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

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.Fuses and relays 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

Fuses and relays 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

2000, 2001, 2002

Instrument Panel

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

Assignment of the fuses in the Instrument Panel (2000-2002)

Name Circuit protected
L BODY Retained Accessory Power Relay
LOCK Power Door Locks
DRV UNLOCK Power Door Lock Relay
LOCK Power Door Lock Relay
HVAC 1 Climate Control System
CRUISE Cruise Control, Instrument Cluster
IGN 3 Ignition, Power Seats
4WD Four-Wheel Drive System, Auxiliary Battery
CRANK Starting System
INT PRK Parking Lamps, Sidemarker Lamps, Interior Lamps
L DOOR Power Door Lock Relay
BRAKE Anti-Lock Brake System
RR WIPER Rear Window Wiper
ILLUM Interior Lamps
SEAT Power Seat Circuit Breaker
TURN Exterior Lamps, Turn Signals, Hazard Lamps
UNLOCK Power Door Locks
HTR A/C Climate Control System
WS WPR Windshield Wipers
IGN 1 Ignition, Instrument Panel
AIR BAG Air Bag
MIR/LOCK Power Mirrors, Power Door Locks
DR LOCK Power Door Locks
PWR WDO Power Window Circuit Breaker
UNLOCK Power Door Lock Relay
IGN 0 PRND321 Display, Odometer, VCM/PCM
SEO IGN Special Equipment Option, Ignition
SEO ACCY Special Equipment Option Accessory, Cellular Telephone
RAP#1 Retained Accessory Power Relay
RDO 1 Audio System
RAP #2 Rear Power Windows, Sunroof, Radio
Center instrument panel relay box

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

Center instrument panel relay box (2000-2002)

Relay Name Circuit protected
SEO Special Equipment Option
HTD ST Heated Seats
HDLNR Headliner (2001-2002)
VANITY Headliner Wiring
TRAILER Trailer Brake Wiring
PWR ST Power Seats
Y9 Not Used
UPF Upfitter
PARK LAMP Parking Lamps
FRT PRK EXPT Not Used
SPARE 2 Not Used
PUDDLE LP Not Used / Puddle Lamps (2002)
SL RIDE Not Used
SPARE 3 Not Used
INADAV PWR Interior Lights Feed
CTSY LP Courtesy Lamps
CEL PHONE Cellular Telephone Wiring
Engine Compartment

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

Assignment of the fuses and relay in the Engine Compartment (2000-2002)

