Cadillac Escalade (GMT 800; 2006) – fuse box diagram
Year of production: 2006
Instrument Panel Fuse Block
The fuse block access door is on the driver’s side edge of the instrument panel. Pull off the cover to access the fuse block.
| Fuses | Usage |
| RR Wiper | Rear Window Wiper Switch |
| SEO ACCY | Special Equipment Option Accessory |
| WS WPR | Windshield Wipers |
| TBC ACCY | Truck Body Controller Accessory |
| IGN 3 | Rear Heated Seats Module |
| 4WD | Air Suspension Switch/Module |
| HTR A/C | Climate Control System |
| LOCK | Power Door Lock Relay (Lock Function) |
| HVAC 1 | Inside Rearview Mirror, Climate Control System |
| L DOOR | Driver’s Door Harness Connection |
| CRUISE | Cruise Control |
| UNLOCK | Power Door Lock Relay (Unlock Function) |
| RR FOG LP | Not Used |
| BRAKE | Brake Switch |
| DRIVER UNLOCK | Power Door Lock Relay (Driver’s Door Unlock Function) |
| IGN 0 | Brake Transmission Shift Interlock, Powertrain Control Module, Transmission |
| TBC IGN 0 | Truck Body Controller |
| VEH CHMSL | Vehicle and Trailer High Mounted Stoplamp |
| LT TRLR ST/TRN | Left Turn Signal/Stop Trailer |
| LT TRN | Left Turn Signals and Sidemarkers |
| VEH STOP | Vehicle Stoplamps, Brake Module, Electronic Throttle Control Module |
| RT TRLR ST/TRN | Right Turn Signal/Stop Trailer |
| RT TRN | Right Turn Signals and Sidemarkers |
| BODY | Harness Connector |
| DDM | Driver Door Module |
| AUX PWR 2, M/GATE | Instrument Panel Outlets, Rear Cargo Area Power Outlets |
| LCKS | Rear Doors and Liftgate Power Lock Relay Feed |
| ECC TPM | Liftgate, Tire Pressure Monitoring System |
| TBC 2C | Truck Body Controller |
| HAZRD | Flasher Module |
| CB LT DOORS | Left Rear Power Window Circuit Breaker and Driver Door Module |
| TBC 2B | Truck Body Controller |
| TBC 2A | Truck Body Controller |
Center Instrument Panel Fuse Block
The center instrument panel utility block is located underneath the instrument panel, to the left of the steering column.
| Device | Usage |
| SEO | Special Equipment Option/Off-road Lamps Harness Connector |
| TRAILER | Trailer Brake Wiring |
| UPFIT | Upfitter (Not Used) |
| SL RIDE | Ride Control (Not Used) |
| HDLR 2 | Headliner Wiring Connector 2 |
| 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 |
| CB RT DOOR | Rear Right Power Window, Passenger Door Module |
| SPARE | Not Used |
| INFO | Not Used |
Underhood Fuse Block
The underhood fuse block in the engine compartment on the driver’s side of the vehicle near the battery.
Lift the cover for access to the fuse/relay block.
*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 — Rear Climate Control.
*8 — Sunroof.
| Fuses | Usage |
| GLOW PLUG | Not Used |
| CUST FEED | Gasoline Accessory Power |
| HYBRID | Not used |
| STUD #1 | Accessory Power/Trailer Wiring |
| MBEC 1 | Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors |
| BLOWER | Front Climate Control Fan |
| LBEC 2 | 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 | Automatic Level Control (ALC) Compressor |
| 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 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 | Auxiliary Power Outlet — 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 Suspension Control, Automatic Level Control (ALC) Exhaust |
| 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 |
| 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 |
| RR WPR | Rear Wiper/Washer |
| RADIO | Audio System |
| SEO B1 | Mid Bussed Electrical Center, HomeLink, Rear Heated Seats |
| LO HDLP-LT | Driver’s Side Headlamp Low Beam |
| BTSI | Brake Transmission Shift Interlock System |
| CRANK | 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 | All-Wheel Drive Module |
| SBA | Not used |
Auxiliary Electric Cooling Fan Fuse Block
The auxiliary electric cooling fan fuse block is located in the engine
compartment on the driver’s side of the vehicle next to the underhood fuse block.
| Fuses | Usage |
| COOL/FAN | Cooling Fan |
| COOL/FAN | Cooling Fan Relay Fuse |
| COOL/FAN | Cooling Fan Fuse |
| Relays | Usage |
| COOL/FAN 1 | Cooling Fan Relay 1 |
| COOL/FAN 3 | Cooling Fan Relay 3 |
| COOL/FAN 2 | Cooling Fan Relay 2 |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.