Chevrolet Suburban / Tahoe (GMT800; 2000-2006) fuses and relays

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In this article, we consider the ninth-generation Chevrolet Suburban and second-generation Tahoe (GMT800), produced from 2000 to 2006. Here you will find fuse box diagrams of Chevrolet Suburban / Tahoe 2000, 2001, 2002, 2003, 2004, 2005 and 2006, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Layout Chevrolet Suburban / Tahoe 2000-2006


Cigar lighter (power outlet) fuses in the Chevrolet Suburban (Tahoe) are located in the Engine Compartment Fuse Box and since 2003 also in the Instrument Panel Fuse Box.
2000-2002 – see fuses “AUX PWR” and “CIGAR” in the Engine Compartment Fuse Box.
2003-2006 – see fuses “AUX HVAC” (Auxiliary Power Outlet – Console), “CIG LTR” (Cigarette Lighter) in the Engine Compartment Fuse Box, and fuse “AUX PWR 2” / “AUX PWR 2, M/GATE” (Rear Cargo Area Power Outlet) in the Instrument Panel Fuse Box.


Fuse box location

Instrument Panel

The fuse box is located on the driver’s side of the instrument panel, behind the cover.The location of the fuses in the passenger compartment: Chevrolet Suburban / Tahoe (GMT800; 2000-2006)

Center instrument panel relay box

The center instrument panel utility block is located underneath the instrument panel, to the left of the steering column.

Engine Compartment

The location of the fuses in the engine compartment: Chevrolet Suburban / Tahoe (GMT800; 2000-2006)

Auxiliary Electric Cooling Fan Fuse Block (if equipped)

It is located in the engine compartment on the driver’s side of the vehicle next to the underhood fuse box.

Fuse box diagrams

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2000, 2001, 2002

Instrument Panel

Instrument panel fuse box diagram: Chevrolet Suburban / Tahoe (2000, 2001, 2002)

Assignment of the fuses in the Instrument Panel (2000-2002)
NameCircuit protected
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
4WDFour-Wheel Drive System, Auxiliary Battery
CRANKStarting System
INT PRKParking Lamps, Sidemarker Lamps, Interior 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

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Center instrument panel relay box

Center instrument panel relay box: Chevrolet Suburban / Tahoe (2000, 2001, 2002)

Center instrument panel relay box (2000-2002)
Relay NameCircuit protected
SEOSpecial Equipment Option
HTD STHeated Seats
HDLNRHeadliner (2001-2002)
VANITYHeadliner Wiring
TRAILERTrailer Brake Wiring
PWR STPower Seats
Y9Not Used
UPFUpfitter
PARK LAMPParking Lamps
FRT PRK EXPTNot Used
SPARE 2Not Used
PUDDLE LPNot Used / Puddle Lamps (2002)
SL RIDENot Used
SPARE 3Not Used
INADAV PWRInterior Lights Feed
CTSY LPCourtesy Lamps
CEL PHONECellular Telephone Wiring

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Engine Compartment

Under-hood fuse box diagram: Chevrolet Suburban / Tahoe (2000, 2001, 2002)

Assignment of the fuses and relay in the Engine Compartment (2000-2002)
NameCircuit protected
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 Seat(s)
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 Lamps
FRT HVACClimate Control System
STOP LPExterior Lamps, Stoplamps
ECM 1PCM
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 BPCM
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, Aux Roof Mnt Lamp
SEO 1Special Equipment Option Power, Aux Roof Mnt Lamp, Cell Phone, Onstar
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

2003, 2004, 2005

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Instrument Panel

Instrument panel fuse box diagram: Chevrolet Suburban / Tahoe (2003, 2004, 2005)

Assignment of the fuses in the Instrument Panel (2003-2005)
NameUsage
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, Auxiliary Battery
HTR A/CClimate Control System
LOCKPower Door Lock Relay (Lock Function)
HVAC 1Inside Rearview Mirror, Climate Control System
L DOORDriver’s Door Harness Connection
CRUISECRUISE Control
UNLOCKPower Door Lock Relay (Unlock Function)
RR FOG LPRear Fog Lamp (Export Only)
BRAKEAnti-Lock Brake System
DRIVER UNLOCKPower Door Lock Relay (Drive’s Door Unlock Function)
IGN 0PCM, TCM
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
BODYHarmess Connector
DDMDriver Door Module
AUX PWR 2Rear Cargo Area Power Outlet
LOCKSPower Door Lock System
TBC 2CTruck Body Controller
FLASHFlasher Module
CB LT DOORSLeft Power Window Circuit Breaker
TBC 2BTruck Body Controller
TBC 2ATruck Body Controller

