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Message: <blockquote data-quote="psych0ticnemes1" data-source="post: 8287972" data-attributes="member: 560430"><p>It definitely sounds like voltage issues across the board. Your rear battery should be grounded to your front battery ideally. I would remove the back battery for now and put a dmm at the amp + and -, and play with the system while the car is running and see if each amp is seeing proper voltage. My bet is that at least one of them isn't. You need to make sure all of your connections are sound and not corroded. I was seeing a .5v dip and couldn't figure out why. It ended up being a little grime on my back battery's terminals. I gave them a wipe down and a quick scuff with a wire brush and I was back in business.</p></blockquote><p></p>

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