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Should bow battery bank share negative with starting battery?
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<blockquote data-quote="C&amp;amp;K" data-source="post: 495834" data-attributes="member: 30707"><p>The only reason to hook them together is if you want to run a charging circuit from your starting system, charged by the alternator on the outboard, to the trolling system. We have this in our Alumacraft Pro 17 and there’s a switch on the panel that connects the two battery systems. In our boat the starting battery powers the nav lights, deck lights, radios and electronics. If we’re out walleye fishing at night the trolling motor bank has more power than the starting battery, so connecting the two with the switch takes the load off the starting battery to power the rest of the boat. And also charges the trolling bank with the outboard when it’s running.</p><p></p><p>So there is some valid reasons to be able to connect them together. But just the ground wire by itself between the two will accomplish nothing.</p></blockquote><p></p>
[QUOTE="C&K, post: 495834, member: 30707"] The only reason to hook them together is if you want to run a charging circuit from your starting system, charged by the alternator on the outboard, to the trolling system. We have this in our Alumacraft Pro 17 and there’s a switch on the panel that connects the two battery systems. In our boat the starting battery powers the nav lights, deck lights, radios and electronics. If we’re out walleye fishing at night the trolling motor bank has more power than the starting battery, so connecting the two with the switch takes the load off the starting battery to power the rest of the boat. And also charges the trolling bank with the outboard when it’s running. So there is some valid reasons to be able to connect them together. But just the ground wire by itself between the two will accomplish nothing. [/QUOTE]
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Should bow battery bank share negative with starting battery?
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