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<blockquote data-quote="Justinh722" data-source="post: 1116986" data-attributes="member: 545828"><p>You said you checked the RCA cables on the amp side. Does that mean u checked to make sure they were plugged in, or did you swap them out with a working pair and determined that wasnt the cause? Sounds like a faulty ground, whether it be in your RCA's, your head unit, or your ground wire itself.</p><p></p><p>Make sure the ground wire from the amp is connected to a metal surface making sure there is a metal to metal contact.......meaning no paint or plastic parts. Then, swap out your RCA's with a new or known working pair and see if it still does it. If it still does it after that, I would then take a look at your preouts on your HU.</p><p></p><p>What kind of head unit do you have? Some Pioneer units are known for having preout problems.</p></blockquote><p></p>
[QUOTE="Justinh722, post: 1116986, member: 545828"] You said you checked the RCA cables on the amp side. Does that mean u checked to make sure they were plugged in, or did you swap them out with a working pair and determined that wasnt the cause? Sounds like a faulty ground, whether it be in your RCA's, your head unit, or your ground wire itself. Make sure the ground wire from the amp is connected to a metal surface making sure there is a metal to metal contact.......meaning no paint or plastic parts. Then, swap out your RCA's with a new or known working pair and see if it still does it. If it still does it after that, I would then take a look at your preouts on your HU. What kind of head unit do you have? Some Pioneer units are known for having preout problems. [/QUOTE]
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