VEHICLE WAS IN HOUSE GARAGE AND DID NOT START. CONSUMER CONTACTED AAA PERSON WHO TRIED TO JUMP WITH BATTERY. THEN, SMOKE WAS COMING FROM SEAT BELT HOLE WHERE DISCONNECTED BATTERY CABLE WAS LOCATED. INSURANCE STATED THAT FIRE WAS DUE TO A BROKEN WIRE FROM POST INTO DOOR WHERE HOT WIRE GROUNDED AND STARTED FIRE.*AK