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<blockquote data-quote="jrwalte" data-source="post: 4565323" data-attributes="member: 584454"><p>Yes it can be used as an aux. It's AUX1 and the one behind the HU is AUX2. It doesn't sound like a pico issue. If it is was, you'd still be getting your sound, it would just have a nasty alternator whine in it. It's possible you also did pop your pico and when you resolve this issue you will have alt whine, though.</p><p></p><p>You need to diagnose.</p><p></p><p>Double check all your grounds and make sure they are tight.</p><p></p><p>How is your amp grounded? It's possible you have a weak ground and the RCAs are being used as the ground sometimes.</p><p></p><p>Does the amp turn on?</p><p></p><p>Connect another audio device to the amp to see if it plays.</p><p></p><p>Remember to not swap any RCAs while the HU is on. That can pop your pico.</p></blockquote><p></p>
[QUOTE="jrwalte, post: 4565323, member: 584454"] Yes it can be used as an aux. It's AUX1 and the one behind the HU is AUX2. It doesn't sound like a pico issue. If it is was, you'd still be getting your sound, it would just have a nasty alternator whine in it. It's possible you also did pop your pico and when you resolve this issue you will have alt whine, though. You need to diagnose. Double check all your grounds and make sure they are tight. How is your amp grounded? It's possible you have a weak ground and the RCAs are being used as the ground sometimes. Does the amp turn on? Connect another audio device to the amp to see if it plays. Remember to not swap any RCAs while the HU is on. That can pop your pico. [/QUOTE]
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