Quote:
Originally Posted by aod
Update: It needed ground loop isolators. Once those were placed inline, it took care of all the popping issues as well as alternator whine. It seems like a kludge to me, but the system sounds good now. Thanks for all the ideas and help!
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Well that pretty much proves the harness you bought is a poor design and that the claim about comparability is false. A well designed adapter would have included isolation (either optical or transformer)
AND they would have actually plugged it into a Bose system and found the noise issues.
It comes as no surprise to me that just running a single ended source into a differential amp input would have issues. Apparently this is what the harness tries to do. Pretty fly-by-night if you ask me.