my 95 buick park ave

i drove my car all day then on my last stop at the bakery when i killed the engine and removed the key the air went from blowing out the dash vents to blowing out the windshield and floor vents. the car was off and the key was out. can anyone help me with some trouble shooting, i dont want my battery dying or anything. if anyone has experenced this before and knows how to fix it id love to hear about it. thanks alot

Welcome to AF, the blower power module/relay is bad.

i heard that once b4... sounds like thats it. thanks a million

You can pull the electrical connector from the fan, or pull the fuse marked A/C, located in the fuse/relay panel mounted on the firewall to disable the fan until you can get a new blower module. If you want, you can PM me, Click Here (http://www.automotiveforums.com/vbulletin/private.php?do=newpm&u=297374) concerning where to get a new ACDelco module for 1/2 the dealer price.