TL* THE CONTACT OWNS A 2005 CHEVROLET SILVERADO. WHILE THE VEHICLE WAS PARKED WITH THE AIR CONDITIONER SET ON LEVEL FIVE, THE BLOWER INTERMITTENTLY CLICKED OFF AND ON. THE CONTACT ALSO STATED THAT A BURNING SMELL EMITTED THROUGH THE VENTS OF THE VEHICLE. THE FAILURE RECURRED ON SEVERAL OCCASIONS UNTIL LEVEL FIVE AND FOUR SETTINGS NO LONGER WORKED. THE CONTACT INSPECTED THE CONNECTOR SW/POWER ST ADJUSTER AND DISCOVERED THAT THE WIRES WERE MELTED. THE VEHICLE WAS TAKEN TO THE DEALER AND WAS NOT DIAGNOSED OR REPAIRED. THE DEALER INFORMED THE CONTACT THAT THE CONNECTOR AND RESISTOR FOR THE AIR CONDITIONER AND HEATER AND THE RESISTOR FOR THE HEATER NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 97,000.