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head unit cause engine whine
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<blockquote data-quote="helotaxi" data-source="post: 2858263" data-attributes="member: 550915"><p>^^^Grounding the RCA shields doesn't fix every problem. It fixes a specific problem that plagues Pioneer HUs.</p><p></p><p>Bypass the EQ and run RCAs straight to the amps. If the noise is gone the EQ is the problem. It might be bad. If the noise is still there, try new RCAs to rule out damaged cables. Just use a cheap set to see if they're the problem before replacing whatever you already have.</p></blockquote><p></p>
[QUOTE="helotaxi, post: 2858263, member: 550915"] ^^^Grounding the RCA shields doesn't fix every problem. It fixes a specific problem that plagues Pioneer HUs. Bypass the EQ and run RCAs straight to the amps. If the noise is gone the EQ is the problem. It might be bad. If the noise is still there, try new RCAs to rule out damaged cables. Just use a cheap set to see if they're the problem before replacing whatever you already have. [/QUOTE]
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