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Contents
Cigar lighter / power outlet fuses in the Chevrolet Silverado are located in the Engine Compartment Fuse Box (see fuses “AUX PWR” and “CIGAR” / “CIG LTR”).
Table of Contents
The fuse box is located on the driver’s side of the instrument panel, behind the cover.
The center instrument panel utility block is located underneath the instrument panel, to the left of the steering column.
It is located in the engine compartment on the driver’s side of the vehicle next to the underhood fusebox.
Assignment of the fuses in the Instrument Panel (1999-2002)
| Name | Usage |
|---|---|
| HVAC 1 | Climate Control System |
| IGN 3 | Ignition, Power Seats |
| BRAKE | Anti -Lock Brake System |
| HTR A/C | Climate Control System |
| IGN 0 | PRND321 Display, Odometer, PCM |
| CRUISE | Cruise Control, Instrument Panel Cluster |
| 4WD | Four-Wheel Drive System, Auxiliary Battery |
| TURN | Exterior Lamps, Turn Signals, Hazard Lamps |
| RR WIPER | Not Used |
| WS WPR | Windshield Wipers |
| SEO IGN | Special Equipment Option, Ignition, Manual Selectable Ride |
| ILLUM | Interior Lamps |
| IGN 1 | Ignition, Instrument Panel |
| SEO ACCY | Special Equipment Option Accessory, Cellular Telephone |
| L BODY | Retained Accessory Power Relay |
| CRANK | Starting System |
| AIR BAG | Air Bag |
| MIR/LOCK | Power Mirrors, Power Door Locks |
| SEAT | Power Seat Circuit Breaker |
| DRLOCK | Power Door Locks |
| RAP #1 | Retained Accessory Power Relay |
| LOCK | Power Door Locks |
| INT PRK | Interior Lamps |
| UNLOCK | Power Door Locks |
| DRV UNLOCK | Power Door Lock Relay |
| L DOOR | Power Door Lock Relay |
| PWR WDO | Power Window Circuit Breaker |
| RDO 1 | Audio System |
| RAP #2 | Not Used |
| LOCK | Power Door Lock Relay |
| UNLOCK | Power Door Lock Relay |
Center instrument panel relay box (1999-2002)
| Name | Usage |
|---|---|
| SEO | Special Equipment Option |
| HTDST | Heated Seats |
| SPARE 4 | Not Used |
| VANITY | Headliner Wiring |
| TRAILER | Trailer Brake Wiring |
| PWRST | Power Seats |
| SPARE 5 | Not Used |
| CLUTCH | Manual Transmission Clutch Switch |
| UPF | Upfitter |
| PARK LAMP | Parking Lamps (Relay) |
| FRT PRK EXPT | Not Used (Fuse) |
| SL RIDE | Manual Selectable Ride Switch |
| SPARE 2 | Not Used |
| RR PRK LP | Not Used (Relay) |
| RR FOG LP | Not Used (Relay) |
| SPARE 3 | Not Used |
| INADV PWR | Interior Lights Feed |
| CTSY LP | Courtesy Lamps |
| CEL PHONE | Cellular Telephone Wiring |
*1: INJ B – Gasoline Engine and Diesel Engine
*2: ECM I – Gasoline Engine; ECMRPV – Diesel Engine
*3: 02 A – Gasoline Engine; FUEL HT – Diesel Engine
*4: 02 B – Gasoline Engine; ECM I – Diesel Engine
Assignment of the fuses and relay in the Engine Compartment (1999-2002)
| Name | Usage |
|---|---|
| GLOW PLUG | Diesel Glow Plugs and Intake Air Heater |
| CUST FEED | Gasoline Accessory Power |
| STUD #1 | Accessory Power/Trailer Wiring Feed |
| ABS | Anti-Lock Brakes |
| IGN A | Ignition Switch |
| AIR | A.I.R. System |
| RAP #1 | Retained Accessory – Power, Power Mirrors, Power Door Locks, Power Seat(s) |
| IGN B | Ignition Switch |
| RAP #2 | Not Used |
| STUD #2 | Accessory Power/Trailer Wiring Brake Feed |
| SPARE | Spare Fuse |
| TRL R TRN | Right Turn Signal Trailer Wiring |
| TRL L TRN | Left Turn Signal Trailer Wiring |
| IGN 1 | Ignition, Fuel Controls (Relay) |
| INJB | Ignition, Fuel Controls |
| STARTER | Starter (Relay) |
