AC blown fuse on 2000 Volkswagen Jetta

Every time I turn the AC on the fuse blows. I did change out the blower motor. What is the most common problem.

Asked by for the 2000 Volkswagen Jetta
Hey Eddie,
What switch are you turning on to make the fuse blow?
IT turns out it was the AC switch pannel control IT comes as a complet assembly. thanks