2002 FORD WINDSTAR: THE BRAKE PRESSURE DIFFERENTIAL DEACTIVATION SWITCH (2B264) LOCATED UNDER THE MASTER CYLINDER (BEHIND THE AIR FILTER) OVER TIME DEVELOPED A LEAK THAT LEAD TO A FIRE. THE LEAKY SWITCH AT WORST CAUSES A FIRE AT THE POINT WHERE IT CONNECTS TO THE ABS ECM MODULE. THE CAR WAS OFF. I WAS STANDING NEARBY WHEN A BIG POP AND A GREAT DEAL OF SMOKE STARTED COMING OUT FROM UNDER THE CAR. WHEN I LOOKED UNDER THE CAR, THERE WAS A SMALL FIRE. I USED A FIRE EXTINGUISHER TO PUT THE FIRE OUT. *TR