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 | A/C clutch |
| ABS MTR | ABS motor |
| AIRBAG | Airbag System |
| AUX POWER | Auxiliary Power |
| AUX VAC PUMP | Auxiliary Vacuum Pump |
| AWD | AWD system |
| BATT 1 | Battery 1 |
| BATT 2 | Battery 2 |
| BATT 3 | Battery 3 |
| CIGAR LIGHTER | Cigarette Lighter |
| ECM 1 | Engine Control Module 1 |
| ECM/FPM IGN | Engine Control Module/Fuel Pump Control Module Ignition |
| EMISSION 1 | Emission 1 |
| EMISSION 2 | Emission 2 |
| EVEN COILS | Injector coils – even |
| FAN 1 | Cooling Fan 1 |
| FAN 2 | Cooling Fan 2 |
| FPM | Fuel pump power module |
| HORN | Horn |
| HTD MIR | Heated exterior rearview mirror |
| HTD STR WHL | Heated Steering Wheel |
| HUMIDITY/MAF | Humidity sensor/MAF senso |
| HVAC BLWR | HVAC blower |
| LT HI BEAM | Left high-beam headlamp |
| LT LO BEAM | Left low-beam headlamp |
| LT PRK | Left parking lamp |
| LT TRLR STOP/TRN | Left trailer stoplamp/Turn signal lamp |
| ODD COILS | Injector Coils – odd |
| 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 | Right trailer stoplamp/Turn signal lamp |
| RVC SNSR | Regulated voltage control sensor |
| S/ROOF/SUNSHADE | Sunroof |
| SERVICE | Service Repair |
| SPARE | — |
| STOP LAMPS | Stoplamps |
| STRTR | Starter |
| TCM | Transmission control module |
| TRANS | Transmission |
| TRLR BCK/UP | Trailer reverse lamps |
| TRLR BRK | Trailer brake lamps |
| TRLR PRK LAMP | Trailer parking lamps |
| TRLR PWR | Trailer power |
| WPR/WSW | Windshield wiper/Washer |
| Relays | Usage |
| A/C CMPRSR CLTCH | A/C 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 | Low-beam HID headlamps |
| HORN | Horn |
| IGN | Ignition – main |
| LT TRLR STOP/TRN | Left trailer stoplamp/Turn signal lamp |
| PRK LAMP | Parking lamps |
| PWR/TRN | Powertrain |
| RR DEFOG | Rear window defogger |
| RT LO BEAM | Right low-beam headlamp |
| RT TRLR STOP/TRN | Right trailer stoplamp/Turn signal lamp |
| STOP LAMP | Stop Lamps |
| TRLR BCK/UP | Trailer reverse 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 | HVAC |
| INADV PWR INT LAMPS | Inadvertent power/Interior light pipe lamps |
| INFOTMNT/MSM | Infotainment/Memory Seat Module |
| LT TRN SIG | Left turn signal lamp |
| OBS DET/URS | Rear park assist/Side blind zone alert/Forward collision alert/ Universal remote system |
| PDM | Power mirrors/Liftgate release |
| PWR MODE | Power Mode |
| PWR MIR | Power Mirrors |
| RDO | Radio |
| REAR WPR | Rear Wiper |
| RT TRN SIG | Passenger Side Turn Signal |
| STR WHL ILLUM | Steering Wheel Illumination |
| USB CHRG | USB Charging |
| Relays | Description |
| LT/PWR/SEAT | Left power seat relay |
| RT/PWR/SEAT | Right 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 | Left unlock relay |
| DRL/LO BEAM | Daytime running lamps relay (if equipped) |
| FOG LAMPS | Fog Lamps Relay |
| FRT/WSW | Front Windshield Washer Relay |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.