Fuses and relay Chevrolet Silverado 1999-2007

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For Chevrolet Silverado (GMT800) first generation 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007 model year.

Chevrolet Silverado 1500, Chevrolet Silverado 2500.

Cigarette lighter fuse – (fuse box in engine compartment, fuse №46/15A – CIGAR Fuse (1999-2002)

Cigarette lighter fuse – (fuse box in engine compartment, fuse 15A – CIG LTR Fuse (2003-2007)

Auxiliary Power Outlets Fuse №40/20A – AUX PWR in engine compartment (1999-2002)

Accessory Power Outlets, Auxiliary Power Outlets – fuse AUX PWR Fuse 20A in engine compartment (2003-2007)

MENU

Fuse box in engine compartment

Fuse box in passenger compartment

 

Fuse box in engine compartment.

fuse box location.

The underhood 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.

fuse box diagram 1999.

Assignment of the fuses (1999).

Fuse/Circuit BreakerRatingDescription
STUD 1 Fuse #140ATrailer Wiring
ABS Fuse #260ABrake Pressure Modulator Valve (Pump)
IGN A Fuse #340AStarter Relay, Ignition Switch-IGN 1, TURN. SEO IGN Fuses
AIR Fuse #4Э0АSecondary Air Injection Reaction Pump
RAP Fuse #S50ABap Relay, MIR/LOCK DR l.OCK Fuses and SEATS Circuit Breaker
IGN В Fuse #650AIgnition Switch-Rap Relay, Wiper/Washer and SEO ACCY Fuses
RAP 2 Fuse #7–Not Used
STUD 2 Fuse #830ABody Wiring Provisions, Trailer Wiring
TRLR TRN910ATrailer Turn and Stop
TRL LTRN Fuse #1010ATrailer Turn
INJ В Fuse #1115AFuel Injectors 2, 4, 6, and 8, Ignition Coils, Engine Shutoff Solenoid and Sensor-Diesel
PARK LP Fuse #1230APark Lamp Relay, Headlamp and Panel Dimmer Switch-Park Lamps
FRT HVAC Fuse #1330ABlower Motor (High Speed)
STOP LPS Fuse #1420AVEH STOP and CHMSL Fuses, Trailer Wiring (LH, RH Turn and Stop Lamp)
ЕСИ 1 Fuse #1510AVehicle Control Module (VCM)Z Powertrain Control Module (PCM)- (from IGN 1 Relay)
CHMSL Fuse #1610ACenter High Mounted Stop Lamp
VEH STOP Fuse #1710AVehicle Stop Lamps
TRL B/U Fuse #1910ATrailer Backup Lamps
inja Fuse #2015AFuel injectors 1, 3, 5, and 7, Ignition Coils, Glow Plug Module, Fuel Heat, Water in Fuel (WIF) Sensor, Wastegate Solenoid
RR HVAC Fuse #21—Not Used
VEH B/U Fuse #2215AVehicle Backup Lamps
ENG 1 Fuse #2310AMass Air Flow (MAF) Sensor, Camshatt Position (CMP) Sensor, Evaporator Emission (EVAP) Canister Vent Valve, Evaporative Emission (EVAP) С Purge Valve
ETC Fuse #24—Not Used
1GN E Fuse #2510AA/С Compressor Clutch Relay, DRL Relay, Rear Defog Relay. Secondary Injection Reaction Pump Relay
B/U LP Fuse #2625ABackup Lamps, BTSi
АТС Fuse #2720AAutomatic Transfer Case (АТС) Control Module, Encoder Motor
RR PRK Fuse #2810ARR Park Lamps
ECM В Fuse #2920AFuel Pump Relay, Vehicle Control Module (VCM)/Powertrain Control Module (PCM)
02 A Fuse #3015AHeated Oxygen Sensors
02 В Fuse #3115AHeated Oxygen Sensors
LR PRK Fuse #3210ALR Park Lamps
RR DEFOG Fuse #3330ARear Window Defogger
TRL PRK Fuse #3415ATrailer Park
PRIME #35—Fuel Pump Prime Port
RT HDLP Fuse #3615ARH Headlamps (Hi and Lew)
HTD MIR Fuse #3710AHeated Outside Mirrors
LT HDLP Fuse #3816ALH Headlamps {Hi and Low)
A/С Fuse #3910AA/С Compressor Clutch
AUX PWR Fuse #4020AAuxiliary Power Outlets
SEO 2 Fuse #413GARoof Beacon and Relay, Full Feature Seat – LH and RH
SEO 1 Fuse #4215ARool Beacon Switch, Cellular Phone Wiring Provisions
DRL Fuse #4310ADaytime Running Lamps (DRL)
FOG LPS Fuse #4415AFog Lamps
RADIO Fuse #4515ARadio and Instrument Cluster
CIGAR Fuse #4615AData Link Connector, Cigar Lighter
RT TURN Fuse #4710ARH Turn Signals
BTSI Fuse #4610ABrake Transmission Shift Interlock
LT TURN Fuse #4910ALH Turn Signals
FR PRK Fuse #5010AFront Park Lamps
W/W Pump Fuss #5115AWindsheiid Washer Pump
IGN С Fuse #5220AIgnition Switch, Crank, IGN 0 Fuses
RDO AMP Fuse #53—Not Used
HAZ LP Fuse #5420AHazard Lamps
EXP LPS Fuse #5510ANot Used
HORN Fuse #5615AHorn/Horn Relay
CTSY LP Fuse #5715AInadvertent Power Relay (Courtesy Lamps)
RR WPR Fuse #58—Not Used
TBC Fuse #5910ABody Control Module

