MY 1997 DODGE RAM 3500 WAS STARTED AND IDLING WHILE MY DAUGHTER RAN TO THE BARN TO GET SOMETHING. UPON HER RETURN (@3 - 5 MINUTES), THE CAB WAS FULL OF SMOKE. SHE JUMPED IN AND TURNED THE TRUCK OFF AND NOTICED FLAMES AT HER FEET; STOMPED THEM OUT AND CALLED 911. TRUCK WAS TOTALLY ENGULFED IN FLAMES WHEN FIRE DEPT. ARRIVED (WE LIVE LESS THAN 2 MILES FROM F.D.) INVESTIGATION BY FIREMEN SAID "ELECTRICAL FIRE". *NM