2003 Chevrolet Silverado 2500 fuse box diagram
The 2003 Chevrolet Silverado 2500 has 3 different fuse boxes:
Underhood Fuse Block diagram
Instrument Panel Fuse Block diagram
Center Instrument Panel Fuse Block diagram
Chevrolet Silverado 2500 fuse box diagrams change across years, pick the right year of your vehicle:
| Type | Description | |
|---|---|---|
Battery terminal | GLOW PLUG Diesel Glow Plugs and Intake Air Heater / Gasoline Accessory Power | |
Battery terminal | CUST FEED Gasoline Accessory Power | |
Fuse FMX/JCase | STUD #1 Auxiliary Power [Single Battery and Diesels Only] / Dual Battery (TP2) Do not instal 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 Pane | |
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 Vent Solenoid Canister/QUADRASTEERtm Module Power | |
Fuse MINI - | RR HVAC Not Used | |
Fuse MINI 20A | AUX PWR Auxiliary Power Outlet Console | |
Relay | 5 IGN 1 [GAS] | |
Relay | 5 EDU [DIESEL] | |
Fuse MINI 15A | PCM 1 Powertrain Contro Module | |
Fuse MINI 15A | ETC/ECM Electronic Throttle Control. Electronic Brake Controller | |
Fuse MINI 10A | IGN E Instrument Pane 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 Contro Module. Fuel Pump | |
Relay | F/PMP Fuel Pump (Relay) | |
Fuse MINI 20A | B/U LP Back-up Lamps. Automatic Transmission Shift Lock Control System | |
Fuse MINI 30A | RR DEFOG Rear Window Defogger | |
Relay | HDLP-HI Headlamp High Beam Relay | |
Fuse - | PRIME Not Used | |
Fuse MINI 15A | SIR Supplementa 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 - | LH HID Not Used | |
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 - | RR WPR Not Used | |
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 | |
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 - | RH HID Not Used | |
Fuse MINI 15A | HORN Horn | |
Fuse MINI - | EAP Not Used | |
Fuse MINI 30A | TREC All-Whee Drive Module | |
Fuse MINI 15A | SBA Supplemental Brake Assist | |
Fuse MINI 15A | 1 INJ 2 [GAS] | |
Fuse MINI 25A | 1 EDU [DIESEL] | |
Fuse MINI 15A | 2 Gasoline Engine; ECMRPV - Diesel Engine. | |
Fuse MINI 15A | 2 INJ 1 [GAS] | |
Fuse MINI 15A | 3 O2A [GAS] | |
Fuse MINI 15A | 3 FUEL HT [DIESEL] | |
Fuse MINI 15A | 4 02B [GAS] | |
Fuse MINI 15A | 4 ECMI [DIESEL] |
| Type | Description | |
|---|---|---|
Fuse MINI 15A | RR Wiper Rear Wiper | |
Fuse MINI 10A | SEO ACCY Special 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 | |
Connector | 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) | |
Relay | RR FOG LP Not Used | |
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 Signai/Stop Traiier | |
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 | |
Connector | BODY Harness Connector | |
Fuse MINI 15A | DDM Driver Door Module | |
Fuse MINI 20A | AUX PWR 2 Auxiliary Power Socket | |
Fuse MINI 20A | LOCKS Power Door Lock System | |
Fuse MINI 10A | ECC ECC - TPM | |
Fuse MINI 15A | TBC 2C Truck Body Controller | |
Fuse MINI 25A | FLASH Flasher Module | |
Circuit breaker MAXI | CB LT DOORS Left Power Windows Circuit Breaker | |
Fuse MINI 15A | TBC 2B Truck Body Controller | |
Fuse MINI 15A | TBC 2A Truck Body Controller | |
Fuse MINI 10A | PDM PDM |
| Type | Description | |
|---|---|---|
Relay | SEO Specia 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 | |
Relay | SPARE RELAY Not Used | |
Circuit breaker | CB SEAT Driver and Passenger Seat Module Circuit Breaker | |
Circuit breaker | CB RT DOOR Right Power Windows Circuit Breaker | |
Relay | SPARE Not Used | |
Relay | INFO Infotainment Harness Connection |
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