2010 ITASCA SUNCRUISER Electrical System Problems

THIS MAY BE TOO OLD FOR YOU TO CARE. BUT RECENTLY I WAS TOLD THAT I SHOULD WRITE YOU. I HAVE ATTEMPTED TO ATTACH A PICTURE OF A 1/0 WIRE WITH ABOUT 4 INCHES OF IT INSULATION MELTED AWAY OR BURNT. THE WIRE IS DIRECTLY CONNECTED TO THE ENGINE STARTING BATTERIES. THE RIG IS A FRONT ENGINE DIESEL CHASSIS (FRED). WHEN WINNEBAGO MANUFACTURED MY RIG THEY BASICALLY COBBLED IT FROM THEIR DESIGN ON A FORD GASOLINE CHASSIS. THE FRED L NEEDS ENGINE STARTING BATTERIES IN THE ENGINE COMPARTMENT, WHILE THE FORD COULD START WITH THE BATTERIES UNDER ENTRANCE STEPS, NEXT TO THE HOUSE BATTERIES. TO MAKE THIS ADJUSTMENT WINNEBAGO RAN THE AFOREMENTIONED 1/0 WIRE BETWEEN THE NEW LOCATION FOR THE ENGINE STARTING BATTERIES TO THE HOUSE BATTERIES. THE PROBLEM IS THAT THEY RAN THE WIRED BETWEEN A 3 INCH GAP BETWEEN THE EXHAUST AND THE FRAME. PERHAPS THEY THOUGHT THEY...