Where are the Fuse Boxes located in the 2006 Chevrolet Silverado?

2006 Chevrolet Silverado has 3 main boxes with fuses and relays. One is in the cabin (Passenger Compartment), one in the central console (Center Panel) and another is under the hood (Engine Compartment).

2006 Chevrolet Silverado Under Dash Fuse Box and Relay Location 

The auxiliary fuse box (If equipped) is located next to the interior fuse box. To open the lid, pull the tab in the direction as shown in the illustration.

The fuse block access door is on the driver’s side edge of the instrument panel. Pull off the cover to access the fuse block.

2006 Chevrolet Silverado Under Hood Fuse Box and Relay location

The under hood fuse block in the engine compartment on the driver’s side of the vehicle near the battery. Lift the cover for access to the fuse relay block.

2006 Chevrolet Silverado under Dash Fuse Box Layout

2006 Chevrolet Silverado under Dash Fuse Box and Relay Details

Assignment of the fuses in the Passenger Compartment

NameUsage
RR WPRNot Used
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
LOCK (Relay)Power Door Lock Relay (Lock Function)
HVAC 1Climate Control System
LT DRDriver’s Door Harness Connection
CRUISECruise Control, Power Take Off (PTO)
UNLCK (Relay)Power Door Lock Relay (Unlock Function)
RR FOG LPNot Used
BRAKEAnti-Lock Brake System
DRIVER UNLCKPower Door Lock Relay (Driver’s Door Unlock Function)
IGN 0TCM
TBC IGN 0Truck Body Controller
VEH CHMSLVehicle and Trailer High Mounted Stoplamp
LT TRLR ST/TRNLeft Turn Signal/Stop Trailer
LT TRNLeftTurn Signals and Sidemarkers
VEH STOPVehicle Stoplamps, Brake Module, Electronic Throttle Control Module
RT TRLR ST/TRNRight Turn Signal/Stop Trailer
RT TRNRiahtTurn Signals and Sidemarkers
BODYHarness Connector
DDMDriver Door Module
AUX PWR 2, M/GATENot Used
LCKSPower Door Lock System
ECC, TPMTire Pressure Monitoring System
TBC 2CTruck Body Controller
HAZRDFlasher Module
CB LT DRSLeft Power Windows Circuit Breaker
TBC 2BTruck Body Controller
TBC 2ATruck Body Controller

2006 Chevrolet Silverado Center Panel Fuse Box Layout

2006 Chevrolet Silverado Centre Panel Fuse Box and Relay Details

DeviceUsage
SEOSpecial Equipment Option
TRAILERTrailer Brake Wiring
UPFITUpfitter (Not Used)
SL RIDERide Control Harness Connection
HDLR 2Headliner Wiring Connector
BODYBody Wiring Connector
DEFOGRear Defogger Relay
HDLNR 1Headliner Wiring Connector 1
SPARE RELAYNot Used
CB SEATDriver and Passenger Seat Module Circuit Breaker
CB RT DOORRight Power Windows Circuit Breaker
SPARENot Used
INFOInfotainment Harness Connection

2006 Chevrolet Silverado Under Hood Fuse Box Layout

2006 Chevrolet Silverado under Hood Fuse Box and Relay Details

Assignment of the fuses in the Engine Compartment

NameUsage
GLOW PLUGDiesel Glow Plugs and Intake Air Heater
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
BLWRFront 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 AIgnition Power
IGN BIgnition Power
LBEC 1Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module
TRLPARKParking 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 PWRAuxiliary Power Outlet – Console
PCM 1Powertrain Control Module
ETC/ECMElectronic Throttle Control, Electronic Brake Controller-Gasoline Engine, Fan Clutch-Diesel Engines
IGN EInstrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay
RTDRide Control
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 ln-atable 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
RVCRegulated Voltage Control
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 Relay
A/C COMPAir Conditioning Compressor
TCMBTransmission Control Module
RR WPRNot Used
RADIOAudio System
SEO B1Mid Bussed Electrical Center, Rear Heated Seats, Universal Home Remote System
LO HDLP-LTHeadlamp Low Beam-Left
BTSIBrake Transmission Shift Interlock System
CRNKStarting System
LO HDLP-RTHeadlamp Low Beam-Right
FOG LPFog Lamps Relay
FOG LPFog Lamps
HORNHorn Relay
W/S WASHWindshield Washer Pump Relay
W/S WASHWindshield Washer Pump
INFOOnStar/Rear Seat Entertainment
RADIO AMPRadio Amplifer
RH HIDNot Used
HORNHorn
EAPNot Used
TRECNot Used
INJ2Fuel Injection Rail #2
INJ 1Fuel Injection Rail #1
02AOxygen Sensors
02BOxygen Sensors
IGN 1Ignition 1
PCM BPowertrain Control Module B
SBASupplemental Brake Assist
ECMEngine Control Module
ACTUATORActuator
FUEL HTRFuel Heater
ECM 1Engine Control Module 1
ECMEngine Control Module
ECM BEngine Control Module B
EV FANElectronic Viscous Fan
RR HVACRear Climate Control
S/ROOFSunroof

Auxiliary Electric Cooling Fan Fuse Block

FusesUsage
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

WARNING: The terminal and harness assignments for individual connectors may vary depending on the vehicle’s equipment level, model, and market. It is recommended to refer to the fuse box diagram provided at the back of the fuse box cover for accurate information.

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