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View Full Version : Please Help Audi 100 c3 rear de-mister blowing fuses!!!



Schmall fella
17-03-2010, 09:46 PM
Hi all, I have a problem with the rear window de-mister on my 1991 Audi 100 C3, every time I put on the switch it works for a minute and then blows the fuse. I've checked all the wiring I can get at without stripping the whole car and I've found no breaks. I've changed the switch with several other spares but no joy. my rear fog lamps don't work either and I've done the same as above but no joy on that either. Apart from changing the entire wiring loom to the rear can anyone suggest what might be happening?