Problem With My 1995 Aurora-help!!!

I HAVE A 1995 AURORA AND WHEN I TURNED OFF THE IGNITION THE AC/HEATER BLOWER KEPT BLOWING.IT EVENTUALLY RAN MY BRAND NEW BATTERY DOWN.WE TOOK OUT THE HEATER FAN FUSES AND IT STILL KEPT RUNNING.THE LAST RESORT WAS TO DISCONNECT THE GROUND CABLE FROM THE BATTERY.THIS MORNING WE RECONNECTED THE CABLE AND NOW THE BLOWER DOESN'T WORK AT ALL! ANYONE HAVE ANY IDEA'S?? HELP PLEASE!!!:disappoin :disappoin