MY FORD F350 SUPERDUTY QUAD CAB LARIAT LE DIESEL HAD BEEN SITTING IN MY BACK YARD FOR ABOUT 5 HOURS WITH THE BLOCK HEATER PLUGGED IN. I HEARD AN EXPLOSION AND LOOKED OUT THE WINDOW. THE FRONT OF MY TRUCK WAS ON FIRE. THE FIRE CONSUMED THE INTERCOOLER, AIR CONDITIONER EVAPORATOR AND ALL THE HEADLIGHTS, GRILL, RUBBER ON THE BUMPER AND ALL PLASTIC, RUBBER PARTS, WIRING, HOSES UNDER THE HOOD INCLUDING BOTH BATTERIES. *TR