fuse box diagram 2000-2002.

Assignment of the fuses (2000-2002).

Fuse/Circuit BreakerRatingDescription
STUD 1 Fuse #140ATrailer Wiring / Automatic Level Control Compressor
ABS Fuse #260ABrake Pressure Modulator Valve (Pump)
IGN A Fuse #340AStarter Relay, Ignition Switch-IGN 1, TURN, SEO IGN Fuses
AIR Fuse #430ASecondary Air Injection Reaction Pump
RAP Fuse #550ARap Relay, MIR/LOCK DR LOCK Fuses and SEATS Circuit Breaker
IGN В Fuse #650AIgnition Switch-Rap Reiay, Wiper/Washer and SEO ACCY Fuses
RAP 2 Fuse #750APower Window RF switch, Power Window RR Switch, Power Sunroof
STUD 2 Fuse #830ABody Wiring Provisions, Trailer Wiring
TRLRTRN910ATrailer Turn and Stop
TRL L TRN Fuse #1010ATrailer Turn
INJ В Fuse #1115AFuel Injectors 2, 4. 6, and 8, Ignition Coils, Engine Shutofl Solenoid and Sensor-Diesel
PARK LP Fuse #1230APark Lamp Relay, Headlamp and Panel Dimmer Switch-Park Lamps
FRT HVAC Fuse #1330ABlower Motor (High Speed)
STOP LPS Fuse #1420AVEH STOP and CHMSL Fuses, Trailer Winng (LH, RH Turn and Stop Lamp)
ECM 1 Fuse #1510AVehicle Control Module (VCM)/Powertrain Control Module (PCM)- (from IGN 1 Relay)
CHMSL Fuse #1610ACenter High Mounted Stop Lamp
VEH STOP Fuse #1710AVehicle Stop Lamps
TRL B/U Fuse #1910ATrailer Backup Lamps
INJA Fuse #2015AFuel Injectors 1, 3, 5, and 7, Ignition Coils, Glow Plug Module, Fuel Heat, Water in Fuel (WIF) Sensor, Wastegate Solenoid
RR HVAC Fuse #2130ARear Heater, Rear Blower Relays
VEH B/U Fuse #2215AVehicle Backup Lamps
ENG 1 Fuss #2310AMass Air Flow (MAF) Sensor, Camshaft Position (CMP) Sensor, Evaporator Emission (EVAP) Canister Verst Valve, Evaporative Emission {EVAP} С Purge Vaive
ETC Fuse #2415AElectronic Throttle Control (ETC)
IGN E Fuse #2510AA/С Compressor Clutch Relay, DRL ReSay, Rear Defog Relay, Secondary Injection Reaction Pump Relay
B/U LP Fuse #2625ABackup Lamps, BTSI
АТС Fuse #2720AAutomatic Transfer Case (АТС) Control Module, Encoder Motor
RTD Fuse #2830AReal Time Damping (RTD)
RR PRK Fuse #2910ARR Park Lamps
ECM В Fuse #3020AFuel Pump Relay, Vehicle Control Module (VCM)/Powertrain Control Module (PCM)
02 A Fuse #3115AHeated Oxygen Sensors
02 В Fuse #3215AHeated Oxygen Sensors
LR PRK Fuse #3310ALR Park Lamps
RR DEFOG Fuse #3430ARear Window Defogger
TRL PRK Fuse #3515ATrailer Park
PRIME #36—Fuel Pump Prime Port
RT HDLP Fuse #3715ARH Headlamps (Hi and Low)
HTD MIR Fuse #3810AHeated Outside Mirrors
LT HDLP Fuse «3915ALH Headlamps (Hi and Low)
A/С Fuse #4010AA/С Compressor Clutch
AUX PWR Fuse #4120AAuxiliary Power Outlets
SEO 2 Fuse #4230ARoof Beacon and Relay, Full Feature Seat – LH and RH
SEO 1 Fuse #4315ARoof Beacon Switch, Cellular Phone Wiring Provisions
DRL Fuse #44′10ADaytime Running Lamps (DRL)
FOG LPS Fuse #4515AFog Lamps
RADIO Fuse #4615ARadio and Instrument Cluster
CIGAR Fuse #4715AData Link Connector, Cigar Lighter
RT TURN Fuse #4810ARH Turn Signals
ATSLC Fuse #4910AAutomatic Transmission Shift Lock Control Solenoid
LT TURN Fuse #5010ALH Turn Signals
FR PRK Fuse #5110AFront Park Lamps
W/W Pump Fuse #5215AWindsheild Washer Pump
IGN С Fuse #5320AIgnition Switch, Crank, IGN 0 Fuses
RDO AMP Fuse #5425ARadio/Audio Systems Amplifier
HAZ LP Fuse #5520AHazard Lamps
EXP LPS Fuse #5610ANot Used –
HORN Fuse #5715AHorn/Horn Relay
CTSY LP Fuse #5815AInadvertent Power Relay (Courtesy Lamps)
RR WPR Fuse #5925ARR Wiper Washer, RR Wiper Motor
TBC Fuse #6010ABody Control Module

