JOHN. THE MICROSWITCHES UNDER THE RADIO BOX MAY HAVE COME DISCONNECTED. THERE ARE 2, THE UPPER ONE IS ACCESSABLE THRU RADIO BUT THE LOWER ONE CAN ONLY BE GOTTEN TO IF YOU REMOVE THE LOWER 4X FLASHER AND RECIRCULATE, DEFROSTER BUTTONS. IF THE UPPER ONE WAS REMO... Login to read more.