Where is the rear door lock relay for 2004 Chevy Avalanche?

The rear door lock relay for a 2004 Chevy Avalanche is typically located in the underhood fuse box. To access it, open the hood and locate the fuse box near the driver's side. The relay is usually labeled on the cover of the fuse box, making it easier to identify. If you're having trouble, consult the owner’s manual for specific details on the relay's location and configuration.