Interior Fuse Box Location: 1994-2004 Ford Mustang 2004 Click to view0:17The video above shows how to replace blown fuses in the interior fuse box of your 2004 Ford Mustang in addition to the fuse panel diagram location. Electrical components such as your map light, radio, heated seats, high beams, power windows all have fuses and if they suddenly stop working, chances are you have a fuse is there a fuse box in a 1968 ford mustang and where is it Jul 07, 2007Is there a fuse box in a 1968 ford mustang and where is it located - Answered by a verified Ford Mechanic. 1998 Ford Mustang: fuse box low beams beams. I have a 1998 Ford Mustang and need to know where the fuse box is on the car. My low beams are not working but both high beams work.