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Message: <blockquote data-quote="Ffej" data-source="post: 8546757" data-attributes="member: 671187"><p>I think you might be right. I found out the amp thump was happening because my sub amp would not power down even when my coax amp was. They share a remote turn on lead, and have a common grounding point. With everything off my amp was still powered, so I removed the turn on lead and it stayed on. Next I unplugged the RCA's and noticed when I unplugged the top input jack, the amp powered down; plugged it back in, and the amp powered up again. I hope my HU isn't toast now. //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif</p></blockquote><p></p>

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