Sorry, i maybe cross threading.... i have a 99 audi A4 1.8T Quattro. 3 nights ago i was driving home and noticed my signal lights, fog lights, wiper blades, and my heating system were not working. right before i got home everything started to work. today is the 3rd day and im still having the problem. im thinking it is a short somewhere but i am not sure and im seeking advice. Please Help