stop lights don't work, it is not the stop light swich
Then all that's left is the hot wire going to ground and shorting out. You'll have to follow the harness all the way back looking for rubbing or corrosion. Exposed all the way from the cab to back under the bed so look for corrosion or rubbing. At night you can look for sparks while someone puts in a new fuse?
Search Chevrolet C/K 1500 Questions
Chevrolet C/K 1500 Experts
Related Models For Sale
Used Cars For Sale