After putting a fuse in for the fog-lights once you pull the *** for the fog lights it burns the fuse out instantly any help and suggestions would be helpful its a 15 amp fuse also its a 2001 a6 2.8 quattro

 

short and simple short

 

is this going to cost a lot to get fixed???

 

I had the same problem. For ME, it was one of the bulb wires was touching the metal housing, causing a spark and blowing the fuse. Just pop out your fog lights and see if there is any burnt wires. I tried moving the offending wire, black taping it...never solved it. New bulbs did.