Where are the Fuse Boxes located in the 2012 Chevrolet Silverado?
2012 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).
2012 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.
2012 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.
2012 Chevrolet Silverado under Dash Fuse Box Layout
2012 Chevrolet Silverado Under Dash Fuse Box Diagram
2012 Chevrolet Silverado under Dash Fuse Box and Relay Details
Assignment of the fuses in the Passenger Compartment
| Name | Usage |
| 1 | Rear Seats |
| 2 | Rear Accessory Power Outlet |
| 3 | Steering Wheel Controls Backlight |
| 4 | Driver Door Module |
| 5 | Dome Lamps, Driver Side Turn Signal |
| 6 | Driver Side Turn Signal, Stoplamp |
| 7 | Instrument Panel Back Lighting |
| 8 | Passenger Side Turn Signal, Stoplamp |
| 9 | 2007-2008: Universal Home Remote 2009-2013: Passenger Door Module, Driver Unlock |
| 10 | Power Door Lock 2 (Unlock Feature) |
| 11 | Power Door Lock 2 (Lock Feature) |
| 12 | Stoplamps, Center High-Mounted Stoplamp |
| 13 | Rear Climate Controls |
| 14 | Power Mirror |
| 15 | Body Control Module (BCM) |
| 16 | Accessory Power Outlets |
| 17 | Interior Lamps |
| 18 | Power Door Lock 1 (Unlock Feature) |
| 19 | Rear Seat Entertainment |
| 20 | Ultrasonic Rear Parking Assist, Power Liftgate |
| 21 | Power Door Lock 1 (Lock Feature) |
| 22 | Driver Information Center (DIC) |
| 23 | Rear Wiper |
| 24 | Cooled Seats |
| 25 | Driver Seat Module, Remote Keyless Entry System |
| 26 | Driver Power Door Lock (Unlock Feature) |
| Circuit Breaker | |
| LT DR | Driver Side Power Window Circuit Breaker |
| Harness Connector | |
| LT DR | Driver Door Harness Connection |
| BODY | Harness Connector |
| BODY | Harness Connector |
2012 Chevrolet Silverado Center Panel Fuse Box Layout
2012 Chevrolet Silverado Center Panel Fuse Box Diagram
2012 Chevrolet Silverado Centre Panel Fuse Box and Relay Details
| Harness Connector | Usage |
| BODY 2 | Body Harness Connector 2 |
| BODY 1 | Body Harness Connector 1 |
| BODY 3 | Body Harness Connector 3 |
| HEADLINER 3 | Headliner Harness Connector 3 |
| HEADLINER 2 | Headliner Harness Connector 2 |
| HEADLINER 1 | Headliner Harness Connector 1 |
| SEO/ UPFITTER | Special Equipment Option Upfitter Harness Connector |
| Circuit Breaker | |
| CB1 | Passenger Side Power Window Circuit Breaker |
| CB2 | Passenger Seat Circuit Breaker |
| CB3 | Driver Seat Circuit Breaker |
| CB4 | Rear Sliding Window |
2012 Chevrolet Silverado Under Hood Fuse Box Layout
2012 Chevrolet Silverado Under Hood Fuse Box Diagram
2012 Chevrolet Silverado under Hood Fuse Box and Relay Details
Assignment of the fuses in the Engine Compartment
| Name | Usage |
| 1 | Right Trailer Stop/ Turn Lamp |
| 2 | Electronic Suspension Control, Automatic Level Control Exhaust |
| 3 | Left Trailer Stop/ Turn Lamp |
| 4 | Engine Controls |
| 5 | Engine Control Module, Throttle Control |
| 6 | Trailer Brake Controller |
| 7 | Front Washer |
| 8 | Oxygen Sensor |
| 9 | Antilock Brakes System 2 |
| 10 | Trailer Back-up Lamps |
| 11 | Driver Side Low-Beam Headlamp |
| 12 | Engine Control Module (Battery) |
| 13 | Fuel Injectors, Ignition Coils (Right Side) |
| 14 | Transmission Control Module (Battery) |
| 15 | Vehicle Back-up Lamps |
| 16 | Passenger Side Low-Beam Headlamp |
| 17 | Air Conditioning Compressor |
| 18 | Oxygen Sensors |
| 19 | Transmission Controls (Ignition) |
| 20 | Fuel Pump |
| 21 | Fuel System Control Module |
| 22 | Not Used |
| 23 | Not Used |
| 24 | Fuel Injectors, Ignition Coils (Left Side) |
| 25 | Trailer Park Lamps |
| 26 | Driver Side Park Lamps |
| 27 | Passenger Side Park Lamps |
| 28 | Fog Lamps |
| 29 | Horn |
| 30 | Passenger Side High-Beam Headlamp |
| 31 | Daytime Running Lamps (DRL) |
| 32 | Driver Side High-Beam Headlamp |
| 33 | Daytime Running Lamps 2 |
| 34 | Sunroof |
| 35 | Key Ignition System, Theft Deterrent System |
| 36 | Windshield Wiper |
| 37 | SEO B2 Upfitter Usage (Battery) |
| 38 | Electric Adjustable Pedals |
| 39 | Climate Controls (Battery) |
| 40 | Airbag System (Ignition) |
| 41 | Amplifier |
| 42 | Audio System |
| 43 | Miscellaneous (Ignition), Cruise Control |
| 44 | Not Used |
| 45 | Airbag System (Battery) |
| 46 | Instrument Panel Cluster |
| 47 | Power Take-Off |
| 48 | Auxiliary Climate Control (Ignition) Compass-Temperature Mirror |
| 49 | Center High-Mounted Stoplamp (CHMSL) |
| 50 | Rear Defogger |
| 51 | Heated Mirrors |
| 52 | SE0B1 Upfitter Usage (Battery) |
| 53 | Cigarette Lighter, Accessory Power Outlet |
| 54 | Automatic Level Control CompressorRelay SEO Upfitter Usage |
| 55 | Climate Controls (Ignition) |
| 56 | Engine Control Module, Secondary Fuel Pump (Ignition) |
| J-Case Fuses | |
| 57 | Cooling Fan 1 |
| 58 | Not Used |
| 59 | Heavy Duty Antilock Brake System |
| 60 | Cooling Fan 2 |
| 61 | Antilock Brake System 1 |
| 62 | Starter |
| 63 | Stud 2 (Trailer Brakes) |
| 64 | Left Bussed Electrical Center 1 |
| 65 | Not Used |
| 66 | Heated Windshield Washer System / Not Used |
| 67 | Four-Wheel Drive System / Transfer Case |
| 68 | Stud 1 (Trailer Connector Battery Power) (Optional -40A Fuse Required) |
| 69 | Mid-Bussed Electrical Center 1 |
| 70 | Climate Control Blower |
| 71 | Not Used |
| 72 | Left Bussed Electrical Center 2 |
| Relays | |
| FAN HI | Cooling Fan High Speed |
| FAN LO | Cooling Fan Low Speed |
| FAN CNTRL | Cooling Fan Control |
| HDLP LO/HID | Low-Beam Headlamp |
| FOG LAMP | Front Fog Lamps |
| A/C CMPRSR | Air Conditioning Compressor |
| STRTR | Starter |
| PWR/TRN | Powertrain |
| FUEL PMP | Fuel Pump |
| PRK LAMP | Parking Lamps |
| REAR DEFOG | Rear Defogger |
| RUN/CRNK | Switched Power |
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.
