Cadillac Escalade (GMT 800; 2001-2006) fuses and relays

Fuse box diagram (location and assignment of electrical fuses and relays) for Cadillac Escalade (GMT 800; 2001, 2002, 2003, 2004, 2005, 2006).

Fuse box diagram: Cadillac Escalade
(GMT 800; 2001-2006)

Passenger compartment fuse box

The fuse box is located on the driver’s side of the instrument panel, behind the coverThe location of the fuses in the passenger compartment: Cadillac Escalade (2001, 2002, 2003, 2004, 2005, 2006)

Fuse box diagram (2001-2002)

Instrument panel fuse box diagram: Cadillac Escalade (2001, 2002)

Assignment of the fuses and relays in the instrument panel fuse box (2001-2002)
NameDescription
L BODYRetained Accessory Power Relay
LOCKPower Door Locks
DRV UNLOCKPower Door Lock Relay
LOCKPower Door Lock Relay
HVAC 1Climate Control System
CRUISECruise Control, Instrument Cluster
IGN 3Ignition, Power Seats
4WDNot Used
CRANKStarting System
INT PRKInterior Lamps
L DOORPower Door Lock Relay
BRAKEAnti-Lock Brake System
RR WIPERRear Window Wiper
ILLUMInterior Lamps
SEATPower Seat Circuit Breaker
TURNExterior Lamps, Turn Signals, Hazard Lamps
UNLOCKPower Door Locks
HTR A/CClimate Control System
WS WPRWindshield Wipers
IGN 1Ignition, Instrument Panel
AIR BAGAir Bag
MIR/LOCKPower Mirrors, Power Door Locks
DR LOCKPower Door Locks
PWR WDOPower Window Circuit Breaker
UNLOCKPower Door Lock Relay
IGN 0PRND321 Display, Odometer, VCM/PCM
SEO IGNSpecial Equipment Option, Ignition
SEO ACCYSpecial Equipment Option Accessory, Cellular Telephone
RAP #1Retained Accessory Power Relay
RDO 1Audio System
RAP #2Rear Power Windows, Sunroof, Radio

Fuse box diagram (2003-2006)

Instrument panel fuse box diagram: Cadillac Escalade (2003, 2004, 2005, 2006)

Assignment of the fuses and relays in the instrument panel fuse box (2003-2006)
NameDescription
RR WiperRear Window Wiper Switch
SEO ACCYSpecial Equipment Option Accessory
WS WPRWindshield Wipers
TBC ACCYTruck Body Controller Accessory
IGN 3Ignition, Heated Seats
4WDFour-Wheel Drive System
HTR A/CClimate Control System
LOCKPower Door Lock Relay (Lock Function)
HVAC 1Inside Rearview Mirror, Climate Control System
L DOOR (LT DR)Driver’s Door Harness Connection
CRUISECruise Control
UNLOCKPower Door Lock Relay (Unlock Function)
RR FOG LP2003-2005: Rear Fog Lamp (Export Only)
2006: Not Used
BRAKE2003-2005: Anti-Lock Brake System
2006: Brake Switch
DRIVER UNLOCKPower Door Lock Relay (Driver’s Door Unlock Function)
IGN 02003-2005: PCM, TCM
2006: Brake Transmission Shift Interlock, Powertrain Control Module, Transmission
TBC IGN 0Truck Body Controller
VEH CHMSLVehicle and Trailer High Mounted Stoplamp
LT TRLR ST/TRNLeft Turn Signal/Stop Trailer
LT TRNLeft Turn Signals and Sidemarkers
VEH STOPVehicle Stoplamps, Brake Module, Electronic Throttle Control Module
RT TRLR ST/TRNRight Turn Signal/Stop Trailer
RT TRNRight Turn Signals and Sidemarkers
BODYHarness Connector
DDMDriver Door Module
AUX PWR 2
(AUX PWR 2, M/GATE)
2003-2005: Rear Cargo Area Power Outlets
2006: Instrument Panel Outlets, Rear Cargo Area Power Outlets
LOCKS (LCKS)2003-2005: Power Door Lock System
2006: Rear Doors and Liftgate Power Lock Relay Feed
ECC (ECC TPM)2003-2005: Rear Electronic Climate Control, Liftgate
2006: Liftgate, Tire Pressure Monitoring System
TBC 2CTruck Body Controller
FLASH (HAZRD)Flasher Module
CB LT DOORS2003-2005: Left Power Window Circuit Breaker
2006: Left Rear Power Window Circuit Breaker and Driver Door Module
TBC 2BTruck Body Controller
TBC 2ATruck Body Controller

Center Instrument Panel Fuse Block

This unit is located underneath the instrument panel, to the left of the steering column

2001-2002

Center Instrument Panel Fuse Block: Cadillac Escalade (2001, 2002)

Center Instrument Panel Fuse Block (2001-2002)
Relay NameDescription
SEOSpecial Equipment Option
HTD STHeated Seats
SPARE 4Not Used
VANITYHeadliner Wiring
TRAILERTrailer Brake Wiring
PWR STPower Seats
YE9Not Used
UPFUpfitter
PARK LAMPParking Lamps
* (FRT PRK EXPT)Not Used
SPARE 2Not Used
PUDDLE LPPuddle Lamps
SL RIDENot Used
SPARE 3Not Used
INADV PWRInterior Lamps Feed
CTSY LPCourtesy Lamps
CEL PHONECellular Telephone Wiring

