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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 - SailboatOwners.com

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.
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Stu Jackson, C34, 1986, M25 engine, Rocna 10 (22#)
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