| PARK LP | Parking Lamps |
| FRT HVAC | Climate Control System |
| STOP LP | Exterior Lamps, Stoplamps |
| ECM I | PCM |
| ECMRPV | Fuel Controls, ECM |
| CHMSL | Center High Mounted Stoplamp |
| VEH STOP | Stoplamps, Cruise Control |
| TRL B/U | Backup Lamps Trailer Wiring |
| INJ A | Fuel Controls, Ignition |
| RR HVAC | Not Used |
| VEH B/U | Vehicle Backup Lamps |
| ENG 1 | Engine Controls, Canister Purge, Fuel System |
| ETC | Electronic Throttle Control |
| IGN E | A/C Compressor Relay, Rear Window Defogger, Daytime Running Lamps, A.I.R. System |
| B/U LP | Backup Lamps, Automatic Transmission Shift Lock Control System |
| ATC | Automatic Transfer Case |
| RR DEFOG | Rear Window Defogger, Heated Mirrors (Relay) |
| RR PRK | Right Rear Parking Lamps |
| ECM B | PCM |
| F/PMP | Fuel Pump (Relay) |
| 02 A | Oxygen Sensors |
| FUEL HT | Fuel Heater, Glow Plug and Intake Heater Controls |
| 02 B | Oxygen Sensors |
| LR PRK | Left Rear Parking Lamps |
| RR DEFOG | Rear Window Defogger, Heated Mirrors |
| HDLP | Headlamps (Relay) |
| TRL PRK | Parking Lamps Trailer Wiring |
| RT HDLP | Right Headlamps |
| DRL | Daytime Running Lamps (Relay) |
| HTD MIR | Heated Mirrors |
| LT HDLP | Left Headlamps |
| A/C | Air Conditioning |
| AUX PWR | Cigarette Lighter, Auxiliary Power Outlets |
| SEO 2 | Special Equipment Option Power, Power Seats, Aux Roof Mnt Lamp |
| SEO 1 | Special Equipment Option Power, Aux Roof Mnt Lamp, Cell Phone, OnStar® |
| DRL | Daytime Running Lamps |
| A/C | A/C (Relay) |
| FOG LP | Fog Lamps |
| FOG LP | Fog Lamps (Relay) |
| RADIO | Audio System, Instrument Cluster, Climate Control System |
| CIGAR | Cigarette Lighter, Auxiliary Power Outlets |
| RT TURN | Right Turn Signals |
| BTSI | Automatic Transmission Shift Lock Control System |
| LT TURN | Left Turn Signals |
| FR PRK | Front Parking Lamps, Sidemarker Lamps |
| W/W PMP | Windshield Washer Pump |
| HORN | Horn (Relay) |
| IGN C | Ignition Switch, Fuel Pump, PRND321 Display, Crank |
| RDO AMP | Not Used |
| HAZ LP | Exterior Lamps, Hazard Lamps |
| EXP LPS | Not Used |
| HORN | Horn |
| CTSY LP | Interior Lamps |
| RR WPR | Not Used |
| TBC | Body Control Module, Remote Keyless Entry, Headlamps |
Assignment of the fuses in the Instrument Panel (2003-2005)
| Name | Usage |
|---|---|
| RR Wiper | Not Used |
| SEO ACCY | Special Equipment Option Accessory |
| WS WPR | Windshield Wipers |
| TBC ACCY | Truck Body Controller Accessory |
| IGN 3 | Ignition, Heated Seats |
| 4WD | Four-Wheel Drive System, Auxiliary Battery |
| HTR A/C | Climate Control System |
| LOCK (Relay) | Power Door Lock Relay (Lock Function) |
| HVAC 1 | Climate Control System |
| L DOOR | Driver’s Door Harness Connection |
| CRUISE | Cruise Control, Power Take Off (PTO) |
| UNLOCK (Relay) | Power Door Lock Relay (Unlock Function) |
| RR FOG LP | Not Used |
| BRAKE | Anti-Lock Brake System |
| DRIVER UNLOCK | Power Door Lock Relay (Driver’s Door Unlock Function) |
| IGN 0 | TCM |
| TBC IGN 0 | Truck Body Controller |
| VEH CHMSL | Vehicle and Trailer High Mounted Stoplamp |
| LT TRLR ST/TRN | Left Turn Signal/Stop Trailer |
| LT TRN | Left Turn Signals and Sidemarkers |
| VEH STOP | Vehicle Stoplamps, Brake Module, Electronic Throttle Control Module |
| RT TRLR ST/TRN | Right Turn Signal/Stop Trailer |
| RT TRN | Right Turn Signals and Sidemarkers |
| BODY | Harness Connector |
| DDM | Driver Door Module |
| AUX PWR 2 | Not Used |