2003-2006

Center Instrument Panel Fuse Block: Cadillac Escalade (2003, 2004, 2005, 2006)

Center Instrument Panel Fuse Block (2003-2006)
NameDescription
SEO2003-2005: Special Equipment Option
2006: Special Equipment Option/Off-road Lamps Harness Connector
TRAILERTrailer Brake Wiring
UPFITUpfitter (Not Used)
SL RIDERide Control Harness Connection
HDLR 2Headliner Wiring Connector 2
BODYBody Wiring Connector
DEFOGRear Defogger Relay
HDLNR 1Headliner Wiring Connector 1
SPARE RELAYNot Used
CB SEATDriver and Passenger Seat Module Circuit Breaker
CB RT DOOR2003-2005: Right Power Window Circuit Breaker
2006: Rear Right Power Window, Passenger Door Module
SPARENot Used
INFO2003-2005: Infotainment Harness Connection
2006: Not Used

Fuse Box in the engine compartment

The location of the fuses in the engine compartment: Cadillac Escalade (2001, 2002, 2003, 2004, 2005, 2006)

Fuse box diagram (2001-2002)

Under-hood fuse box diagram: Cadillac Escalade (2001, 2002)

Assignment of the fuses and relays in the Engine compartment fuse box (2001-2002)
NameDescription
STUD #1Accessory Power/Trailer Wiring Feed/Load Leveling
ABSAnti-Lock Brakes
IGN AIgnition Switch
AIRA.I.R. System
RAP #1Retained Accessory Power, Power Mirrors, Power Door Locks, Power Seats
IGN BIgnition Switch
RAP #2Retained Accessory Power/Rear Power Windows, Sunroof, Radio
STUD #2Accessory Power/Trailer Wiring Brake Feed
TRL R TRNRight Turn Signal Trailer Wiring
TRL L TRNLeft Turn Signal Trailer Wiring
IGN 1Ignition, Fuel Controls
INJ-BIgnition, Fuel Controls (Relay)
STARTERStarter (Relay)
PARK LPParking Lamp
FRT HVACClimate Control System
STOP LPExterior Lamps, Stoplamps
ECM 1VCM/PCM
CHMSLCenter High Mounted Stoplamp
VEH STOPStoplamps, Cruise Control
TRL B/UBackup Lamps Trailer Wiring
INJ-AFuel Controls, Ignition
RR HVACRear HVAC
VEH B/UVehicle Backup Lamps
ENG 1Engine Controls, Canister Purge, Fuel System
ETCElectronic Throttle Control
IGN EA/C Compressor Relay, Rear Window Defogger, Daytime Running Lamps, A.I.R. System
B/U LPBackup Lamps, Automatic Transmission Shift Lock Control System
ATCAutomatic Transfer Case
RR DEFOGRear Window Defogger, Heated Mirrors (Relay)
RTDAutoride (Real Time Damping)
RR PRKRight Rear Parking Lamps
ECM BVCM/PCM
F/PMPFuel Pump (Relay)
O2 AOxygen Sensors
O2 BOxygen Sensors
LR PRKLeft Rear Parking Lamps
RR DEFOGRear Window Defogger, Heated Mirrors
HDLPHeadlamps (Relay)
TRL PRKParking Lamps Trailer Wiring
PRIMENot Used
RT HDLPRight Headlamps
DRLDaytime Running Lamps (Relay)
HTD MIRHeated Mirrors
LT HDLPLeft Headlamps
A/CAir Conditioning
AUX PWRCigarette Lighter, Auxiliary Power Outlets
SEO 2Special Equipment Option Power, Power Seats
SEO 1Special Equipment Option Power
DRLDaytime Running Lamps
A/CA/C (Relay)
FOG LPFog Lamps
FOG LPFog Lamps (Relay)
RADIOAudio System, Instrument Cluster, Climate Control System
CIGARCigarette Lighter, Auxiliary Power Outlets
RT TURNRight Turn Signals
BTSIAutomatic Transmission Shift Lock Control System
LT TURNLeft Turn Signals
FR PRKFront Parking Lamps, Sidemarker Lamps
W/W PMPWindshield Washer Pump
HORNHorn (Relay)
IGN CIgnition Switch, Fuel Pump, PRND321 Display, Crank
RDO AMPRadio Amplifier
HAZ LPExterior Lamps, Hazard Lamps
EXP LPSNot Used
HORNHorn
CTSY LPInterior Lamps
RR WPRRear Wipers
TBCBody Control Module, Remote Keyless Entry, Headlamps

Fuse box diagram (2003-2006)

2003-2004Under-hood fuse box diagram: Cadillac Escalade (2003, 2004)

2005Under-hood fuse box diagram: Cadillac Escalade (2005)

2006Under-hood fuse box diagram: Cadillac Escalade (2006)