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Center instrument panel relay box

Center instrument panel relay box: Chevrolet Suburban / Tahoe (2003, 2004, 2005)

Center instrument panel relay box (2003-2006)
DeviceUsage
SEOSpecial Equipment Option
TRAILERTrailer Brake Wiring
UPFITUpfitter (Not Used)
SL RIDERide Control Harness Connection
HDLR 2Headliner Wiring Connector
BODYBody Wiring Connector
HDLNR 1Headliner Wiring Connector 1
SPARE RELAYNot Used
CB SEATDriver and Passenger Seat Module Circuit Breaker
CB RT DOORRight Power Window Circuit Breaker
SPARENot Used
INFOInfotainment Harness Connection

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Engine Compartment

Under-hood fuse box diagram: Chevrolet Suburban / Tahoe (2003, 2004, 2005)

Assignment of the fuses and relay in the Engine Compartment (2003-2005)
NameUsage
GLOW PLUGNot Used
CUST FEEDGasoline Accessory Power
HYBRIDHybrid
STUD #1Auxiliary Power (Single Battery and Diesels Only)/Dual Battery (TP2) Do not install fuse.
MBECMid Bussed Electrical Center Power Feed, Front Seats, Right Doors
BLOWERFront Climate Control Fan
LBECLeft 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/ECASVehicle Stability
IGN AIqnition Power
IGN BIqnition Power
LBEC 1Left Bussed Electrical Center, Left Door, 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
STARTERStarter Relay
INTPARKInterior Lamps
STOP LPStoplamps
TBC BATTTruck Body Controller Battery Feed
SUNROOFSunroof
SEO B2Off-Road Lamps
4WSVent Solenoid Canister/QUADRASTEER Module Power
RR HVACRear Climate Control
AUX HVACAuxiliary Power Outlet – Console
IGN 1Ignition Relay
PCM 1Powertrain Control Module
ETC/ECMElectronic Throttle Control, Electronic Brake Controller
IGN EInstrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay
RTDRide Control
TRL B/UBackup Lamps Trailer Wiring
PCM BPowertrain Control Module, Fuel Pump
F/PMPFuel Pump (Relay)
B/U LPBack-up Lamps, Automatic Transmission Shift Lock Control System
RR DEFOGRear Window Defogger
HDLP-HIHeadlamp High Beam Relay
PRIMENot Used
AIRBAGSupplemental 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 HIDNot Used
DRLDaytime Running Lamps
IPC/DICInstrument Panel Cluster/Driver Information Center
HVAC/ECASClimate Control Controller
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 LPFog lamp Relay
FOG LPFog Lamp
HORNHorn Fuse
HORNHorn Relay
W/S WASHWindshield and Rear Window Washer Pump Relay
W/S WASHWindshield and Rear Window Washer Pump
INFOOnStar/Rear Seat Entertainment
RADIO AMPRadio Amplifier
RH HIDNot Used
EAPElectric Adjustable Pedals
TRECAll-Wheel Drive Module
SBASupplemental Brake Assist
INJ 2/15AFuel Injection Rail #2
INJ 1/15AFuel Injection Rail #1
02A/15AOxygen Sensors
02B/15AOxygen Sensors
IGN 1Ignition 1
ECMRPV/15AEngine Control Module
FUEL HT/15AFuel Heater
ECM I/15AEngine Control Module

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Auxiliary Electric Cooling Fan Fuse Block

Auxiliary Electric Cooling Fan Fuse Block: Chevrolet Suburban / Tahoe (2003, 2004, 2005)

FusesUsage
COOL/FANCooling Fan
COOL/FANCooling Fan Relay Fuse
COOL/FANCooling Fan Fuse
Relays
COOL/FAN 1Cooling Fan Relay 1
COOL/FAN 2Cooling Fan Relay 3
COOL/FAN 3Cooling Fan Relay 2

2006

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Instrument Panel

Instrument panel fuse box diagram: Chevrolet Suburban / Tahoe (2006)