fuse box diagram (2003-2007).

legend.

DeviceRatingDescription
STUD 1 Fuse–Trailer Wiring, Auxiliary Battery Relay and Battery Right (TP2), AUX HTR PMP Fuse (HP2), ESCM Fuse (HP2), HCM-B Fuse (HP2) and TRANS PUMP Fuse (HP2)
MBEC 1 Fuse50ASEAT CB, RT DOOR CB
BLWR Fuse40ABlower Motor
LBEC 2 Fuse50ALOCKS Fuse, DDM Fuse, PDM Fuse, ECC Fuse, AUX PWR 2 Fuse
STUD 2 Fuse30ATrailer Wiring, Emergency Vehicle Roof Lamp Relay
ABS Fuse60AElectronic Brake Control Module (EBCM)
VSES/ECAS Fuse60AElectronic Brake Control Module (EBCM)
IGN A Fuse40AIgnition Switch RUN, START, RUN/START/ACCY, STARTER Relay
IGN B Fuse40AIgnition Switch RUN/ACC, RUN/START
LBEC 1 Fuse50AFLASH Fuse, TBC 2A Fuse, TBC 2B Fuse, TBC 2C Fuse, LT DOORS Fuse
TRL PARK Fuse15ATrailer Wiring
RR PARK Fuse10AExterior Lamps-Right Rear, Clearance Lamps-Right
LR PARK Fuse10AExterior Lamps-Left Rear, Clearance Lamps-Left
PARK LP Relay–TRL PARK Fuse, LR PARK Fuse, RR PARK Fuse, FRT PARK Fuse, INT PARK Fuse DRL Relay (Export)
STRTR Relay–Starter
INTPARK Fuse10APower Take-Off (PTO) Switch, Inflatable Restraint I/P Module Disable Switch
STOP LP Fuse25AStop Lamp Switch
TBC BATT Fuse10ABody Control Module (BCM), PASS-Key Module
S/ROOF Fuse25ASunroof Module Control
SEO B2 Fuse30ARoof Beacon Relay
4WS Fuse15ARear Wheel Steering Control Module, Evaporative Emission (EVAP) Canister Vent Solenoid
RR HVAC30ARear Auxiliary
AUX PWR Fuse20AAccessory Power Outlets, Auxiliary Power Outlets
PCM 1 Fuse15APowertrain Control Module (PCM), Mass Air Flow (MAF) Sensor, Evaporative Emission (EVAP) Canister Purge Solenoid, Fuel Composition Sensor, Secondary Fuel Pump Relay
ETC/ECM Fuse15AThrottle Actuator Control (TAC)
INJ 1 Fuse (Gas)/ECMRPCV Fuse (Diesel) #215AFuel Injectors-Odd-Numbered, Ignition Coils-Odd- Numbered (Gas)
15AEngine Control Module (ECM) (Diesel)
INJ 2 Fuse (Gas)/EDU Fuse (Diesel) #115AFuel Injectors-Even-Numbered, Ignition Coils- Even-Numbered (Gas)
25AFuel Injector Control Module (FICM) (Diesel)
LO HDLP-LT Fuse10AHeadlamp-Low Beam-Left
BTSI Fuse10AStop Lamp Switch
CRNK Fuse10APowertrain Control Module (PCM)-Gas, Engine Control Module (ECM)-Diesel
LO HDLP-RT Fuse25AHeadlamp-Low Beam-Right
FOG LP Relay–Fog Lamp-RF, Fog Lamp-LF
FOG LP Fuse15AFOG LP Relay
HORN Relay–HORN Fuse
W/S WASH Relay–Windshield Washer Fluid Pump