| LOCKS | Power Door Lock System |
| ECC | Not Used |
| TBC 2C | Truck Body Controller |
| FLASH | Flasher Module |
| CB LT DOORS | Left Power Windows Circuit Breaker |
| TBC 2B | Truck Body Controller |
| TBC 2A | Truck Body Controller |
Center instrument panel relay box (2003-2007)
| Device | Usage |
|---|---|
| SEO | Special Equipment Option |
| TRAILER | Trailer Brake Wiring |
| UPFIT | Upftter (Not Used) |
| SL RIDE | Ride Control Harness Connection |
| HDLR 2 | Headliner Wiring Connector |
| BODY | Body Wiring Connector |
| DEFOG | Rear Defogger Relay |
| HDLNR 1 | Headliner Wiring Connector 1 |
| SPARE RELAY | Not Used |
| CB SEAT | Driver and Passenger Seat Module Circuit Breaker |
| CB RT DOOR | Right Power Windows Circuit Breaker |
| SPARE | Not Used |
| INFO | Infotainment Harness Connection |
Assignment of the fuses and relay in the Engine Compartment (2003-2005)
| Name | Usage |
|---|---|
| GLOW PLUG | Diesel Glow Plugs and Intake Air Heater |
| CUST FEED | Gasoline Accessory Power |
| STU D #1 | Auxiliary Power (Single Battery and Diesels Only)/ Dual Battery (TP2) Do not install fuse. |
| MBEC | Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors |
| BLOWER | Front Climate Control Fan |
| LBEC | Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet?Rear Cargo Area and Instrument Panel |
| STUD 2 | Accessory Power/Trailer Wiring Brake Feed |
| ABS | Anti-Lock Brakes |
| VSES/ECAS | Vehicle Stability |
| IGN A | Ignition Power |
| IGN B | Ignition Power |
| LBEC 1 | Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module |
| TRL PARK | Parking Lamps Trailer Wiring |
| RR PARK | Right Rear Parking and Sidemarker Lamps |
| LR PARK | Left Rear Parking and Sidemarker Lamps |
| PARK LP | Parking Lamps Relay |
| STARTER | Starter Relay |
| INTPARK | Interior Lamps |
| STOP LP | Stoplamps |
| TBC BATT | Truck Body Controller Battery Feed |
| SUNROOF | Sunroof |
| SEO B2 | Off-Road Lamps |
| 4WS | Vent Solenoid Canister/Quadrasteer Module Power |
| RR HVAC | Not Used |
| AUX PWR | Auxiliary Power Outlet 7 Console |
| IGN 1 | Ignition Relay |
| PCM 1 | Powertrain Control Module |
| ETC/ECM | Electronic Throttle Control, Electronic Brake Controller |
| IGN E | Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Staiter Relay |
| RTD | Ride Control |
| TRL B/U | Backup Lamps Trailer Wiring |
| PCM B | Powertrain Control Module, Fuel Pump |
| F/PMP | Fuel Pump (Relay) |
| B/U LP | Back-up Lamps, Automatic Transmission Shift Lock Control System |
| RR DEFOG | Rear Window Defogger |
| HDLP-HI | Headlamp High Beam Relay |
| PRIME | Not Used |
| 02B | Oxygen Sensors |
| SIR | Supplemental ln?atable Restraint System |
| FRT PARK | Front Parking Lamps, Sidemarker Lamps |
| DRL | Daytime Running Lamps (Relay) |
| SEO IGN | Rear Defog Relay |
| TBC IGN1 | Truck Body Controller Ignition |
| HI HDLP-LT | High Beam Headlamp-Left |
| LH HID | Not Used |
| DRL | Daytime Running Lamps |
| IPC/DIC | Instrument Panel Cluster/Driver Information Center |
| HVAC/ECAS | Climate Control Controller |
| CIG LTR | Cigarette Lighter |
| HI HDLP-RT | High Bearn Headlamp-Right |
| HDLP-LOW | Headlamp Low Beam Relay |
| A/C COMP | Air Conditioning Compressor |
| A/C COMP | Air Conditioning Compressor Relay |
| RR WPR | Not Used |
| RADIO | Audio System |
| SEO B1 | Mid Bussed Electrical Center, Rear Heated Seats, HomeLink |
| LO HDLP-LT | Headlamp Low Beam-Left |
