Cadillac Escalade (GMT 800; 2005) – fuse box diagram

Cadillac Escalade (GMT 800; 2005) – fuse box diagram

Year of production: 2005

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.

Cadillac Escalade mk2 - fuse box - instrument panel
Cadillac Escalade mk2 – fuse box – instrument panel
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 Ignition, Heated Seats
4WD Four-Wheel Drive System
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 Rear Fog Lamp (Export Only)
BRAKE Anti-Lock Brake System
DRIVER UNLOCK Power Door Lock Relay (Driver’s Door Unlock Function)
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 Rear Cargo Area Power Outlets
LOCKS Power Door Lock System
ECC Rear Electronic Climate Control, Liftgate
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORS Left Power Window Circuit Breaker
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.

Cadillac Escalade mk2 - fuse box - center instrument panel
Cadillac Escalade mk2 – fuse box – center instrument panel
Device Usage
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
CB SEAT Driver and Passenger Seat Module Circuit Breaker
CB RT DOOR Right Power Window Circuit Breaker
SPARE Not Used
INFO Infotainment Harness Connection

Underhood Fuse Block

The underhood fuse block in the engine compartment on the driver’s side of the vehicle near the battery.

Cadillac Escalade mk2 - fuse box - engine compartment
Cadillac Escalade mk2 – fuse box – engine compartment

Lift the cover for access to the fuse/relay block.

Fuses Usage
CUST FEED Accessory Power
STUD #1 Auxiliary Power
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 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 Relay
STRTR Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATT Truck Body Controller Battery Feed
S/ROOF 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, Electronic Brake Controller TC2 Mode Switch
RTD Electronic Brake Controller Battery Feed
TRL B/U Backup Lamps Trailer Wiring
PCM B Powertrain Control Module, Fuel Pump
F/PMP Fuel Pump (Relay)
O2A Oxygen Sensors
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
O2B Oxygen Sensors
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 High Beam Headlamp-Left
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/Electronically Controlled Air Suspension
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 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
RADIO AMP Radio Amplifier
RH HID Not used
HORN Horn Fuse
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.

Cadillac Escalade mk2 - fuse box - auxiliary electric cooling fan
Cadillac Escalade mk2 – fuse box – auxiliary electric cooling fan
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.