SPONTANEOUS COMBUSTION. FIRE INSPECTOR/INVESTIGATOR REPORTS FINDING ELECTRICAL CHARGE THAT HAPPENED IN BUNDLE OF WIRES LEADING TO HEATER CONTROLS "LEAVING NOTHING MORE THAN THE END OF THE FUSED WIRES THAT WERE CONNECTED TO IT." TOYOTA 4RUNNER WAS QUICKLY AND COMPLETELY ON FIRE DUE TO AN "ELECTRICAL FAILURE AND/OR SHORT.*JB