The underhood fuse block in the engine compartment is located on the driver's side of the vehicle near the battery. Lift the cover for access to the fuse/relay block.
To remove fuses if you don't have a fuse extractor, hold the end of the fuse between your thumb and index finger and pull straight out.
See Engine Compartment Overview for more information on its location.
*1 -- Gasoline Engine and Fuel Injection Rail #2.
*2 -- Gasoline Engine and Fuel Injection Rail #1.
*3 -- Gasoline Engine; Oxygen Sensors.
*4 -- Gasoline Engine; Oxygen Sensors.
*5 -- Ignition 1
*6 -- Powertrain Control Module, Fuel Pump.
*7 -- Sunroof.
*8 -- Not Used.
Fuses | Usage |
|---|---|
GLOW PLUG | Not Used |
CUST FEED | Gasoline Accessory Power |
HYBRID | Not Used |
WSW/HTR | Heated Windshield Washer (Special Edition Only) |
STUD [num ]1 | Accessory Power/Trailer Wiring |
MBEC 1 | Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors |
BLWR | Front Climate Control Fan |
LBEC 2 | Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet--Rear Cargo Area and Instrument Panel |
STUD [num ]2* | Accessory Power/Trailer Wiring Brake Feed |
ABS | Anti-lock Brakes |
VSES/ECAS | Electronically Controlled Air Suspension |
IGN A | Ignition Switch |
IGN B | Ignition Switch |
LBEC 1 | Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module |
TRL PARK | Parking Lamps Trailer Wiring |
RR PARK | Passenger's Side Rear Parking and Sidemarker Lamps |
LR PARK | Driver's Side Rear Parking and Sidemarker Lamps |
PARK LP | Parking Lamps Relay |
STRTR | Starter Relay |
INTPARK | Roof Marker Lamps |
STOP LP | Stoplamps |
TBC BATT | Truck Body Controller Battery Feed |
SEO B2 | Off-Road Lamps |
4WS | Not Used |
AUX PWR | Instrument Panel Outlets, Rear Cargo Area Power Outlets, Console |
PCM 1 | Powertrain Control Module |
ETC/ECM | Electronic Throttle Control, Electronic Brake Controller |
IGN E | Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay, Electronic Brake Controller TC2 Mode Switch |
RTD | Electronic Brake Controller Battery Feed |
TRL B/U | Backup Lamps Trailer Wiring |
F/PMP | Fuel Pump (Relay) |
B/U LP | Back-up Lamps, Automatic Transmission Shift Lock Control System |
RR DEFOG | Rear Window Defogger |
HDLP-HI | Headlamp High Beam Relay |
PRIME | Not Used |
AIRBAG | Supplemental Inflatable Restraint System |
FRT PARK | Front Parking Lamps, Sidemarker Lamps |
DRL | Daytime Running Lamps (Relay) |
SEO IGN | Rear Defog Relay |
TBC IGN1 | Truck Body Controller Ignition |
HI HDLP-LT | Driver's Side High Beam Headlamp |
LH HID | Not Used |
DRL | Daytime Running Lamps |
RVC | Regulated Voltage Control |
IPC/DIC | Instrument Panel Cluster/Driver Information Center |
HVAC/ECAS | Climate Control Controller/Electronically Controlled Air Suspension |
CIG LTR | Cigarette Lighter |
HI HDLP-RT | Passenger's Side High Beam Headlamp |
HDLP-LOW | Headlamp Low Beam Relay |
A/C COMP | Air Conditioning Compressor Relay |
A/C COMP | Air Conditioning Compressor |
TCMB | Transmission Control Module |
RR WPR | Rear Wiper/Washer |
RADIO | Audio System |
SEO B1 | Mid Bussed Electrical Center, Universal Home Remote System, Rear Heated Seats |
LO HDLP-LT | Driver's Side Headlamp Low Beam |
BTSI | Brake Transmission Shift Interlock System |
CRNK | Starting System |
LO HDLP-RT | Passenger's Side Headlamp Low Beam |
FOG LP | Not Used |
FOG LP | Not Used |
HORN | Horn Relay |
W/S WASH | Windshield and Rear Window Washer Pump Relay |
W/S WASH | Windshield and Rear Window Washer Pump |
INFO | OnStar® |
RADIO AMP | Radio Amplifier |
RH HID | Not Used |
HORN | Horn |
EAP | Not Used |
TREC | Four-Wheel Drive Module |
SBA | Not Used |