| BTSI | Brake Transmission Shift Interlock System |
| CRANK | Starting System |
| LO HDLP-RT | Headlamp Low Beam-Right |
| FOG LP | Fog Lamp Relay |
| FOG LP | Fog Lamps |
| HORN | Horn Relay |
| W/S WASH | Windshield Washer Pump Relay |
| W/S WASH | Windshield Washer Pump |
| INFO | OnStar/Rear Seat Entertainment |
| RADIO AMP | Radio Ampli?er |
| RH HID | Not Used |
| HORN | Horn |
| EAP | Not Used |
| TREC | All-Wheel Drive Module |
| SBA | Supplemental Brake Assist |
| RVC | Regulated Voltage Control (2005) |
| INJ 2/15A | Fuel Injection Rail #2 |
| INJ 1/15A | Fuel Injection Rail #1 |
| 02A/15A | Oxygen Sensors |
| 02B/15A | Oxygen Sensors |
| IGN 1 | Ignition 1 |
| ECMHPV/15A | Engine Control Module |
| FUEL HT/15A | Fuel Heater |
| ECMI/15A | Engine Control Module |
| Fuses | Usage |
|---|---|
| COOL/FAN | Cooling Fan |
| COOL/FAN | Cooling Fan Relay Fuse |
| COOL/FAN | Cooling Fan Fuse |
| Relays | |
| COOL/FAN 1 | Cooling Fan Relay 1 |
| COOL/FAN 3 | Cooling Fan Relay 3 |
| COOL/FAN 2 | Cooling Fan Relay 2 |
Assignment of the fuses in the Instrument Panel (2006, 2007)
| Name | Usage |
|---|---|
| RR WPR | Not Used |
| SEO ACCY | Special Equipment Option Accessory |
| WS WPR | Windshield Wipers |
| TBC ACCY | Truck Body Controller Accessory |
| IGN 3 | Ignition, Heated Seats |
| 4WD | Four-Wheel Drive System, Auxiliary Battery |
| HTR A/C | Climate Control System |
| LOCK (Relay) | Power Door Lock Relay (Lock Function) |
| HVAC 1 | Climate Control System |
| LT DR | Driver’s Door Harness Connection |
| CRUISE | Cruise Control, Power Take Off (PTO) |
| UNLCK (Relay) | Power Door Lock Relay (Unlock Function) |
| RR FOG LP | Not Used |
| BRAKE | Anti-Lock Brake System |
| DRIVER UNLCK | Power Door Lock Relay (Driver’s Door Unlock Function) |
| IGN 0 | TCM |
| TBC IGN 0 | Truck Body Controller |
| VEH CHMSL | Vehicle and Trailer High Mounted Stoplamp |
| LT TRLR ST/TRN | Left Turn Signal/Stop Trailer |
| LT TRN | LeftTurn Signals and Sidemarkers |
| VEH STOP | Vehicle Stoplamps, Brake Module, Electronic Throttle Control Module |
| RT TRLR ST/TRN | Right Turn Signal/Stop Trailer |
| RT TRN | RiahtTurn Signals and Sidemarkers |
| BODY | Harness Connector |
| DDM | Driver Door Module |
| AUX PWR 2, M/GATE | Not Used |
| LCKS | Power Door Lock System |
| ECC, TPM | Tire Pressure Monitoring System |
| TBC 2C | Truck Body Controller |
| HAZRD | Flasher Module |
| CB LT DRS | Left Power Windows Circuit Breaker |
| TBC 2B | Truck Body Controller |
| TBC 2A | Truck Body Controller |
Center instrument panel relay box (2003-2007)
| Device | Usage |
|---|---|
| SEO | Special Equipment Option |
| TRAILER | Trailer Brake Wiring |
| UPFIT | Upftter (Not Used) |
| SL RIDE | Ride Control Harness Connection |
| HDLR 2 | Headliner Wiring Connector |
| BODY | Body Wiring Connector |
| DEFOG | Rear Defogger Relay |
| HDLNR 1 | Headliner Wiring Connector 1 |
| SPARE RELAY | Not Used |
| CB SEAT | Driver and Passenger Seat Module Circuit Breaker |
| CB RT DOOR | Right Power Windows Circuit Breaker |
| SPARE | Not Used |
| INFO | Infotainment Harness Connection |
Assignment of the fuses and relay in the Engine Compartment (2006, 2007)
| Name | Usage |
|---|---|
| GLOW PLUG | Diesel Glow Plugs and Intake Air Heater |
| CUST FEED | Gasoline Accessory Power |
| HYBRID | Hybrid |
| STUD #1 | Auxiliary Power (Single Battery and Diesels Only)/ Dual Battery (TP2) Do not install fuse. |
