battery hook ups question .
Right now my boat set up with starting battery running everything (starting outboard motor , pumps , lights , 2 - big 10'' Humminbirds ). Trolling motor 24 volt on it's own 2 batteries . After a while one of by 10'' birds goes off when I start outboard .
Now the question . Would it be alright to start off one of the 12 volt batteries ( 2 LINKED FOR 24 VOLT ) that are running troller or should I install a battery just to start the out board .I would leave 3rd battery for Humminbirds , pumps , lights . 4 batteries is a lot of weight . I think as long as just hooked to one of the pair for troller it should not hurt but thought I should ask . May add 4th battery later any way if I start running 3 big Humminbirds .
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