W/S WASH Fuse15AW/S WASH Relay
INFO Fuse15AVehicle Communication Interface Module (VCIM), Rear Seat Entertainment (RSE) Assembly, Remote Playback Device-CD Player
RADIO AMP Fuse30AAudio Amplifier
RH HID Fuse20ANot Used
HORN Fuse15AHorn-Left, Horn-Right
EAP Fuse15ANot Used
TREC Fuse30ATransfer Case Encoder Motor, Transfer Case Shift Control Module
SBA Fuse15ASupplemental Brake Assist (SBA)
IGN E Fuse10AA/C COMP Relay, Park/Neutral Position (PNP) Switch, Turn Signal/Multifunction Switch, Headlamp Leveling Components, Clutch Start Switch
IGN 1 Relay (Gas)/EDU Relay (Diesel) #5–SBA Fuse, ETC/ECM Fuse, PCM 1 Fuse, INJ 1 Fuse, INJ 2 Fuse
–ECMRPCV Fuse, EDU Fuse (Diesel)
RTD Fuse30ANot Used
TRL B/U Fuse10ABody Control Module (BCM), Trailer Wiring, Back-Up Alarm
PCM B Fuse20APowertrain Control Module, F/PMP Relay
F/PMP Relay–Fuel Pump
O2 A Fuse (Gas)/FUEL HT Fuse (Diesel) #315AHeated Oxygen Sensors-Upstream (Gas)
15AFuel Heater, Glow Plug Controller, Intake Air (IA) Heater Relay, EGR System Components (Diesel)
B/U LP Fuse20APark/Neutral Position (PNP) Switch
RR DEFOG Fuse30ADEFOG Relay
HDLP-HI Relay–HI HDLP-LT Fuse, HI HDLP-RT Fuse
O2 B Fuse (Gas)/EMCI Fuse (Diesel) #415AHeated Oxygen Sensors-Downstream (Gas)
15AIAT/MAF Sensor, Engine Control Module (ECM) (Diesel)
AIRBAG Fuse15AInflatable Restraint Sensing and Diagnostic Module (SDM), Memory Seat Module-Passenger, Inside Rearview Mirror
FRT PARK Fuse10APark/Turn Signal Lamps-Front, Marker Lamps- Front
DRL Relay–DRL Lamp-LT, DRL Lamp-RT (Domestic)/DRL Fuse, FRT PARK Fuse (Export)
SEO IGN Fuse10ADEFOG Relay, Instrument Panel Cluster (IPC)
TBC IGN 1 Fuse10ABody Control Module (BCM)
HI HDLP-LT Fuse10AHeadlamp-High Beam-Left
LH HID Fuse20AHigh Intensity Discharge Lamps
DRL Fuse10ADRL Relay (Domestic)/Daytime Running Lamps (Export)
RVC Fuse10AGenerator Battery Control Module
IPC/DIC Fuse10AInstrument Panel Cluster (IPC)
HVAC/ECAS Fuse10AHVAC Control Module
CIG LTR Fuse15ACigar Lighter, Data Link Connector (DLC)
HI HDLP RT Fuse10AHighbeam Headlamp-Right
HDLP-LOW Relay–LO HDLP-LT Fuse, LO HDLP-RT Fuse
A/C COMP Relay–A/C Compressor Clutch
A/C COMP Fuse10AA/C Compressor Clutch Relay
RR WPR25ANot Used
RADIO Fuse15ARadio, Rear Seat Audio (RSA)
SEO B1 Fuse15AInstrument Panel Cluster (IPC), Rear Fog Lamp Relay, Overhead Console, Roof Beacon Switch

