The 2003 GMC Sierra 2500 has 3 different fuse boxes:
Type | Description | |
---|---|---|
Fuse MINI 15A | RR Wiper Not Used | |
Fuse MINI 10A | SEO ACCY Specia Equipment Option Accessory | |
Fuse MINI 25A | WS WPR Windshield Wipers | |
Fuse MINI 10A | TBC ACCY Truck Body Controller Accessory | |
Fuse MINI 10A | IGN 3 Ignition, Heated Seats | |
Fuse MINI 15A | 4WD Four-Wheel Drive System, Auxiliary Battery | |
Fuse MINI 30A | HTR A/C Climate Control System | |
Relay | LOCK Power Door Lock Relay (Lock Function) | |
Fuse MINI 10A | HVAC 1 Climate Control System | |
Relay | L DOOR Driver's Door Harness Connection | |
Fuse MINI 10A | CRUISE Cruise Control. Power Take Off (PTO) | |
Relay | UNLOCK Power Door Lock Relay (Unlock Function) | |
Fuse MINI 10A | BRAKE Anti-Lock Brake System | |
Relay | DRIVER UNLOCK Power Door Lock Relay (Driver's Door Unlock Function) | |
Fuse MINI 10A | IGN 0 TCM | |
Fuse MINI 10A | TBC IGN 0 Truck Body Controller | |
Fuse MINI 10A | VEH CHMSL Vehicle and Trailer High Mounted Stoplamp | |
Fuse MINI 10A | LT TRLR ST/TRN Left Turn Signal/Stop Trailer | |
Fuse MINI 10A | LT TRN Left Turn Signals and Sidemarkers | |
Fuse MINI 15A | VEH STOP Vehicle Stoplamps, Brake Module. Electronic Throttle Control Module | |
Fuse MINI 10A | RT TRLR ST/TRN Right Turn Signal/Stop Trailer | |
Fuse MINI 10A | RT TRN Right Turn Signals and Sidemarkers | |
Relay | BODY Harness Connector | |
Fuse MINI 15A | DDM Driver Door Module | |
Fuse MINI 20A | AUX PWR 2 Not Used | |
Fuse MINI 20A | LOCKS Power Door Lock System | |
Fuse MINI 10A | ECC Not Used | |
Fuse MINI 15A | TBC 2C Truck Body Controller | |
Fuse MINI 25A | FLASH Flasher Module | |
Circuit breaker ATO | CB LT DOORS Left Power Windows Circuit Breaker | |
Fuse MINI 15A | TBC 2B Truck Body Controller | |
Fuse MINI 15A | TBC 2A Truck Body Controller | |
Circuit breaker ATO | CB SEAT CB SEAT |
Type | Description | |
---|---|---|
Relay | SEO Special Equipment Option | |
Relay | TRAILER Trailer Brake Wiring | |
Relay | UPFIT Upfitter (Not Used) | |
Relay | SL RIDE Ride Control Harness Connection | |
Relay | HDLR 2 Headliner Wiring Connector | |
Relay | BODY Body Wiring Connector | |
Relay | DEFOG Rear Defogger Relay | |
Relay | HDLNR 1 Headliner Wiring Connector 1 | |
Circuit breaker | CB SEAT Driver and Passenger Seat Module Circuit Breaker | |
Circuit breaker | CB RT DOOR Right Power Windows Circuit Breaker | |
Relay | INFO Infotainment Harness Connection |
Type | Description | |
---|---|---|
Fuse FMX/JCase | GLOW PLUG Diesel Glow Plugs and Intake Air Heater | |
Fuse FMX/JCase | CUST FEED Gasoline Accessory Power | |
Fuse FMX/JCase | STUD #1 Auxiliary Power [Single Battery and Diesels Only] / DuaL Battery [TP2] Do not install fuse. | |
Fuse FMX/JCase 50A | MBEC Mid Bussed Electrical Center Power Feed. Front Seats, Right Doors | |
Fuse FMX/JCase 40A | BLOWER Front Climate Control Fan | |
Fuse FMX/JCase 50A | LBEC Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet-Rear Cargo Area and Instrument Panel | |
Fuse FMX/JCase 30A | STUD 2 Accessory Power/Trailer Wiring Brake Feed | |
Fuse FMX/JCase 60A | ABS Anti-Lock Brakes | |
Fuse FMX/JCase 60A | VSES/ECAS Vehicle Stability | |
Fuse FMX/JCase 40A | IGN A Ignition Power | |
Fuse FMX/JCase 40A | IGN B Ignition Power | |
Fuse FMX/JCase 50A | LBEC 1 Left Bussed Electrical Center. Left Doors. Truck Body Controller. Flasher Module | |
Fuse MINI 15A | TRL PARK Parking Lamps Trailer Wiring | |
Fuse MINI 10A | RR PARK Right Rear Parking and Sidemarker Lamps | |
