WE WERE NOTIFIED BY POLICE AND FIRE DEPARTMENT OFFICIALS THAT THERE WAS A FIRE IN OUR YARD. OUR FORD 250 WAS ON FIRE AND HAD NOT BEEN DRIVEN FOR AROUND 4 HOURS. UPON INVESTIGATION THE FIRE MARSHALL INDICATED THE LOCATION OF WHERE THE FIRE BEGAN AND PRESUMED IT WAS THE BRAKE PRESSURE SWITCH BASED ON ITS LOCATION. THE CAR HAS BEEN TOTALED AND CAUGHT ANOTHER VEHICLE ON FIRE NEXT TO IT.