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Old 03-10-2014, 04:24 PM
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Kweisner Kweisner is offline
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Join Date: Oct 2012
Boat: 2007 Prostar 197
Location: Southeast
Posts: 400
The Official Dual Battery Thread

^ If you are referring to the original setup posted by Diesel on page 1, then yes, that is the basic premise. If you read back in this thread you will see there are those folks that say once you join the drained AUX/house battery with the starter battery, there is a chance that the starter batt will be drained by the house batt. Technically this is true.

Practically speaking, the period of time between when the batteries are coupled and the starter is engaged is going to be less than a second or two, so I don't know if this is a legit concern. I have the isolator setup, and so far, I've never had a starting issue and I enjoy not worrying about switch positions, my memory, etc.
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