 

Underhood colling fan fuse block is located on left side of engine compartment to the rear  of the battery.

Device

Rating

Description

Cool/Fan Fuse

40A

Cool/Fan 1 Relay

Cool/Fan Fuse

40A

Cool/Fan 2 Relay

Cool/Fan Fuse

10A

Cool/Fan 3 Relay

Cool/Fan 1 Relay

–

Cooling Fan – Left

Cool/Fan 2 Relay

–

Cooling Fan – Left and Right High Speed

Cool/Fan 3 Relay

–

Cooling Fan – Left and Right Low Speed

 

Fuse box in passenger compartment Chevrolet Silverado.

fuse box location.

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.

fuse box diagram (1999-2002).

reverse

Assignment of the fuses (1999-2002).

Fuse/Circuit BreakerRatingDescription
HVAC 1 Fuse #110AHVAC Control Module, Mode Door Motors/Actuators
IGN 3 Fuse #210AMemory Seat Module, LH and RH Heated Seat Switch
BRAKE Fuse #310AElectronic Brake Control Module (EBCM)
HTR A/С Fuse #425ABlower Motor (all except high speed)
IGN 0 Fuse #510AAutomatic Transmission, Instrument Cluster, Vehicle Control Module (VCM)/Powertrain Control Module (PCM)
CRUISE Fuse #610ACruise Control Module, Cruise Control Switch, Instrument Cluster, Body Control Module (BCM)
4WD Fuse #715AAuxiliary Battery Relay, Front Axle Actuator/Switch, Automatic Transfer (АТС) Control Module. Vehicle Control Module (VCM)
TURN Fuse #820AFeeds LT Turn and RT Turn fuses – turn signals
WS WiPER Fuse #1225AWindshield Wiper, Windshield Washer Pump
SEO IGN Fuse #1310ASelectable Ride
ILLUM Fuse #1410AInstrument Cluster, Instrument Panel Switches (backlit)
IGN 1 Fuse #1510ABody Control Module (BCM), Instrument Cluster, Automatic Day-Night
SEO ACCY Fuse #1610ABody Builder Provision
CRANK Fuse #1710AStarter Relay
AIR BAG Fuse #1815AInflatable Restraint Sensing and Diagnostic Module, Inflatable Restraint instrument Panel Module Switch
MIR/LOCK Fuse #19ЗАPower Mirrors, Memory Seat Switch, Power Door Lock Relays
SEATS (CB) #2025APower Seats, Memory Seats (LH and RH)
DR LOCKS Fuse #2120APower Door Lock Actuators
LOCK Fuse #2215APower Door Locks (Actuators)
(NT PK Fuse #2410APark Lamp Relay Bypass (w/Manual Park Lamp Switch use)
UNLOCK Fuse #2515APower Door Locks (Actuators)
PWR WDO (CB) #2725APower Windows (Uplevel Vehicle)
RDO I Fuse #2910ARadio (Base Vehicle)
UNLOCK JMPR (Relay/Fuse)30APower Door Locks (non-Keyless Entry)

fuse box layout (2003-2007).

Instrument panel fuse block.

legend (2003-2007).

