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<blockquote data-quote="PaulD" data-source="post: 4662295" data-attributes="member: 589636">I love your insightful rebuttals .....The question was about SQ systems ... I have yet to see one with more than one 1/0 power wire.And mokedaddy, when was the last time you had engine noise with the engine off.&nbsp; The battery is NOT the source of power for the vehicle when the engine is turned on.&nbsp; Honestly though, I have not had engine whine problems since like the early 90&#039;s (turned out to be a crappy component), so I don&#039;t have to check for ground loops.&nbsp; There are ways to find if spots are going to be noisy ground spots or RCA paths.&nbsp; Since you guys seem to be such experts, perhaps you could enlighten the CA.com community on how to detect or avoid grounds loops and alternator whine (without running 8-10 runs of 1/0 Ga wire to the neg batt post), which is way out of the cost and complexity range the average guy is willing to do.</blockquote>

[QUOTE="PaulD, post: 4662295, member: 589636"] I love your insightful rebuttals ..... The question was about SQ systems ... I have yet to see one with more than one 1/0 power wire. And mokedaddy, when was the last time you had engine noise with the engine off. The battery is NOT the source of power for the vehicle when the engine is turned on. Honestly though, I have not had engine whine problems since like the early 90's (turned out to be a crappy component), so I don't have to check for ground loops. There are ways to find if spots are going to be noisy ground spots or RCA paths. Since you guys seem to be such experts, perhaps you could enlighten the CA.com community on how to detect or avoid grounds loops and alternator whine (without running 8-10 runs of 1/0 Ga wire to the neg batt post), which is way out of the cost and complexity range the average guy is willing to do. [/QUOTE]

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