99-04 Mustang Fuse Locations and ID’s Chart Fuse Diagram Jun 20, 2011These Mustang fuse diagram are for a 1999, 2000, 2001, 2002, 2003, and 2004 Ford Mustang under the hood in the engine bay, and inside the car. They show the fuse Ford Mustang Forum - 2000 Mustang GT fuse panel diagram? 2000 Mustang GT fuse panel diagram? Can anyone post a pic of the fuse panel diagram for a 2000 GT for me? My son and I spent all night last night trying to wire up an aftermarket stereo that he bought me for x-mas. After 3 hours and no results, we gave up for the night but when I put the factory one back in, I got nothing. NO power to it at all.