TL* THE CONTACT HAS A 2002 GMC ENVOY. THE CONTACT STATED THAT THE MASTER SWITCH BURNED OUT ON THE VEHICLE. THE DEALERSHIP TOLD THE CONTACT THIS PART HAS BEEN FAILING ON MANY OF THESE VEHICLES AND THE PART IS ON BACK ORDER, SO THE VEHICLE CAN NOT BE REPAIRED AT THIS TIME. THE FAILURE MILEAGE WAS 76500 AND THE CURRENT MILEAGE WAS 77000. THE VIN WAS UNAVAILABLE.