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Old 06-02-2012
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Re: Battery Charging Assistance

Figure out what you have, most likely the alternator output goes to the C post of the 1-2-B switch. Then try these improvements:

Basic Battery Wiring Diagrams This is a very good basic primer for boat system wiring: Basic Battery Wiring Diagrams [added 9/21/11]

[added 1/31/2012] This is another very good basic primer for boat system wiring: The 1-2-B Switch by Maine Sail (brings together a lot of what this subject is all about)
1/BOTH/2/OFF Switches Thoughts & Musings -

You should never have to leave your switch ON when you're away from the boat. The charger should be able to go directly to the house bank for charging.
Stu Jackson, C34, 1986, M25 engine, Rocna 10 (22#)
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