Chevrolet Silverado I - Fuse box

Years of production: 1999 2000 2001 2002 2003 2004 2005 2006 2007

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Instrument Panel Fuse Block

4 months ago by t0z
Chevrolet Silverado I Fuse box - instrument panel fuse block

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. You can remove fuses with a fuse extractor which is mounted to the fuse block access door.

To remove fuses if you don’t have a fuse extractor, hold the end of the fuse between your thumb and index finger and pull straight out. You may have spare fuses located behind the fuse block access door. These can be used to replace a bad fuse. However, make sure it is of the correct amperage.

NAMEUsage
L BODYRetained Accessory Power Relay
LOCK PowerDoor 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 WIPERNot Used
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, Manual Selectable Ride
SEO ACCYSpecial Equipment Option Accessory, Cellular Telephone
RAP #1Retained Accessory Power Relay
RDO 1Audio System
RAP #2Not Used

Center Instrument Panel Utility Block

4 months ago by t0z
Chevrolet Silverado I Fuse box - center instrument panel utility block

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

Relay NameUsage
SEOSpecial Equipment Option
HTD STHeated Seats
SPARE 4Not Used
VANITYHeadliner Wiring
TRAILERTrailer Brake Wiring
PWR STPower Seats
SPARE 5Not Used
CLUTCHManual Transmission Clutch Switch
UPFUpfitter
PARK LAMPParking Lamps
FRT PRK EXPTNot Used
SL RIDEManual Selectable Ride Switch
SPARE 2Not Used
RR PRK LPNot Used
RR FOG LPNot Used
SPARE 3Not Used
INAV PWRInterior Lights Feed
CTSY LPCourtesy Lamps
CEL PHONECellular Telephone Wiring

Underhood Electrical Center

4 months ago by t0z
Chevrolet Silverado I Fuse box - underhood electrical center

The underhood electrical center is located on the driver’s side of the engine compartment near the battery. Lift the cover for access to the fuse/relay block. You can remove fuses with a fuse extractor. The fuse extractor is located in the underhood electrical center. To remove fuses if you don’t have a fuse extractor, hold the end of the fuse between your thumb and index finger and pull straight out.

NameUsage
STUD #1Accessory Power/Trailer Wiring Feed
ABSAnti-Lock Brakes
IGNA Ignition Switch
AIRA.I.R. System
RAP #1Retained Accessory Power, Power Mirrors, Power Door Locks, Power Seat(s)
IGN BIgnition Switch
RAP #2Not Used
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 1VCM/PCM
CHMSLCenter High Mounted Stoplamp
VEH STOPStoplamps, Cruise Control
TRL B/UBackup Lamps Trailer Wiring
INJ AFuel Controls, Ignition
RR HVACNot Used
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)
RR PRKRight Rear Parking Lamps
ECM BVCM/PCM
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
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
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 AMPNot Used
HAZ LPExterior Lamps, Hazard Lamps
EXP LPSNot Used
HORNHorn
CTSYLP Interior Lamps
RR WPRNot Used
TBCBody Control Module, Remote Keyless Entry, Headlamps

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