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International Automotive Technicians Network
Re: Weird Electrical Issues GM Trucks
Posted to Technical Tips Forum on 2/18/2019

The one I had was the very left front of the box which makes sense, only thing I found was melted fuse for the rear defrost, which was very hard to see until you pulled it out. The short turned out to be in the heated mirror circuit fuse and the truck didn't e... Login to read more.