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 |
ECM/FPM IGN | Engine Control Module/Fuel Pump Control Module Ignition |
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 |
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 LO BEAM | Right Low-Beam Headlamp |
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 INT LAMPS | Inadvertent Power/Interior Light Pipe Lamps |
INFOTMNT/MSM | Infotainment/Memory Seat Module |
LT TRN SIG | Driver Side Turn Signal |
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 | 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 |
FRT/WSW | Front Windshield Washer Relay |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.