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>Are both batteries the same? If so, alternate between the 2 like >they said above. If one is a starting and the other a deep cycle - >then it's clear. BUT, I can tell you this: on MY Perko switch, only >the battery it's switched to will charge when running. So, if you >do have 2 different batts, you need to be sure that you >recharge that starting batt before you switch it to the deep >cycle - if you have the standard old style setup like I do.
My setup is Battery #1 is a starting battery- #2 is a deep cycle. I am almost positive that the alternator will only charge the battery you select.....not both, unless you go to ALL. Unfortunately, I believe the way mine is wired, ALL will put both batteries in parallel which is not good for charging. I will plan on alternating between #1 and #2 during my trips to keep both well charged - I always check them with a handheld voltmeter anyways.
Thanks for all the info!
Jim
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