TL*THE CONTACT OWNS A 2008 DODGE RAM 5500. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 10 MPH, THE VEHICLE STARTED SMOKING FROM UNDER THE HOOD AND ELECTRICAL SYSTEM FAILED. THE VEHICLE CAUGHT FIRE AND ALL WARNING INDICATORS WERE ILLUMINATED CONTINUOUSLY. THE ENGINE STALLED BUT FAILED TO RESTART. THE VEHICLE WAS TOWED TO A DEALER BUT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 20,000.