Check the fuses.
On this website (fuse below) you find a fuse box diagram and descritpion for Chevrolet Avalanche 2009
http://www.autogenius.info/en/chevrolet-avalanche-2nd-generation-2009-fuse-box-diagram
Did you check the fuses? It could also be a bad connection somewhere in the cab.
If you have had anything like extra speakers, sound system or alarm installed, suspect everything the installers came near.
856 views
Usually answered in minutes!
So the third brake light has its own fuse? No other work has been done
×