This article provides fuse box diagrams for the 2000-2006 Chevrolet Suburban and Tahoe (GMT800). It shows where the fuse panels are located in the vehicle and explains what each fuse and relay is assigned to.
Table of Contents
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.
[2000/2001/2002]
Engine Compartment
| 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 |
Instrument panel
| 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
| 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 |
[2003/2004/2005]
Engine Compartment
| 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 | 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 |
Instrument Panel
| 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
| 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 |
[2006]
Engine Compartment
| 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 | 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 |
Instrument Panel
| 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
| 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 |
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Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.