Understanding your vehicle’s fuse box is crucial for troubleshooting electrical issues. This comprehensive guide provides a detailed overview of the 2007 Chevy Avalanche Fuse Box Diagram, including locations and corresponding components. The 2007 Avalanche has three separate fuse boxes: the Instrument Panel Fuse Block, the Center Instrument Panel Fuse Block, and the Underhood Fuse Block. We’ll break down each one.
Instrument Panel Fuse Block
Located on the driver’s side of the dashboard, behind a removable panel, the Instrument Panel Fuse Block houses fuses for various interior components.
Fuse Type | Amperage | Component |
---|---|---|
MINI | 20A | Rear Seats |
MINI | 20A | Rear Cargo Area Power Outlets |
MINI | 2A | Steering Wheel Controls Backlight |
MINI | 15A | Driver Door Module |
MINI | 15A | Dome Lamps, Driver’s Side Turn Signal |
MINI | 15A | Driver’s Side Turn Signal, Stoplamp |
MINI | 10A | Instrument Panel Back Lighting |
MINI | 15A | Passenger’s Side Turn Signal, Stoplamp |
MINI | 10A | Body Control Module |
MINI | 15A | Power Door Lock 2 (Unlock Feature) |
MINI | 15A | Power Door Lock 2 (Lock Feature) |
MINI | 15A | Stoplamps, Center High Mounted Stoplamp |
MINI | 30A | Rear Climate Controls |
MINI | 15A | Passenger Door Module, Universal Home Remote System |
MINI | 20A | Accessory Power Outlets |
MINI | 10A | Interior Lamps |
MINI | 15A | Power Door Lock 1 (Unlock Feature) |
MINI | 10A | Ultrasonic Rear Parking Assist, Power Liftgate |
MINI | 15A | Power Door Lock 1 (Lock Feature) |
MINI | 20A | Rear Wiper |
MINI | 30A | Cooled Seats |
MINI | 10A | Driver Seat Module, Remote Keyless Entry System |



This fuse block also contains several important connectors:
Connector | Description |
---|---|
LT DR | Driver’s Door Harness Connection |
BODY1 | Harness Connector |
BODY2 | Harness Connector |
Finally, a circuit breaker protects the driver’s side power window:
Circuit Breaker | Description |
---|---|
MINI | Driver’s Side Power Window Circuit Breaker |
Center Instrument Panel Fuse Block
This fuse block, located beneath the center console, primarily houses connectors for various body and headliner harnesses. It also contains circuit breakers for power windows and seats.
Type | Description |
---|---|
Connector | Body Harness Connector 2 |
Connector | Body Harness Connector 1 |
Connector | Body Harness Connector 3 |
Connector | Headliner Harness Connector 3 |
Connector | Headliner Harness Connector 2 |
Connector | Headliner Harness Connector 1 |
Connector | Special Equipment Option/Upfitter Harness Connector |
Circuit Breaker | ATO Passenger’s Side Power Window Circuit Breaker |
Circuit Breaker | ATO Passenger’s Seat Circuit Breaker |
Circuit Breaker | ATO Driver’s Seat Circuit Breaker |
Connector | Brake Clutch Harness Connector |
Underhood Fuse Block
Positioned under the hood, usually near the battery, this fuse block manages the electrical systems for the engine, lighting, and other crucial components. Refer to your owner’s manual for specific amperage ratings for each fuse. This block also houses relays for various systems.
This fuse box protects a wide array of components, including headlamps, engine controls, transmission, airbags, four-wheel drive, and more. Consult your owner’s manual for a complete listing and corresponding amperage values for each fuse and relay.
Locating and understanding these fuse boxes allows you to diagnose and potentially fix minor electrical problems yourself. Always remember to disconnect the negative battery terminal before working with any fuses. If you are uncomfortable working on your vehicle’s electrical system, consult a qualified mechanic.