Table of Contents
In this article, we will take a detailed look at the fuse diagrams for the Cadillac Escalade (GMT800; second generation): 2003, 2004, 2005, 2006 model year.
Fuses marked as “AUX PWR 2, M/GATE” and “AUX PWR 2” in the passenger compartment and fuses marked as “AUX PWR” and “CIG LTR” in the engine bay are responsible for the cigarette lighter and 12V power outlets.
In the passenger compartment
There are two fuse boxes here. First block is located on the left side edge of the dashboard.
Fuse box #1
To access pull off the plastic cover.
Access example.
General view.
| Diagram | |
|---|---|
|
|
| Name | Description |
| 4WD | Air Suspension Switch/Module |
| AUX PWR 2, M/GATE |
|
| BODY | Harness Connector |
| BRAKE | Brake Switch |
| CB LT DRS |
|
| CRUISE | Cruise Control System |
| DDM | Driver Door Module |
| DRIVER UNLCK | Power Door Lock Relay (Driver's Door Unlock Function) |
| ECO TPM | Tire Pressure Monitoring System / Liftgate |
| HAZRD | Flasher Module, Turn Signals |
| HTR A/C | Climate Control Unit |
| HVAC 1 | Inside Rearview Mirror, Climate Control Module |
| IGN 0 | Brake Transmission Shift Interlock, PCM, Transmission |
| IGN 3 | Rear Heated Seats Module |
| LCK | Power Door Lock Relay (Lock Function) |
| LCKS | Liftgate Power Lock Relay Feed and Rear Doors |
| LT DR | Harness Connection (Driver's Door) |
| LT TRLR ST/TRN | Turn Signal/Stop Trailer (Left Side) |
| LT TRN | Turn Signals and Sidemarkers (Left Side) |
| RR FOG LP | Empty |
| RR Wiper | Rear Window Wiper Switch |
| RT TRLR ST/TRN | Turn Signal/Stop Trailer (Right Side) |
| RT TRN | Turn Signals and Sidemarkers (Right Side) |
| SEO ACCY | Special Equipment Option Accessory |
| TBC 2A | Truck Body Controller |
| TBC 2B | |
| TBC 2C | |
| TBC ACCY | Truck Body Accessory Controller |
| TBC IGN 0 | Truck Body Controller |
| UNLCK | Power Door Lock Relay (Unlock Function) |
| VEH CHMSL | Vehicle and Trailer High Mounted Stoplamp |
| VEH STOP | Vehicle Stoplamps, Brake Module, Electronic Throttle Control Module |
| WS WPR | Windshield Wipers |
Fuse box #2 (Center)
Second block located to the left of the steering column, underneath the instrument panel.
| Diagram | |
|---|---|
|
|
| Name | Description |
| BODY | Body Wiring Connector |
| CB RT DOOR | Power Window (Rear Right side), Passenger Door Module |
| CB SEAT | Passenger and Driver Seat Module Circuit Breaker |
| DEFOG | Rear Defogger Relay |
| HDLNR 1 | Headliner Wiring Connector |
| HDLR 2 | |
| INFO | Empty |
| SEO | Special Equipment Option/Off-road Lamps Harness Connector |
| SL RIDE | Ride Control |
| SPARE | Empty |
| TRAILER | Trailer Brake Wiring |
| UPFIT | Upfitter |
In the engine compartment
There are two fuse boxes here.
Primary Fuse Box
Primary box located on the left side near the battery, behind the plastic cover.
General view.
| Diagram | |
|---|---|
|
|
| Name | Description |
| 4WS | Empty |
| A/C COMP | Air Conditioning Compressor Fuse and Relay |
| ABS | Anti-lock Brakes System |
| AIRBAG | Supplemental Inflatable Restraint System |
| AUX PWR | Auxiliary 12V Power Outlet - Console, Cigar lighter |
| B/U LP | Automatic Transmission Shift Lock Control System and Back-up Lamps |
| BLWR | Front Climate Control Fan |
| BTSI | Brake Transmission Shift Interlock System |
| CIG LTR | Cadillac Escalade Cigarette Lighter Fuse |
| CRNK | Starting System |
| CUST FEED | Gasoline Accessory Power |
| DRL | Daytime Running Lamps (Relay) |
| EAP | Empty |
| ETC/ECM | Electronic Throttle Control, Electronic Brake Controller |
| F/PMP | Escalade Fuel Pump Relay |
| FOG LP | Empty |
| FRT PARK | Sidemarker Lamps and Front Parking Lamps |
| GLOW PLUG | Empty |
| HDLP-HI | High Beam Headlamp Relay |
| HDLP-LOW | Low Beam Headlamp Relay |
| HI HDLP-LT | High Beam Headlamp (Driver's Side) |
| HI HDLP-RT | High Beam Headlamp (Passenger's Side) |
| HORN | Horn Fuse or Relay |
| HVAC/ECAS | Climate Control Controller |
| HYBRID | Empty |
| IGN A | Ignition Switch |
| IGN B | |
| IGN E | Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay, Electronic Brake Controller TC2 Mode Switch |
| INFO | OnStar System |
| INT PARK | Roof Marker Lamps |
| IPC/DIC | Instrument Panel Cluster/Driver Information Center |
| LBEC 1 | Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module (turn signals) |
| LBEC 2 | Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary 12V Power Outlet - Rear Cargo Area and Instrument Panel |
| LH HID | Empty |
| LO HDLP-LT | Low Beam Headlamp (Driver's Side) |
| LO HDLP-RT | Low Beam Headlamp (Passenger's Side) |
| LR PARK | Parking and Sidemarker Lamps (Left Rear Side) |
| MBEC 1 | Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors |
| PARK LP | Parking Lamps Relay |
| PCM 1 | Powertrain Control Module |
| PRIME | Empty |
| RADIO | Audio System, radio |
| RADIO AMP | Radio Amplifier |
| RH HID | Empty |
| RR DEFOG | Rear Window Defogger |
| RR PARK | Parking and Sidemarker Lamps (Right Rear Side) |
| RR WPR | Rear Wiper/Washer |
| RTD | Electronic Suspension Control, Automatic Level Control (ALC) Exhaust |
| RVC | Regulated Voltage Control |
| SBA | Empty |
| SEO B1 | Mid-Bussed Electrical Center, Universal Home Remote System, Rear Heated Seats |
| SEO B2 | Off-Road Lamps |
| SEO IGN | Rear Defog Relay |
| STOP LP | Stop lamps |
| STRTR | Starter Relay |
| STUD #1 | Accessory Power/Trailer Wiring |
| STUD #2* | Accessory Power/Trailer Wiring Brake Feed |
| TBC BATT | Truck Body Controller (Battery Feed) |
| TBC IGN1 | Truck Body Controller (Ignition) |
| TCMB | Transmission Control Module |
| TREC | All-Wheel Drive System |
| TRL B/U | Trailer Wiring Backup Lamps |
| TRLPARK | Trailer Wiring Parking Lamps |
| VSES/ECAS | Automatic Level Control (ALC) Compressor |
| W/S WASH | Windshield and Rear Window Washer Pump |
|
|
Additional distribution box
Located on the driver’s side next to the primary fuse box.
| Diagram | |
|---|---|
|
|
| COOL/FAN 1 | Relay 1 |
| COOL/FAN 3 | Relay 3 |
| COOL/FAN 2 | Relay 2 |
| COOL/FAN | Cooling Fan Fuse |
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