| MBEC | Mid Bussed Electrical Center Power Feed. Front Seats, Right Doors |
| BLWR | Front Climate Control Fan |
| LBEC | Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet – Rear Cargo Area and Instrument Panel |
| STUD #2 | Accessory Power/Trailer Wiring Brake Feed |
| ABS | Anti-lock Brakes |
| VSES/ECAS | Vehicle Stability |
| IGN A | Ignition Power |
| IGN B | Ignition Power |
| LBEC 1 | Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module |
| TRLPARK | Parking Lamps Trailer Wiring |
| RR PARK | Right Rear Parking and Sidemarker Lamps |
| LR PARK | Left Rear Parking and Sidemarker Lamps |
| PARK LP | Parking Lamps Relay |
| STRTR | Starter Relay |
| INTPARK | Interior Lamps |
| STOP LP | Stoplamps |
| TBC BATT | Truck Body Controller Battery Feed |
| SEO B2 | Off-Road Lamps |
| 4WS | Not Used |
| AUX PWR | Auxiliary Power Outlet – Console |
| PCM 1 | Powertrain Control Module |
| ETC/ECM | Electronic Throttle Control, Electronic Brake Controller-Gasoline Engine, Fan Clutch-Diesel Engines |
| IGN E | Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay |
| RTD | Ride Control |
| TRL B/U | Backup Lamps Trailer Wiring |
| F/PMP | Fuel Pump (Relay) |
| B/U LP | Back-up Lamps, Automatic Transmission Shift Lock Control System |
| RR DEFOG | Rear Window Defogger |
| HDLP-HI | Headlamp High Beam Relay |
| PRIME | Not Used |
| AIRBAG | Supplemental ln-atable Restraint System |
| FRT PARK | Front Parking Lamps, Sidemarker Lamps |
| DRL | Daytime Running Lamps (Relay) |
| SEO IGN | Rear Defog Relay |
| TBC IGN1 | Truck Body Controller Ignition |
| HI HDLP-LT | High Beam Headlamp-Left |
| LH HID | Not Used |
| DRL | Daytime Running Lamps |
| RVC | Regulated Voltage Control |
| IPC/DIC | Instrument Panel Cluster/Driver Information Center |
| HVAC/ECAS | Climate Control Controller |
| CIG LTR | Cigarette Lighter |
| HI HDLP-RT | High Beam Headlamp-Right |
| HDLP-LOW | Headlamp Low Beam Relay |
| A/C COMP | Air Conditioning Compressor Relay |
| A/C COMP | Air Conditioning Compressor |
| TCMB | Transmission Control Module |
| RR WPR | Not Used |
| RADIO | Audio System |
| SEO B1 | Mid Bussed Electrical Center, Rear Heated Seats, Universal Home Remote System |
| LO HDLP-LT | Headlamp Low Beam-Left |
| BTSI | Brake Transmission Shift Interlock System |
| CRNK | Starting System |
| LO HDLP-RT | Headlamp Low Beam-Right |
| FOG LP | Fog Lamps Relay |
| FOG LP | Fog Lamps |
| HORN | Horn Relay |
| W/S WASH | Windshield Washer Pump Relay |
| W/S WASH | Windshield Washer Pump |
| INFO | OnStar/Rear Seat Entertainment |
| RADIO AMP | Radio Amplifer |
| RH HID | Not Used |
| HORN | Horn |
| EAP | Not Used |
| TREC | Not Used |
| INJ2 | Fuel Injection Rail #2 |
| INJ 1 | Fuel Injection Rail #1 |
| 02A | Oxygen Sensors |
| 02B | Oxygen Sensors |
| IGN 1 | Ignition 1 |
| PCM B | Powertrain Control Module B |
| SBA | Supplemental Brake Assist |
| ECM | Engine Control Module |
| ACTUATOR | Actuator |
| FUEL HTR | Fuel Heater |
| ECM 1 | Engine Control Module 1 |
| ECM | Engine Control Module |
| ECM B | Engine Control Module B |
| EV FAN | Electronic Viscous Fan |
| RR HVAC | Rear Climate Control |
| S/ROOF | Sunroof |
| Fuses | Usage |
|---|---|
| COOL/FAN | Cooling Fan |
| COOL/FAN | Cooling Fan Relay Fuse |
| COOL/FAN | Cooling Fan Fuse |
| Relays | |
| COOL/FAN 1 | Cooling Fan Relay 1 |
| COOL/FAN 3 | Cooling Fan Relay 3 |
| COOL/FAN 2 | Cooling Fan Relay 2 |
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