ON DECEMBER 5, 2018, MY 2014 FORD F-150 FX4 CAUGHT FIRE AT THE BOTTOM OF MY DRIVEWAY. I WENT OUT TO START MY TRUCK TO TAKE THE GARBAGE TO THE ROAD FOR PICKUP. I PUT THE TRUCK IN PARK AND BEGAN TO UNLOAD THE GARBAGE FROM THE BACK OF TRUCK. AFTER UNLOADING THE LAST BAG, I NOTICED SMOKE COMING FROM UNDER THE HOOD, BY THE TIME I WENT TO POP THE HOOD SMOKE AND ALREADY TAKEN OVER THE CAB AND A FIRE HAD STARTED UNDERNEATH THE PASSAGER SIDE DASHBOARD. I RUSHED TO CALL 911, BY THE TIME THE FIRE DEPARTMENT ARRIVED THE TRUCK WAS A TOTAL LOSS. THE HEATER STOPPED WORKING MOMENTS BEFORE THE FIRE AND THE FIRE DEPARTMENT RULED IT AN ELECTRICAL FIRE, LIKELY FROM THE HEAT SOURCE.