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Old 06-26-2013, 02:52 PM
jj_phx jj_phx is offline
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Join Date: Jun 2013
Boat: MASTERCRAFT 2001 X-star
Location: west
Posts: 74
installing new battery

when installing dual batteries do you need them next to each other or can one be at the end of the boat and one in the center?
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Old 06-26-2013, 03:41 PM
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onewheat onewheat is offline
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Join Date: Mar 2007
Boat: 2013 Mastercraft X-25 with the awesome 6.2
Location: BG, KY
Posts: 731
They can be wherever the wires are run. There is no need to have them next to each other.

2013 X-25
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Old 06-26-2013, 03:54 PM
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bturner2 bturner2 is offline
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Join Date: Mar 2008
Boat: Maristar 200VRS w/ X2 Package, 2007, 310HP
Location: Brighton, MI
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I've always been told to keep them as close as possible to avoid ground voltage differential issues. If you connect the ground of the two batteries together over a distance there will be additional resistance in the cable between the two batteries. This can cause a floating or difference in a the reference ground which can lead to all types of screwy problems.

I'm sure Earmark or JimN will chime in with a more correct answer.
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