Got home at 9AM, got on the boat at 9:30, was checking battery cables and found my ground cable had a loose end and a little corrosion in the end, cut it off installed a new end and heatshrink on it, reconnected it and 10 minutes later had it running
, The cable didnt feel that loose the other day, but I tugged on it a little harder this morning and found it was loose..
Thanks to all who responded, it gave me some great places to start looking, just happy it wasn't anything more involved