Fuse MINI 10A | LR PARK Left Rear Parking and Sidemarker Lamps | |
Relay | PARK LP Parking Lamps Relay | |
Relay | STARTER Starter Relay | |
Fuse MINI 10A | INTPARK Interior Lamps | |
Fuse MINI 25A | STOP LP Stoplamps | |
Fuse MINI 10A | TBC BATT Truck Body Controller Battery Feed | |
Fuse MINI 25A | SUNROOF Sunroof | |
Fuse MINI 30A | SEO B2 Off-Road Lamps | |
Fuse MINI 15A | 4WS Venit Solenoid Canister/QUADRASTEER Module Power | |
Fuse MINI 20A | AUX PWR Auxiliary Power Outlet - Console | |
Fuse MINI 15A | PCM 1 Powertrain Control Module | |
Fuse MINI 15A | ETC/ECM Electronic Throttle Control. Electronic Brake Controller | |
Fuse MINI 10A | IGN E Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay | |
Fuse MINI 30A | RTD Ride Control | |
Fuse MINI 10A | TRL B/U Backup Lamps Trailer Wiring | |
Fuse MINI 20A | PCM B Powertrain Control Module. Fuel Pump | |
Relay | F/PMP_R Fuel Pump (Relay) | |
Fuse MINI 20A | B/U LP Back-up Lamps. Automatic Transmission Shift Lock Contro System | |
Fuse MINI 30A | RR DEFOG Rear Window Defogger | |
Relay | HDLP-HI Headlamp High Beam Relay | |
Fuse MINI 15A | SIR Supplemental Inflatable Restraint System | |
Fuse MINI 10A | FRT PARK Front Parking Lamps, Sidemarker Lamps | |
Relay | DRL_R Daytime Running Lamps (Relay) | |
Fuse MINI 10A | SEO IGN Rear Defog Relay | |
Fuse MINI 10A | TBC IGN1 Truck Body Controller Ignition | |
Fuse MINI 10A | HI HDLP-LT High Beam Headlamp-Left | |
Fuse MINI 10A | DRL Daytime Running Lamps | |
Fuse MINI 10A | IPC/DIC Instrument Panel Cluster/Driver Information Center | |
Fuse MINI 10A | HVAC/ECAS Climate Control Controller | |
Fuse MINI 15A | CIG LTR Cigarette Lighter | |
Fuse MINI 10A | HI HDLP-RT High Beam Headlamp-Right | |
Relay | HDLP-LOW Headlamp Low Beam Relay | |
Fuse MINI 10A | A/C COMP Air Conditioning Compressor | |
Relay | A/C COMP_R Air Conditioning Compressor Relay | |
Fuse MINI 15A | RADIO Audio System | |
Fuse MINI 15A | SEO B1 Mid Bussed Electrical Center, Rear Heated Seats, HomeLink | |
Fuse MINI 10A | LO HDLP-LT Headlamp Low Beam-Left | |
Fuse MINI 10A | BTSI Brake Transmission Shift Interlock System | |
Fuse MINI 10A | CRANK Starting System | |
Fuse MINI 10A | LO HDLP-RT Headlamp Low Beam-Right | |
Relay | FOG LP_R Fog Lamp Relay | |
Fuse MINI 15A | FOG LP Fog Lamps | |
Fuse MINI 15A | HORN Horn | |
Relay | HORN_R Horn Relay | |
Relay | W/S WASH_R Windshield Washer Pump Relay | |
Fuse MINI 15A | W/S WASH Windshield Washer Pump | |
Fuse MINI 15A | INFO OnStar/Rear Seat Entertainment | |
Fuse MINI 30A | RADIO AMP Radio Amplifier | |
Fuse MINI 30A | TREC All-Wheel Drive Module | |
Fuse MINI 15A | SBA Supplemental Brake Assist | |
Fuse MINI 25A | 1 INJ 2 [Gasoline engine and Diesel engine] | |
Fuse MINI 25A | 1 INJ 2 [GAS/ESSENCE] | |
Fuse MINI 25A | 1 EDU [DIESEL] | |
Fuse MINI 15A | 2 Ignition Relay | |
Fuse MINI 15A | 2 INJ 1 [Gasoline engine], ECMRPV [Diesel engine] | |
Fuse MINI 15A | 2 INJ 1 [GAS/ESSENCE] | |
Fuse MINI 15A | 2 ECMRPV [DIESEL] | |
Fuse MINI 15A | 3 02A [Gasoline Engine], FUEL HT [Diesel Engine] | |
Fuse MINI 15A | 3 O2A [GAS/ESSENCE] | |
Fuse MINI 15A | 3 FUEL HT [DIESEL] | |
Fuse MINI 15A | 4 Oxygen Sensors [Gasoline engine], ECM I [Diesel Engine] | |
Fuse MINI 15A | 4 O2B [GAS/ESSENCE] | |
Fuse MINI 15A | 4 ECM [DIESEL] | |
Relay | 5 IGN 1 [GAS/ESSENCE] | |
Relay | 5 EDU [DIESEL] |
GMC Sierra 2500 fuse box diagrams change across years, pick the right year of your vehicle:
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