help! no power to blower, a/c.
 

hey everyone, i have a 1988 635 l6. the blower/ ac and side mirrors were all working and than pop. they stopped. i checked all fuse and they all test good. i have heard of a transistor going bad and no power, but would that affect the side mirrors too. i turn the air switch nothing. i push the ac switch nothing. i push the side mirror switch nothing. help! anything will be helpful.