2 WIRES CONNECTED TO THE BRAKE LIGHT SWITCH, ON THE BRAKE PEDAL, SHORTED TOGETHER. AT THIS POINT THE WIRE INSULATION AND SHEATHING BEGAN TO MELT AND BURN FILLING THE PASSENGER COMPARTMENT WITH SMOKE. THE ONLY WAY I COULD STOP IT WAS TO DISCONNECT THE CAR BATTERY. THE 15 AMP FUSE FOR THE BRAKE LIGHTS DID NOT BLOW!! I HAVE SAVED THE 2 INCH SECTION OF WIRING THAT WAS BURNED AND MELTED.