM | Steering Wheel Illumination |
| Relays | Description |
| LT/PWR/SEAT | Driver Side Power Seat Relay |
| RT/PWR/SEAT | Passenger Side Power Seat Relay |
| PWR/WNDW | Power Windows Relay |
| PWR/COLUMN | Power Steering Column Relay |
| L/GATE | Liftgate Relay |
| LCK | Power Lock Relay |
| REAR/WSW | Rear Window Washer Relay |
| UNLCK | Power Unlock Relay |
| DRL/LO BEAM | Daytime Running Lamps Relay/Low Beam Headlamps Relay |
| LT/UNLCK | Driver Side Unlock Relay |
| DRL/LO BEAM | Daytime Running Lamps Relay (If Equipped) |
| FOG LAMPS | Fog Lamps Relay (Chevy) |
| FRT/WSW | Front Windshield Washer Relay |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.