PULLED MY 1998 F150 4X4 XLT SUPERCREW INTO MY DRIVEWAY, TURNED EVERYTHING OFF AND EXITED THE VEHICLE AND ENTERED MY HOUSE. THREE HOURS LATER, I WENT TO GAIN ENTRY TO MY TRUCK AND WHEN I OPENED THE DOOR, SMOKE BILLOWED OUT. IT MELTED MY INSTRUMENT PANEL FROM JUST ABOVE STEERING WHEEL TO THE DRIVERS DOOR. A WIRING HARNESS WAS ON FIRE AND BURNT CLEAR TO DRIVER SIDE RUG. ALL THE COATING WAS BURNT OFF THE HARNESS AND WAS IN FLAMES. I BURNT MY FINGERS TRYING TO GET IT OUT. THERE WERE SPARKS COMING FROM IT. I THEN DISCONNECTED THE BATTERY TERMINALS AND GOT THE FIRE UNDER CONTROL. *TR