Fuses and relay Chevrolet Silverado 1999-2007




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

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.



legend.

 

Device

Rating

Description

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 Fuse

50A

SEAT CB, RT DOOR CB

BLWR Fuse

40A

Blower Motor

LBEC 2 Fuse

50A

LOCKS Fuse, DDM Fuse, PDM Fuse, ECC Fuse, AUX PWR 2 Fuse

STUD 2 Fuse

30A

Trailer Wiring, Emergency Vehicle Roof Lamp Relay

ABS Fuse

60A

Electronic Brake Control Module (EBCM)

VSES/ECAS Fuse

60A

Not Used

IGN A Fuse

40A

Ignition Switch RUN, START, RUN/START/ACCY, STARTER Relay

IGN B Fuse

40A

Ignition Switch RUN/ACC, RUN/START

LBEC 1 Fuse

50A

FLASH Fuse, TBC 2A Fuse, TBC 2B Fuse, TBC 2C Fuse, LT DOORS Fuse

TRL PARK Fuse

15A

Trailer Wiring

RR PARK Fuse

10A

Exterior Lamps-Right Rear, Clearance Lamps-Right

LR PARK Fuse

10A

Exterior 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 Fuse

10A

Power Take-Off (PTO) Switch, Inflatable Restraint I/P Module Disable Switch

STOP LP Fuse

25A

Stop Lamp Switch

TBC BATT Fuse

10A

Body Control Module (BCM), PASS-Key Module

S/ROOF Fuse

25A

Sunroof Module Control

SEO B2 Fuse

30A

Roof Beacon Relay

4WS Fuse

15A

Rear Wheel Steering Control Module, Evaporative Emission (EVAP) Canister Vent Solenoid

RR HVAC

30A

Not Used

AUX PWR Fuse

20A

Accessory Power Outlets, Auxiliary Power Outlets

PCM 1 Fuse

15A

Powertrain Control Module (PCM), Mass Air Flow (MAF) Sensor, Evaporative Emission (EVAP) Canister Purge Solenoid, Fuel Composition Sensor, Secondary Fuel Pump Relay

ETC/ECM Fuse

15A

Throttle Actuator Control (TAC)

INJ 1 Fuse (Gas)/ECMRPCV Fuse (Diesel) #2

15A

Fuel Injectors-Odd-Numbered, Ignition Coils-Odd- Numbered (Gas)

15A

Engine Control Module (ECM) (Diesel)

INJ 2 Fuse (Gas)/EDU Fuse (Diesel) #1

15A

Fuel Injectors-Even-Numbered, Ignition Coils- Even-Numbered (Gas)

25A

Fuel Injector Control Module (FICM) (Diesel)

LO HDLP-LT Fuse

10A

Headlamp-Low Beam-Left

BTSI Fuse

10A

Stop Lamp Switch

CRNK Fuse

10A

Powertrain Control Module (PCM)-Gas, Engine Control Module (ECM)-Diesel

LO HDLP-RT Fuse

25A

Headlamp-Low Beam-Right

FOG LP Relay

Fog Lamp-RF, Fog Lamp-LF

FOG LP Fuse

15A

FOG LP Relay

HORN Relay

HORN Fuse

W/S WASH Relay

Windshield Washer Fluid Pump

W/S WASH Fuse

15A

W/S WASH Relay

INFO Fuse

15A

Vehicle Communication Interface Module (VCIM), Rear Seat Entertainment (RSE) Assembly, Remote Playback Device-CD Player

RADIO AMP Fuse

30A

Audio Amplifier

RH HID Fuse

20A

Not Used

HORN Fuse

15A

Horn-Left, Horn-Right

EAP Fuse

15A

Not Used

TREC Fuse

30A

Transfer Case Encoder Motor, Transfer Case Shift Control Module

SBA Fuse

15A

Supplemental Brake Assist (SBA)

IGN E Fuse

10A

A/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 Fuse

30A

Not Used

TRL B/U Fuse

10A

Body Control Module (BCM), Trailer Wiring, Back-Up Alarm

PCM B Fuse

20A

Powertrain Control Module, F/PMP Relay

F/PMP Relay

Fuel Pump

O2 A Fuse (Gas)/FUEL HT Fuse (Diesel) #3

15A

Heated Oxygen Sensors-Upstream (Gas)

15A

Fuel Heater, Glow Plug Controller, Intake Air (IA) Heater Relay, EGR System Components (Diesel)

