Where is the heater fan motor on a 1999 Kia Sephia?

MY WIFE HAS A 99 Kia SEPHIA. SHE HAS HAD NOTHING BUT BAD LUCK OUT OF IT. ANYWAY THE HEATER MOTOR IS LOCATED UNDER THE DASH,RIGHT BELOW THE GLOVE BOX. I HAVE TO BEAT ON HERS WITH A RUBBER MALLET TO GET IT TO WORK.