Assignment of the fuses and relays in the Engine compartment fuse box (2003-2006)
NameDescription
GLOW PLUGNot Used
CUST FEEDAccessory Power
HYBRID2005: Hybrid
2006: Not Used
STUD #12003-2005: Auxiliary Power
2006: Accessory Power/Trailer Wiring
MBEC (MBEC 1)Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors
BLOWERFront Climate Control Fan
LBEC (LBEC 2)Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet—Rear Cargo Area and Instrument Panel
STUD 2Accessory Power/Trailer Wiring Brake Feed
ABSAnti-Lock Brakes
VSES/ECAS2003-2005: Vehicle Stability
2006: Automatic Level Control (ALC) Compressor
IGN AIgnition Power
IGN BIgnition Power
LBEC 1Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module
TRL PARKParking Lamps Trailer Wiring
RR PARKRight Rear Parking and Sidemarker Lamps
LR PARKLeft Rear Parking and Sidemarker Lamps
PARK LPParking Lamps Relay
STARTER (STRTR)Starter Relay
INTPARK2003-2005: Interior Lamps
2006: Roof Marker Lamps
STOP LPStoplamps
TBC BATTTruck Body Controller Battery Feed
SUNROOF (S/ROOF)Sunroof
SEO B2Off-Road Lamps
4WS2003-2005: Vent Solenoid Canister/Quadrasteer Module Power
2006: Not used
RR HVACRear Climate Control
AUX PWRAuxiliary Power Outlet — Console
IGN 1Ignition Relay
IGN 1PCM Ignition
PCM 1Powertrain Control Module
ETC/ECMElectronic Throttle Control, Electronic Brake Controller
INJ 1Ignition Coil, Fuel Injectors – Bank 1
INJ 2Ignition Coil, Fuel Injectors – Bank 2
IGN E2003-2004: Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay

2005-2006: Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay, Electronic Brake Controller TC2 Mode Switch
RTD2003-2004: Ride Control
2005: Electronic Brake Controller Battery Feed
2006: Electronic Suspension Control, Automatic Level Control (ALC) Exhaust
TRL B/UBackup Lamps Trailer Wiring
PCM BPowertrain Control Module, Fuel Pump
F/PMPFuel Pump (Relay)
O2A
O2B
Oxygen Sensors
B/U LPBack-up Lamps, Automatic Transmission Shift Lock Control System
RR DEFOGRear Window Defogger
HDLP-HIHeadlamp High Beam Relay
PRIMENot Used
SIR (AIRBAG)Supplemental Inflatable Restraint System
FRT PARKFront Parking Lamps, Sidemarker Lamps
DRLDaytime Running Lamps (Relay)
SEO IGNRear Defog Relay
TBC IGN1Truck Body Controller Ignition
HI HDLP-LTHigh Beam Headlamp-Left
LH HID2003-2004: Left Hand High Intensity Discharge Lamps
2005-2006: Not Used
DRLDaytime Running Lamps
RVCRegulated Voltage Control
IPC/DICInstrument Panel Cluster/Driver Information Center
HVAC/ECASClimate Control Controller/Electronically Controlled Air Suspension
CIG LTRCigarette Lighter
HI HDLP-RTHigh Beam Headlamp-Right
HDLP-LOWHeadlamp Low Beam Relay
A/C COMPAir Conditioning Compressor
A/C COMPAir Conditioning Compressor Relay
RR WPRRear Wiper/Washer
RADIOAudio System
SEO B1Mid Bussed Electrical Center, HomeLink, Rear Heated Seats
LO HDLP-LTHeadlamp Low Beam-Left
BTSIBrake Transmission Shift Interlock System
CRANKStarting System
LO HDLP-RTHeadlamp Low Beam-Right
FOG LP2003-2004: Fog Lamp Relay
2005-2006: Not Used
FOG LP2003-2004: Fog Lamps
2005-2006: Not Used
HORNHorn Relay
W/S WASHWindshield and Rear Window Washer Pump Relay
W/S WASHWindshield and Rear Window Washer Pump
INFO2003-2004: OnStar/Rear Seat Entertainment
2005-2006: OnStar
RADIO AMPRadio Amplifier
RH HID2003-2004: Right Hand High Intensity Discharge Lamp
2005-2006: Not used
HORNHorn Fuse
EAP2003-2004: Electric Adjustable Pedals
2005-2006: Not Used
TRECAll-Wheel Drive Module
SBA2003-2004: Supplemental Brake Assist
2005-2006: Not Used

Auxiliary Fuse Block (Electric Cooling Fan)
(if equipped)

It is located in the engine compartment near the fuse box

Auxiliary Fuse Block: Cadillac Escalade (2005, 2006)

Auxiliary Fuse Block
FusesDescription
COOL/FANCooling Fan
COOL/FANCooling Fan Relay Fuse
COOL/FANCooling Fan Fuse
Relays
COOL/FAN 1Cooling Fan Relay 1
COOL/FAN 3Cooling Fan Relay 3
COOL/FAN 2Cooling Fan Relay 2
Cadillac Escalade (GMT 800; 2001-2006) fuses and relays December 10, 2018 admin