DeviceRatingDescription
RR WPR Fuse15ANot Used
SEO ACCY Fuse10AUpfitter Provisions
WS WPR Fuse25AWindshield Wiper Motor and Module
TBC ACCY Fuse10ABody Control Module (BCM)
IGN 3 Fuse10ARear Wheel Steering Control Module
4WD Fuse15AFront Axle Actuator, Transfer Case Shift Control Switch, Auxiliary Battery Relay
HTR A/C Fuse30AHVAC Control Module
LOCK Relay–Door Lock Actuators
HVAC 1 Fuse10AHVAC Control Module, HVAC Actuators
L DOOR – 12-WAY – BLACK–Fuse Block – Left I/P C3 (Driver Door Harness)
CRUISE Fuse10ACruise Control Switch, Cruise Control Module, Steering Wheel Speed/Position Sensor, Power Take-Off (PTO) Switch
UNLOCK Relay–Door Unlock Actuators
RR FOG LP Relay–Fog Lamp – LR, Fog Lamp – RR (Export)
BRAKE Fuse10AStop Lamp Switch, Electronic Brake Control Module (EBCM), Clutch Start Switch
DRIVER UNLOCK Relay–Door Latch Assembly-Driver (Base)
IGN O Fuse10APasslock Sensor, Automatic Transmission, Powertrain Control Module (PCM) – Gas, Engine Control Module (eCM) – Diesel
TBC IGN O Fuse10ABody Control Module (BCM)
VEH CHMSL Fuse10ACenter High Mounted Stop Lamp (CHMSL)
LT TRLR ST/TRN Fuse10ATrailer Wiring Provisions
LT TRN Fuse10ATurn Signal Lamps – Left, Marker Lamps – Left, Driver Door Module (DDM), Instrument Panel Cluster (IPC)
VEH STOP Fuse15ATail/Stop and Turn Signal Lamps-Rear, Throttle Actuator Control (TAC)
BODY – 12-WAY – BROWN–Fuse Block – Left I/P C4 (Body Harness)
RT TRLR ST/TRN Fuse10ATrailer Wiring Provisions
RT TRN Fuse10ATurn Signal Lamps – Right, Marker Lamps – Right, Front Passenger Door Module (FPDM), Instrument Panel Cluster (IPC)
DDM Fuse15ADriver Door Module (DDM)
AUX PWR 2 Fuse20AI/P Accessory Power Outlets, Accessory Power Outlet – Rear
LOCKS Fuse20ADoor Lock/Unlock Relays
ECC Fuse10ANot Used
TBC 2C Fuse15ABody Control Module (BCM)
FLASH Fuse25ATurn Signal/Hazard Flasher Module
CB-LT DOORS25AWindow Switch – LR, Driver Door Module (DDM)
TBC 2B Fuse15ABody Control Module (BCM)
TBC 2A Fuse15ABody Control Module (BCM)

Relay box Chevrolet Silverado (since 2004).

Instrumental panel relay block is located below instrument panel to the left of the steering column.

DeviceRatingDescription
SEO – 6-WAY – BLK–Mobile Radio and Emergency Lighting
TRAILER – 6-WAY – BRN–Trailer Provisions
UPFIT – 4-WAY – CRM–Upfitter Provisions
SL RIDE – 6-WAY – GRY–Manual Selectable Ride (MSR)
HDLNR 2 – 6-WAY – CRM–Air Temperature Assembly – Inside, Blower Motor Control Processor, HVAC Actuators, Inside Rearview Mirror
BODY – 12-WAY – WHT–Door Courtesy Lamps, Driver/Passenger Seat Modules, Heated Seat Module – LR/RR, Rear Window Defogger Grid, Automatic Occupant Sensing
DEFOG Relay (C49)–Rear Window Defogger Grid
HDLNR 1 – 6-WAY – BRN–Courtesy Reading Lamps, Garage Door Opener, Inside Rearview Mirror, Vanity Mirror Lamps
SPARE Relay–Not Used
CB- SEAT30ADriver/Passenger Seat Modules
CB – RT – DOOR25AFront Passenger Door Module (FPDM), Window Switch – RR
SPARE – 4-WAY – GRY–Not Used
INFO – 12-WAY – BLK–Rear Seat Audio (RSA) Module, OnStar Module, Audio Amplifier (Bose)