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Prius High-Pitch Sound Post-Install
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<blockquote data-quote="pokeyouindaeye" data-source="post: 8711129" data-attributes="member: 678644"><p>Shielded twisted-pair RCAs did not.</p><p></p><p>Haven't tried grounding the HU chassis yet. Also going to re-try ground loop isolator on the HU outputs, rather than on the amp inputs. Last resort is manually re-grounding the outer ring on the RCA outs of the HU to the HU chassis or some ground... seems ridiculous, considering this is a new Kenwood Excelon head unit.</p><p></p><p>I've tried everything, shouldn't be having this many issues... going after Kenwood for a warranty solution at this point. I highly suspect it's an internal circuitry bad grounding issue with the RCA outs.</p></blockquote><p></p>
[QUOTE="pokeyouindaeye, post: 8711129, member: 678644"] Shielded twisted-pair RCAs did not. Haven't tried grounding the HU chassis yet. Also going to re-try ground loop isolator on the HU outputs, rather than on the amp inputs. Last resort is manually re-grounding the outer ring on the RCA outs of the HU to the HU chassis or some ground... seems ridiculous, considering this is a new Kenwood Excelon head unit. I've tried everything, shouldn't be having this many issues... going after Kenwood for a warranty solution at this point. I highly suspect it's an internal circuitry bad grounding issue with the RCA outs. [/QUOTE]
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