Assignment of the fuses in the Instrument Panel (2006)
NameUsage
RR WPRRear Window Wiper Switch
SEO ACCYSpecial Equipment Option Accessory
WS WPRWindshield Wipers
TBC ACCYTruck Body Controller Accessory
IGN 3Ignition, Heated Seats
4WDFour-wheel Drive System, Auxiliary Battery
HTR A/CClimate Control System
LCKPower Door Lock Relay (Lock Function)
HVAC 1Inside Rearview Mirror, Climate Control System
L DRDriver’s Door Harness Connection
CRUISECRUISE Control
UNLOCKPower Door Lock Relay (Unlock Function)
RR FOG LPRear Fog Lamp (Export Only)
BRAKEAnti-Lock Brake System
DRIVER UNLCKPower Door Lock Relay (Drive’s Door Unlock Function)
IGN 0PCM, TCM
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
BODYHarmess Connector
DDMDriver Door Module
AUX PWR 2, M/GATERear Cargo Area Power Outlet
LCKSPower Door Lock System
TBC 2CTruck Body Controller
HAZARDFlasher Module
CB LT DOORSLeft Power Window Circuit Breaker
TBC 2BTruck Body Controller
TBC 2ATruck Body Controller

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Center instrument panel relay box

Center instrument panel relay box: Chevrolet Suburban / Tahoe (2006)

Center instrument panel relay box (2003-2006)
DeviceUsage
SEOSpecial Equipment Option
TRAILERTrailer Brake Wiring
UPFITUpfitter (Not Used)
SL RIDERide Control Harness Connection
HDLR 2Headliner Wiring Connector
BODYBody Wiring Connector
HDLNR 1Headliner Wiring Connector 1
SPARE RELAYNot Used
CB SEATDriver and Passenger Seat Module Circuit Breaker
CB RT DOORRight Power Window Circuit Breaker
SPARENot Used
INFOInfotainment Harness Connection

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Engine Compartment

Under-hood fuse box diagram: Chevrolet Suburban / Tahoe (2006)

Assignment of the fuses and relay in the Engine Compartment (2006)
NameUsage
GLOW PLUGNot Used
CUST FEEDGasoline Accessory Power
HYBRIDHybrid
STUD #1Auxiliary Power (Single Battery and Diesels Only)/Dual Battery (TP2) Do not install fuse.
MBECMid Bussed Electrical Center Power Feed, Front Seats, Right Doors
BLWERFront Climate Control Fan
LBECLeft 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/ECASVehicle Stability
IGN AIqnition Power
IGN BIqnition Power
LBEC 1Left Bussed Electrical Center, Left Door, 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
STRTRStarter Relay
INTPARKInterior Lamps
STOP LPStoplamps
TBC BATTTruck Body Controller Battery Feed
SEO B2Off-Road Lamps
4WSNot Used
AUX HVACAuxiliary Power Outlet – Console
IGN 1Ignition Relay
PCM 1Powertrain Control Module
ETC/ECMElectronic Throttle Control, Electronic Brake Controller
IGN EInstrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay
RTDElectronic Suspension Control, Automatic Level Control (ALC) Exhaust
TRL B/UBackup Lamps Trailer Wiring
F/PMPFuel Pump (Relay)
B/U LPBack-up Lamps, Automatic Transmission Shift Lock Control System
RR DEFOGRear Window Defogger
HDLP-HIHeadlamp High Beam Relay
PRIMENot Used
AIRBAGSupplemental 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 HIDNot Used
DRLDaytime Running Lamps
IPC/DICInstrument Panel Cluster/Driver Information Center
HVAC/ECASClimate Control Controller
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
TCMBTransmission Control Module
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
CRNKStarting System
LO HDLP-RTPassenger’s Side Headlamp Low Beam
FOG LPFog lamp Relay
FOG LPFog Lamps
HORNHorn Relay
W/S WASHWindshield and Rear Window Washer Pump Relay
W/S WASHWindshield and Rear Window Washer Pump
INFOOnStar/Rear Seat Entertainment
RADIO AMPRadio Amplifier
RH HIDNot Used
EAPElectric Adjustable Pedals
TRECAll-Wheel Drive Module
SBASupplemental Brake Assist
INJ2Fuel Injection Rail #2
INJ 1Fuel Injection Rail #1
02AOxygen Sensors
02BOxygen Sensors
IGN 1Ignition 1
PCM BPowertrain Control Module, Fuel Pump
SBASupplemental Brake Assist
ECMEngine Control Module
ACTUATORActuator
FUEL HTRFuel Heater
ECM 1Engine Control Module 1
ECMEngine Control Module
ECM BEngine Control Module B
RR HVACRear Climate Control
S/ROOFSunroof
Auxiliary Electric Cooling Fan Fuse Block

Auxiliary Electric Cooling Fan Fuse Block: Chevrolet Suburban / Tahoe (2006)

FusesUsage
COOL/FANCooling Fan
COOL/FANCooling Fan Relay Fuse
COOL/FANCooling Fan Fuse
Relays
COOL/FAN 1Cooling Fan Relay 1
COOL/FAN 2Cooling Fan Relay 3
COOL/FAN 3Cooling Fan Relay 2

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