Jonathan Yarden Oct 22, 2021 · 5 min. read
In this article you will find a description of fuses and relays Chevrolet,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Year of production: 2007
Instrument Panel Fuse Block
The instrument panel fuse block access door is located on the driver side edge of the instrument panel.
| Fuses | Usage |
| LT DR | Driverâs Side Power Window Circuit Breaker |
| REAR SEAT | Rear Seats |
| AUX PWR2 | Rear Cargo Area Power Outlets |
| SWC BKLT | Steering Wheel Controls Backlight |
| DDM | Driver Door Module |
| CTSY | Dome Lamps, Driverâs Side Turn Signal |
| LT STOP TRN | Driverâs Side Turn Signal, Stoplamp |
| DIM | Instrument Panel Back Lighting |
| RT STOP TRN | Passengerâs Side Turn Signal, Stoplamp |
| BCM | Body Control Module |
| UNLCK2 | Power Door Lock 2 (Unlock Feature) |
| LCK2 | Power Door Lock 2 (Lock Feature) |
| STOP LAMPS | Stoplamps, Center-High Mounted Stoplamp |
| REAR HVAC | Rear Climate Controls |
| PDM | Passenger Door Module, Universal Home Remote System |
| AUX PWR | Accessory Power Outlets |
| IS LPS | Interior Lamps |
| UNLCK1 | Power Door Lock 1 (Unlock Feature) |
| OBS DET | Ultrasonic Rear Parking Assist, Power Liftgate |
| LCK1 | Power Door Lock 1 (Lock Feature) |
| REAR WPR | Rear Wiper |
| COOLED SEATS | Not Used |
| DSM | Driver Seat Module, Remote Keyless Entry System |
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| Harness connector | Usage |
| LT DR | Driver Door Harness Connection |
| BODY | Harness Connector |
| BODY | Harness Connector |
Center Instrument Panel Fuse Block
The center instrument panel fuse block is located underneath the instrument panel, to the left of the steering column.
Top View
| 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 |
| BRAKEÂ CLUTCH | Brake Clutch Harness Connector |
| SEO/UPFITTER | Special Equipment Option Upfitter Harness Connector |
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| Circuit breaker | Usage |
| CB1 | Passengerâs Side Power Window Circuit Breaker |
| CB2 | Passengerâs Seat Circuit Breaker |
| CB3 | Driverâs Seat Circuit Breaker |
| CB4 | Not Used |
Underhood Fuse Block
The underhood fuse block is located in the engine compartment, on the driver side of the vehicle. Lift the cover for access to the fuse/relay block.
| Fuses | Usage |
| 1 | Not Used |
| 2 | Electronic Stability Suspension Control, Automatic Level Control Exhaust |
| 3 | Left Trailer Stop/Turn Lamp |
| 4 | Engine Controls |
| 5 | Engine Control Module, Throttle Control |
| 6 | Right Trailer Stop/Turn Lamp |
| 7 | Front Washer |
| 8 | Oxygen Sensors |
| 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 | Not Used |
| 22 | Rear Washers |
| 23 | Fuel Injectors, Ignition Coils (Left Side) |
| 24 | Trailer Park Lamps |
| 25 | Driverâs Side Park Lamps |
| 26 | Passengerâs Side Park Lamps |
| 27 | Fog Lamps |
| 28 | Horn |
| 29 | Passenger Side High-Beam Headlamp |
| 30 | Daytime Running Lamps |
| 31 | Driver Side High-Beam Headlamp |
| 32 | Not Used |
| 33 | Sunroof |
| 34 | Key Ignition System, Theft Deterrent System |
| 35 | Windshield Wiper |
| 36 | SEO B2 Upfitter Usage (Battery) |
| 37 | Electric Adjustable Pedals |
| 38 | Climate Controls (Battery) |
| 39 | Airbag System (Ignition) |
| 40 | Amplifier |
| 41 | Audio System |
| 42 | Four-Wheel Drive |
| 43 | Miscellaneous (Ignition), Rear Vision Camera, Cruise Contro |
| 44 | Liftgate Release |
| 45 | OnStarŽ, Rear Seat Entertainment Display |
| 46 | Instrument Panel Cluster |
| 47 | Not Used |
| 48 | Not Used |
| 49 | Auxiliary Climate Control (Ignition), Compass-Temperature Mirror |
| 50 | Rear Defogger |
| 51 | Airbag System (Battery) |
| 52 | SEO B1 Upfitter Usage (Battery) |
| 53 | Cigarette Lighter, Auxiliary Power Outlet |
| 54 | Automatic Level Control Compressor Relay, SEO Upfitter Usage |
| 55 | Climate Controls (Ignition) |
| 56 | Engine Control Module, Secondary Fuel Pump (Ignition) |
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| J-Case Fuses | Usage |
| 60 | Cooling Fan 1 |
| 61 | Automatic Level Control Compressor |
| 62 | Heavy Duty Anti-lock Brake System |
| 63 | Cooling Fan 2 |
| 64 | Anti-lock Brake System 1 |
| 65 | Starter |
| 66 | Stud 2 (Trailer Brakes) |
| 67 | Left Bussed Electrical Center 1 |
| 68 | Electric Running Boards |
| 69 | Heated Windshield Washer System |
| 70 | Four-Wheel Drive System |
| 71 | Stud 1 (Trailer Connector Battery Power) |
| 72 | Mid-Bussed Electrical Center 1 |
| 73 | Climate Control Blower |
| 74 | Power Liftgate Module |
| 75 | Left Bussed Electrical Center 2 |
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| Relays | Usage |
| FAN HI | Cooling Fan High Speed |
| FAN LO | Cooling Fan Low Speed |
| ENG EXH VLV | Not Used |
| 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/CRANK | Switched Power |
WARNING:Â Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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