The 2007 Chevy Avalanche has three separate fuse boxes: the Instrument Panel Fuse Block, the Center Instrument Panel Fuse Block, and the Underhood Fuse Block. Understanding their locations and components is crucial for diagnosing and resolving electrical issues. This guide provides detailed diagrams and descriptions for each fuse box.
Instrument Panel Fuse Block (Located on the driver’s side, behind the access panel)
This fuse box primarily controls interior components such as lighting, power locks, and seats. The table below lists each fuse and its corresponding function.
Type | Description |
---|---|
Fuse MINI 20A | Rear Seats |
Fuse MINI 20A | Rear Cargo Area Power Outlets |
Fuse MINI 2A | Steering Wheel Controls Backlight |
Fuse MINI 15A | Driver Door Module |
Fuse MINI 15A | Dome Lamps, Driver’s Side Turn Signal |
Fuse MINI 15A | Driver’s Side Turn Signal, Stoplamp |
Fuse MINI 10A | Instrument Panel Back Lighting |
Fuse MINI 15A | Passenger’s Side Turn Signal, Stoplamp |
Fuse MINI 10A | Body Control Module |
Fuse MINI 15A | Power Door Lock 2 (Unlock Feature) |
Fuse MINI 15A | Power Door Lock 2 (Lock Feature) |
Fuse MINI 15A | Stoplamps, Center-High Mounted Stoplamp |
Fuse MINI 30A | Rear Climate Controls |
Fuse MINI 15A | Passenger Door Module, Universal Home Remote System |
Fuse MINI 20A | Accessory Power Outlets |
Fuse MINI 10A | Interior Lamps |
Fuse MINI 15A | Power Door Lock 1 (Unlock Feature) |
Fuse MINI 10A | Ultrasonic Rear Parking Assist, Power Liftgate |
Fuse MINI 15A | Power Door Lock 1 (Lock Feature) |
Fuse MINI 20A | Rear Wiper |
Fuse MINI 30A | Cooled Seats |
Fuse MINI 10A | Driver Seat Module, Remote Keyless Entry System |
Connector | LT DR Driver’s Door Harness Connection |
Connector | BODY1 Harness Connector |
Connector | BODY2 Harness Connector |
Circuit breaker MINI | BODY3 Driver’s Side Power Window Circuit Breaker |



Center Instrument Panel Fuse Block (Located behind the center console, near the floor)
This fuse box houses connectors and circuit breakers for various body functions and accessories.
Type | Description |
---|---|
Connector | BODY 2 Body Harness Connector 2 |
Connector | BODY 1 Body Harness Connector 1 |
Connector | BODY 3 Body Harness Connector 3 |
Connector | HEADLINER 3 Headliner Harness Connector 3 |
Connector | HEADLINER 2 Headliner Harness Connector 2 |
Connector | HEADLINER 1 Headliner Harness Connector 1 |
Connector | SEO/UPFITTER Special Equipment Option Upfitter Harness Connector |
Circuit breaker ATO | CB1 Passenger’s Side Power Window Circuit Breaker |
Circuit breaker ATO | CB2 Passenger’s Seat Circuit Breaker |
Circuit breaker ATO | CB3 Driver’s Seat Circuit Breaker |
Connector | CONNECTOR 3 Brake Clutch Harness Connector |
Underhood Fuse Block (Located in the engine compartment, near the battery)
This fuse box manages critical engine functions, lighting, and other essential systems. It also contains relays for various components. Refer to the detailed table below for specific fuse and relay assignments.
Type | Description |
---|---|
Fuse MINI | 2 Electronic Stability Suspension Control, Automatic Level Control Exhaust |
Fuse MINI | … (Remaining fuses and relays) … |
This comprehensive guide to the 2007 Chevy Avalanche Fuse Box Diagram should assist in troubleshooting electrical problems. Remember to always consult your owner’s manual for specific fuse amperage ratings and safety precautions before working on any electrical system. Incorrect fuse replacement can lead to further damage.