Ok well right now in my 1999 A4 1.8T Quattro i have a mini disc installed and obv i dont listen to that so i took it out and tried to install my jvc cd player..the cd player works for like 2 minutes and then next thing u know is.. the climate control.. cd player.. heated seats.. and everything just completely stops working because as i found out the fuse is blown

i tried installin another cd player and same problem

is this only in my a4 or is this ridiculous problem with a lot of others too? ty

alsoif anyone does have any help or suggestion on what i can do pls tell me ty