Name Circuit protected
STUD #1 Accessory Power/Trailer Wiring Feed/Load Leveling
ABS Anti-Lock Brakes
IGN A Ignition Switch
AIR A.I.R. System
RAP #1 Retained Accessory Power, Power Mirrors, Power Door Locks, Power Seat(s)
IGN B Ignition Switch
RAP #2 Retained Accessory Power/Rear Power Windows, Sunroof, Radio
STUD #2 Accessory Power/Trailer Wiring Brake Feed
TRL R TRN Right Turn Signal Trailer Wiring
TRL L TRN Left Turn Signal Trailer Wiring
IGN 1 Ignition, Fuel Controls
INJ B Ignition, Fuel Controls (Relay)
STARTER Starter (Relay)
PARK LP Parking Lamps
FRT HVAC Climate Control System
STOP LP Exterior Lamps, Stoplamps
ECM 1 PCM
CHMSL Center High Mounted Stoplamp
VEH STOP Stoplamps, Cruise Control
TRL B/U Backup Lamps Trailer Wiring
INJ A Fuel Controls, Ignition
RR HVAC Rear HVAC
VEH B/U Vehicle Backup Lamps
ENG 1 Engine Controls, Canister Purge, Fuel System
ETC Electronic Throttle Control
IGN E A/C Compressor Relay, Rear Window Defogger, Daytime Running Lamps, A.I.R. System
B/U LP Backup Lamps, Automatic Transmission Shift Lock Control System
ATC Automatic Transfer Case
RR DEFOG Rear Window Defogger, Heated Mirrors (Relay)
RTD Autoride (Real Time Damping)
RR PRK Right Rear Parking Lamps
ECM B PCM
F/PMP Fuel Pump (Relay)
O2 A Oxygen Sensors
O2 B Oxygen Sensors
LR PRK Left Rear Parking Lamps
RR DEFOG Rear Window Defogger, Heated Mirrors
HDLP Headlamps (Relay)
TRL PRK Parking Lamps Trailer Wiring
PRIME Not Used
RT HDLP Right Headlamps
DRL Daytime Running Lamps (Relay)
HTD MIR Heated Mirrors
LT HDLP Left Headlamps
A/C Air Conditioning
AUX PWR Cigarette Lighter, Auxiliary Power Outlets
SEO 2 Special Equipment Option Power, Power Seats, Aux Roof Mnt Lamp
SEO 1 Special Equipment Option Power, Aux Roof Mnt Lamp, Cell Phone, Onstar
DRL Daytime Running Lamps
A/C A/C (Relay)
FOG LP Fog Lamps
FOG LP Fog Lamps (Relay)
RADIO Audio System, Instrument Cluster, Climate Control System
CIGAR Cigarette Lighter, Auxiliary Power Outlets
RT TURN Right Turn Signals
BTSI Automatic Transmission Shift Lock Control System
LT TURN Left Turn Signals
FR PRK Front Parking Lamps, Sidemarker Lamps
W/W PMP Windshield Washer Pump
HORN Horn (Relay)
IGN C Ignition Switch, Fuel Pump, PRND321 Display, Crank
RDO AMP Radio Amplifier
HAZ LP Exterior Lamps, Hazard Lamps
EXP LPS Not Used
HORN Horn
CTSY LP Interior Lamps
RR WPR Rear Wipers
TBC Body Control Module, Remote Keyless Entry, Headlamps

2003, 2004, 2005

Instrument Panel

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

Assignment of the fuses in the Instrument Panel (2003-2005)

Name 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, Auxiliary Battery
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 (Drive’s Door Unlock Function)
IGN 0 PCM, TCM
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 Harmess Connector
DDM Driver Door Module
AUX PWR 2 Rear Cargo Area Power Outlet
LOCKS Power Door Lock System
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 relay box

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

Center instrument panel relay box (2003-2006)

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
HDLNR 1 Headliner Wiring Connector 1
SPARE RELAY Not Used
CB SEAT Driver and Passenger Seat Module Circuit Breaker
CB RT DOOR Right Power Window Circuit Breaker
SPARE Not Used
INFO Infotainment Harness Connection
Engine Compartment

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

Assignment of the fuses and relay in the Engine Compartment (2003-2005)

Name Usage
GLOW PLUG Not Used
CUST FEED Gasoline Accessory Power
HYBRID Hybrid
STUD #1 Auxiliary Power (Single Battery and Diesels Only)/Dual Battery (TP2) Do not install fuse.
MBEC Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors
BLOWER Front Climate Control Fan
LBEC 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 Iqnition Power
IGN B Iqnition Power
LBEC 1 Left Bussed Electrical Center, Left Door, 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
STARTER Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATT Truck Body Controller Battery Feed
SUNROOF Sunroof
SEO B2 Off-Road Lamps
4WS Vent Solenoid Canister/QUADRASTEER Module Power
RR HVAC Rear Climate Control
AUX HVAC Auxiliary Power Outlet – Console
IGN 1 Ignition Relay
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
RTD Ride Control
TRL B/U Backup Lamps Trailer Wiring
PCM B Powertrain Control Module, Fuel Pump
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 High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
IPC/DIC Instrument Panel Cluster/Driver Information Center
HVAC/ECAS Climate Control Controller
CIG LTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air conditioning Compressor
A/C COMP Air conditioning Compressor Relay
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 Fog lamp Relay
FOG LP Fog Lamp
HORN Horn Fuse
HORN Horn Relay
W/S WASH Windshield and Rear Window Washer Pump Relay
W/S WASH Windshield and Rear Window Washer Pump
INFO OnStar/Rear Seat Entertainment
RADIO AMP Radio Amplifier
RH HID Not Used
EAP Electric Adjustable Pedals
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist
INJ 2/15A Fuel Injection Rail #2
INJ 1/15A Fuel Injection Rail #1
02A/15A Oxygen Sensors
02B/15A Oxygen Sensors
IGN 1 Ignition 1
ECMRPV/15A Engine Control Module
FUEL HT/15A Fuel Heater
ECM I/15A Engine Control Module
Auxiliary Electric Cooling Fan Fuse Block

