NOV 3, 2016...I ARRIVED HOME, BACKED MY 2013 JEEP WRANGLER 4DR MOAB EDITION INTO HER GARAGE BAY AND LEFT THE BAY DOOR OPEN SINCE IT WAS SUNNY OUT AND WENT UP TO THE HOUSE TO PREPARE DINNER. 20 MINS AFTER COMING HOME, WE HEARD A BOOM, LOOKED OUT TO SEE BLACK SMOKE POURING OUT THE OPEN GARAGE DOOR FOR OUR JEEP. MY HUSBAND RAN DOWN, USED A FIRE EXTINGUISHER ON THE FIRE AND THEN THE WATER HOSE, THEN PUSHED THE VEHICLE OUTSIDE THE GARAGE AND HOSED IT OFF MORE BEFORE THE FIRE DEPT ARRIVED. INVESTIGATION DETERMINED THAT THE FRONT WIRING HARNESS FOR THE HEADLIGHTS, FOG LIGHTS, TRAIL LIGHTS AND WINCH IS WHERE THE FIRE STARTED. THE EXPLOSION WE HEARD WAS A SMALL CANISTER BY THE RADIATOR FOR THE AC.