[Ozarkguy]

Was the alternator upgrated to a larger capacity at any point.. just wondering.. The latest fix from industry and the marine world is the installation of a smart isolator which includes a relay that shuts down the system untill the over charge or draw issue is resolved.. you can google smart battery isolator and battery seperator... here is an example...
http://www.texasindustrialelectric.com/p...15_200.pdf You might get with an electrician to figure out the requirements... The marine industry is pretty up on this as fires on boats are a really bad deal as I'm sure yours was also...