My Blog


Chevrolet Tahoe (2005) – fuse box diagram


Chevrolet Tahoe (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.

Chevrolet Tahoe - fuse box - instrument panel fuse block
Chevrolet Tahoe – fuse box – instrument panel fuse block

FusesUsage
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

Center Instrument Panel Utility Block

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

Chevrolet Tahoe - fuse box - center instrument panel
Chevrolet Tahoe – fuse box – center instrument panel

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

Underhood Electrical Center

The underhood electrical center is located on the driver’s side of the engine compartment near the battery.

Chevrolet Tahoe - fuse box - engine compartment
Chevrolet Tahoe – fuse box – engine compartment

*1 –  Gasoline Engine and Fuel Injection Rail #2

*2 –  Gasoline Engine and Fuel Injection Rail #1

*3 –  Gasoline Engine; Oxygen Sensor

*4 –  Gasoline Engine; Oxygen Sensor

*5 –  PCM Ignition

FusesUsage
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

Auxiliary Electric Cooling Fan Fuse Block

Chevrolet Tahoe - fuse box - auxiliary electric cooling fan fuse block
Chevrolet Tahoe – fuse box – auxiliary electric cooling fan fuse block

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

 

 WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.