TL* THE CONTACT OWNS A 2006 GMC ENVOY. THE CONTACT STATED THE AIR CONDITIONER WAS ACTIVATED AND THERE WAS AN ABNORMAL BURNING ODOR. THE VEHICLE WAS TAKEN TO A LOCAL REPAIR FACILITY WHERE THE MECHANIC ADVISED THAT THE HARNESS SWITCH HAD OVERHEATED AND BURNED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT CONTACTED. THE VIN WAS UNAVAILABLE. THE FAILURE MILEAGE WAS 117,450.