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Old 02-05-2006, 05:00 PM
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Not to compicate this thread, but how about adding a third battery? For 2 years I've had two batteries with just a simple isolator switch between the two. They worked great overall and no problems with the alternator. But last year, I added a 5th amp to the mix and I'm almost positive I'm overtaxing the Optima that is supposed to run the stereo. If I add another Optima, would it be okay to just wire those two together, or should I isolate them as well?
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