TL* THE CONTACT OWNS A 2006 FORD F-250. THE CONTACT STATED THAT WHILE DRIVING 70 MPH, THE VEHICLE STALLED WITHOUT WARNING CAUSING THE DRIVER'S SIDE REAR TO CRASH INTO A GUARD RAIL. THE CONTACT SUSTAINED NECK INJURIES. NO POLICE REPORT WAS FILED. THE VEHICLE WAS TAKEN TO DEALER FOR DIAGNOSIS WHERE IT WAS ADVISED THAT THE ALTERNATOR NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED BUT THE PROBLEM PERSISTED. THE MANUFACTURER WAS NOT NOTIFIED. THE VIN WAS NOT AVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 1,000. *TR