Quote Originally Posted by brettw View Post
Guys
Thanks for your help.
Could the unified ground wire have anything to do with it?
Boat has starting , and 2 deep cycle batts. All grounds tied together .

Thanks again


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I might have missed it but is this a 12V or 24V system? I do not understand the "All grounds tied together" What type of charger is on this type battery pairing. Dont sound right to me. May not be related.