TL* THE CONTACT OWNS A 2006 GMC ENVOY XL. THE CONTACT STATED THAT THE POWER WINDOWS AND POWER LOCKS FAILED INTERMITTENTLY. THE CONTACT ALSO STATED THAT THE WINDSHIELD WIPERS WOULD INDEPENDENTLY OPERATE WHEN THE SWITCH WAS IN THE OFF MODE. IN ADDITION, THE CONTACT SMELLED A BURNING ODOR. THE DEALER DISCOVERED THAT THE WINDOW SWITCH WAS BURNED. THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 14V404000 (ELECTRICAL SYSTEM); HOWEVER, THE PART NEEDED FOR THE REPAIR WAS UNAVAILABLE. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOTIFIED. THE FAILURE MILEAGE WAS UNAVAILABLE.