B/U LP Fuse

20A

Park/Neutral Position (PNP) Switch

RR DEFOG Fuse

30A

DEFOG Relay

HDLP-HI Relay

HI HDLP-LT Fuse, HI HDLP-RT Fuse

O2 B Fuse (Gas)/EMCI Fuse (Diesel) #4

15A

Heated Oxygen Sensors-Downstream (Gas)

15A

IAT/MAF Sensor, Engine Control Module (ECM) (Diesel)

AIRBAG Fuse

15A

Inflatable Restraint Sensing and Diagnostic Module (SDM), Memory Seat Module-Passenger, Inside Rearview Mirror

FRT PARK Fuse

10A

Park/Turn Signal Lamps-Front, Marker Lamps- Front

DRL Relay

DRL Lamp-LT, DRL Lamp-RT (Domestic)/DRL Fuse, FRT PARK Fuse (Export)

SEO IGN Fuse

10A

DEFOG Relay, Instrument Panel Cluster (IPC)

TBC IGN 1 Fuse

10A

Body Control Module (BCM)

HI HDLP-LT Fuse

10A

Headlamp-High Beam-Left

LH HID Fuse

20A

High Intensity Discharge Lamps

DRL Fuse

10A

DRL Relay (Domestic)/Daytime Running Lamps (Export)

RVC Fuse

10A

Generator Battery Control Module

IPC/DIC Fuse

10A

Instrument Panel Cluster (IPC)

HVAC/ECAS Fuse

10A

HVAC Control Module

CIG LTR Fuse

15A

Cigar Lighter, Data Link Connector (DLC)

HI HDLP RT Fuse

10A

Highbeam Headlamp-Right

HDLP-LOW Relay

LO HDLP-LT Fuse, LO HDLP-RT Fuse

A/C COMP Relay

A/C Compressor Clutch

A/C COMP Fuse

10A

A/C Compressor Clutch Relay

RR WPR

25A

Not Used

RADIO Fuse

15A

Radio, Rear Seat Audio (RSA)

SEO B1 Fuse

15A

Instrument 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 layout.

Device

Rating

Description

RR WPR Fuse

15A

Not Used

SEO ACCY Fuse

10A

Upfitter Provisions

WS WPR Fuse

25A

Windshield Wiper Motor and Module

TBC ACCY Fuse

10A

Body Control Module (BCM)

IGN 3 Fuse

10A

Rear Wheel Steering Control Module

4WD Fuse

15A

Front Axle Actuator, Transfer Case Shift Control Switch, Auxiliary Battery Relay

HTR A/C Fuse

30A

HVAC Control Module

LOCK Relay

Door Lock Actuators

HVAC 1 Fuse

10A

HVAC Control Module, HVAC Actuators

L DOOR – 12-WAY – BLACK

Fuse Block – Left I/P C3 (Driver Door Harness)

CRUISE Fuse

10A

Cruise 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 Fuse

10A

Stop Lamp Switch, Electronic Brake Control Module (EBCM), Clutch Start Switch

DRIVER UNLOCK Relay

Door Latch Assembly-Driver (Base)

IGN O Fuse

10A

Passlock Sensor, Automatic Transmission, Powertrain Control Module (PCM) – Gas, Engine Control Module (eCM) – Diesel

TBC IGN O Fuse

10A

Body Control Module (BCM)

VEH CHMSL Fuse

10A

Center High Mounted Stop Lamp (CHMSL)

LT TRLR ST/TRN Fuse

10A

Trailer Wiring Provisions

LT TRN Fuse

10A

Turn Signal Lamps – Left, Marker Lamps – Left, Driver Door Module (DDM), Instrument Panel Cluster (IPC)

VEH STOP Fuse

15A

Tail/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 Fuse

10A

Trailer Wiring Provisions

RT TRN Fuse

10A

Turn Signal Lamps – Right, Marker Lamps – Right, Front Passenger Door Module (FPDM), Instrument Panel Cluster (IPC)

DDM Fuse

15A

Driver Door Module (DDM)

AUX PWR 2 Fuse

20A

I/P Accessory Power Outlets, Accessory Power Outlet – Rear

LOCKS Fuse

20A

Door Lock/Unlock Relays

ECC Fuse

10A

Not Used

TBC 2C Fuse

15A

Body Control Module (BCM)

FLASH Fuse

25A

Turn Signal/Hazard Flasher Module

CB-LT DOORS

25A

Window Switch – LR, Driver Door Module (DDM)

TBC 2B Fuse

15A

Body Control Module (BCM)

TBC 2A Fuse

15A

Body Control Module (BCM)

 


Relay box Chevrolet Silverado.

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

Device

Rating

Description

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- SEAT

30A

Driver/Passenger Seat Modules

CB – RT – DOOR

25A

Front 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)