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Message: <blockquote data-quote="Alpine4life89" data-source="post: 6125544" data-attributes="member: 608801">my batter has been drained literally at least a dozen times since i got my car a year ago. My battery does however read 12.7v with the car off. I have no idea if it is in good working condition tbh.I know nothing about the big 3, lol. I did put a 4 gauge ground from from the battery to the frame though. That's it.I can't get my subs loud because every time i turn the gain up to a decent level my voltage drops below 11. And then the amps turn off. I know my amp is capable of pushing these subs alot harder, i just can't get it to work without significant voltage loss.</blockquote>

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