FIRE IN 2000 FORD F-150 PICKUP TRUCK. PARKED VEHICLE IN DRIVEWAY. FIVE MINUTES LATER TRUCK WAS SEEN ON FIRE. HAD 46000 MILES ON ODOMETER. FIRE ORIGIN AT BRAKE MASTER CYLINDER. SPEED CONTROL DEACTIVATION SWITCH STILL IN POSITION BUT FIRE DAMAGED. XRAYS OF PLASTIC SWITCH HEAD SHOW ONE CONTACT TOTALLY DESTROYED BY ELECTRICAL ARCING. FUSE FOR THE SCDS WAS BLOWN AFTER THE FIRE. *AK