Where is the fuel pump relay on a 2002 Chevy Avalanche?

The fuel pump relay on a 2002 Chevy Avalanche is located in the under-hood fuse block, which is situated near the battery. To access it, you'll need to remove the cover of the fuse block, and the relay is typically labeled on the underside of the cover for easy identification. If you're troubleshooting, it's a good idea to check the relay's condition and connections, as well as the associated fuses.