TL* THE CONTACT OWNS A 2010 FORD F-150. THE CONTACT STATED THAT THE AIR CONDITIONER SUDDENLY FAILED AND A BURNING ODOR WAS PRESENT. THE CONTACT DISCOVERED THAT A PLUG ATTACHED TO THE RESISTER WIRE HAD MELTED. THE FAILURE OCCURRED ON FOUR SEPARATE OCCASIONS. THE CONTACT REPLACED THE PLUG, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 130,000.