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

Fuses Usage
COOL/FAN Cooling Fan
COOL/FAN Cooling Fan Relay Fuse
COOL/FAN Cooling Fan Fuse
Relays
COOL/FAN 1 Cooling Fan Relay 1
COOL/FAN 2 Cooling Fan Relay 3
COOL/FAN 3 Cooling Fan Relay 2

2006

Instrument Panel

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

Assignment of the fuses in the Instrument Panel (2006)

Name Usage
RR WPR 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, Auxiliary Battery
HTR A/C Climate Control System
LCK Power Door Lock Relay (Lock Function)
HVAC 1 Inside Rearview Mirror, Climate Control System
L DR 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 UNLCK Power Door Lock Relay (Drive’s Door Unlock Function)
IGN 0 PCM, TCM
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 Harmess Connector
DDM Driver Door Module
AUX PWR 2, M/GATE Rear Cargo Area Power Outlet
LCKS Power Door Lock System
TBC 2C Truck Body Controller
HAZARD Flasher Module
CB LT DOORS Left Power Window Circuit Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller
Center instrument panel relay box

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

Center instrument panel relay box (2003-2006)

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
HDLNR 1 Headliner Wiring Connector 1
SPARE RELAY Not Used
CB SEAT Driver and Passenger Seat Module Circuit Breaker
CB RT DOOR Right Power Window Circuit Breaker
SPARE Not Used
INFO Infotainment Harness Connection
Engine Compartment

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

Assignment of the fuses and relay in the Engine Compartment (2006)

Name Usage
GLOW PLUG Not Used
CUST FEED Gasoline Accessory Power
HYBRID Hybrid
STUD #1 Auxiliary Power (Single Battery and Diesels Only)/Dual Battery (TP2) Do not install fuse.
MBEC Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors
BLWER Front Climate Control Fan
LBEC 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 Iqnition Power
IGN B Iqnition Power
LBEC 1 Left Bussed Electrical Center, Left Door, 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
SEO B2 Off-Road Lamps
4WS Not Used
AUX HVAC Auxiliary Power Outlet – Console
IGN 1 Ignition Relay
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
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 High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
IPC/DIC Instrument Panel Cluster/Driver Information Center
HVAC/ECAS Climate Control Controller
CIG LTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air conditioning Compressor
A/C COMP Air conditioning Compressor Relay
TCMB Transmission Control Module
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
CRNK Starting System
LO HDLP-RT Passenger’s Side Headlamp Low Beam
FOG LP Fog lamp Relay
FOG LP Fog Lamps
HORN Horn Relay
W/S WASH Windshield and Rear Window Washer Pump Relay
W/S WASH Windshield and Rear Window Washer Pump
INFO OnStar/Rear Seat Entertainment
RADIO AMP Radio Amplifier
RH HID Not Used
EAP Electric Adjustable Pedals
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist
INJ2 Fuel Injection Rail #2
INJ 1 Fuel Injection Rail #1
02A Oxygen Sensors
02B Oxygen Sensors
IGN 1 Ignition 1
PCM B Powertrain Control Module, Fuel Pump
SBA Supplemental Brake Assist
ECM Engine Control Module
ACTUATOR Actuator
FUEL HTR Fuel Heater
ECM 1 Engine Control Module 1
ECM Engine Control Module
ECM B Engine Control Module B
RR HVAC Rear Climate Control
S/ROOF Sunroof
Auxiliary Electric Cooling Fan Fuse Block

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

Fuses Usage
COOL/FAN Cooling Fan
COOL/FAN Cooling Fan Relay Fuse
COOL/FAN Cooling Fan Fuse
Relays
COOL/FAN 1 Cooling Fan Relay 1
COOL/FAN 2 Cooling Fan Relay 3
COOL/FAN 3 Cooling Fan Relay 2

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