Cadillac Escalade 2003 Fuse Box Info
Fuse box location:
Instrument Panel Fuse Block is located on the driver’s side edge of the instrument panel. Center Instrument Panel Fuse Block is located underneath the instrument panel, to the left of the steering column.
Engine compartment fuse box:
Fuse Box Diagram | Layout
Passenger compartment fuse box (Instrument Panel Fuse Block):
| Fuse/Relay Name | Functions |
| RR Wiper | Rear Window Wiper Switch |
| SEO ACCY | Special Equipment Option Accessory |
| WS WPR | Windshield Wipers |
| TBC ACCY | Truck Body Controller Accessorv |
| IGN 3 | Ignition, Heated Seats |
| 4WD | Four-wheel Drive Svstem |
| HTR A/C | Climate Control Svstem |
| LOCK | Power Door Lock Relay (Lock Function) |
| HVAC 1 | Inside Rearview Mirror, Climate Control System |
| L DOOR | Driver's Door Harness Connection |
| CRUISE | Cruise Contro |
| UNLOCK | Power Door Lock Relay (Unlock Function) |
| RR FOG LP | Rear Fog Lamp (Export Only) |
| BRAKE | Anti-Lock Brake System |
| DRIVER UNLOCK | Power Door Lock Relay (Driver's Door Unlock Function) |
| IGN 0 | PCM, TCM |
| TBC IGN 0 | Truck Body Controller |
| VEH CHMSL | Vehicle and Trailer High Mounted Stoplamp |
| LT TRLR ST/TRN | Left Turn Siqnal/Stop Trailer |
| LT TRN | Left Turn Signals and Sidemarkers |
| VEH STOP | Vehicle Stoplamps, Brake Module, Electronic Throttle Control Module |
| RT TRLR ST/TRN | Riaht Turn Sianal/Stor, Trailer |
| RT TRN | Right Turn Signals and Sidemarkers |
| BODY | Harness Connector |
| DDM | Driver Door Module |
| AUX PWR 2 | Rear Cargo Area Power Outlets |
| LOCKS | Power Door Lock System |
| ECC | Rear Electronic Climate Control |
| TBC 2C | Truck Bodv Controller |
| FLASH | Flasher Module |
| CB LT DOORS | Left Power Window Circuit Breaker |
| TBC 2B | Truck Bodv Controller |
| TBC 2A | Truck Bodv Controller |
Passenger compartment fuse box (Center Instrument Panel Fuse Block):
| Fuse/Relay Name | Functions |
| SEO | Special Equipment Option |
| TRAILER | Trailer Brake Wiring |
| UPFIT | Upfitter (Not Used) |
| SL RIDE | Ride Control Harness Connection |
| HDLR 2 | Headliner Wiring Connector |
| BODY | Body Wiring Connector |
| DEFOG | Rear Defogger Relay |
| HDLNR 1 | Headliner Wiring Connector 1 |
| SPARE RELAY | Not Used |
| CB SEAT | Driver and Passenger Seat Module Circuit Breaker |
| SPARE | Spare |
| INFO | Infotainment Harness Connection |
Engine compartment fuse box:
| Fuse/Relay Name | Functions |
| GLOW PLUG | Not Used |
| CUST FEED | Accessory Power |
| STUD #I | Auxiliaw Power |
| MBEC | Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors |
| BLOWER | Front Climate Control Fan |
| LBEC | Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet—Rear Cargo Area and Instrument Panel |
| STUD 2 | Accessory Power/Trailer Wiring Brake Feed |
| ABS | Anti-Lock Brakes |
| VSES/ECAS | Vehicle Stability |
| IGN A | Ignition Power |
| IGN B | Ignition Power |
| LBEC 1 | Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module |
| TRL PARK | Parking Lamps Trailer Wiring |
| RR PARK | Right Rear Parking and Sidemarker Lamps |
| LR PARK | Left Rear Parking and Sidemarker Lamps |
| PARK LP | Parking Lamps Relav |
| STARTER | Starter Relay |
| INTPARK | Interior Lamps |
| STOP LP | Stoplamps |
| TBC BATT | Truck Body Controller Battery Feed |
| SUNROOF | Sunroof |
| SEO B2 | Off-Road Lamps |
| 4WS | Vent Solenoid Canister/ Quadrasteer Module Power |
| RR HVAC | Rear Climate Control |
| AUX PWR | Auxiliary Power Outlet — Console |
| IGN 1 | Ignition Relay |
| PCM 1 | Powertrain Control Module |
| ETC/ECM | Electronic Throttle Control, Electronic Brake Controller |
| INJ 1 | Ignition Coil, Fuel Injectors-Bank 1 |
| INJ 2 | Ignition Coil, Fuel Injectors-Bank 2 |
| IGN E | Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay |
| RTD | Ride Control |
| TRL B/U | Backup Lamps Trailer Wiring |
| PCM B | Powertrain Control Module, Fuel Pump |
| 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 |
| SIR | 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 | High Beam Headlamp-Left |
| LH HID | Left Hand High Intensity Discharge Lamps |
| DRL | Daytime Running Lamps |
| IPC/DIC | Instrument Panel Cluster/ Driver Information Center |
| HVAC/ECAS | Climate Control Controller |
| CIG LTR | Cigarette Lighter |
| HI HDLP-RT | High Beam Headlamp-Right |
| HDLP-LOW | Headlamp Low Beam Relay |
| A/C COMP | Air Conditioning Compressor Relay |
| A/C COMP | Air Conditioning Compressor |
| RR WPR | Rear Wiper/Washer |
| RADIO | Audio System |
| SEO B1 | Mid Bussed Electrical Center, HomeLink, Rear Heated Seats |
| LO HDLP-LT | Headlamp Low Beam-Left |
| BTSI | Brake Transmission Shift Interlock System |
| CRANK | Starting System |
| LO HDLP-RT | Headlamp Low Beam-Right |
| FOG LP | Fog Lamp Relay |
| FOG LP | Fog Lamps |
| HORN | Horn Relay |
| W/S WASH | Windshield and Rear Window Washer Pump Relay |
| W/S WASH | Windshield and Rear Window Washer Pump |
| INFO | OnStar/Rear Seat Entertainment |
| RADIO AMP | Radio Amplifier |
| RH HID | Right Hand High Intensity Discharge Lamp |
| HORN | Horn Fuse |
| EAP | Electric Adjustable Pedals |
| TREC | All-Wheel Drive Module |
| SBA | Supplemental Brake Assist |
