I’m wanting to install a second alternator in my 6.7 liter, 3500 dually megacab and looking for tips on alternator type, whether to install it standalone, and the cable path for two high ampacity 1/0 cables.   I tow a big 42’ 5th wheel with an extra, dual hitch 10’ trailer behind the RV, with self turning trailer wheels (Idaho tote). On the tote is an electric golf cart, 12’6” zodiac type inflatable boat with outboard, and bicycles. We are experienced RVers with 70,000 miles and 42 sta