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Engine whine from new install - Alpine 7897 HU - 2012 Avalon
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<blockquote data-quote="LordX" data-source="post: 8177226" data-attributes="member: 613621"><p>Ok, the RCA's are much easier to disconnect from the exposed amps than from the radio obviously - so disconnecting the RCA's from the AMPs should suffice for this test right?</p><p></p><p>The power/grounds and rcas are run on two diff sides of the car.</p><p></p><p>Amps are mounted to the Sub Box itself - not to the car.</p><p></p><p>PS - the whine ONLY happens when the engine is started. If I have the engine off and listen to the system - it is pristine.</p><p></p><p>PPS - the whine occurs even with the head unit OFF. Doesn't this rule out the amp by default since it shouldn't power on?</p></blockquote><p></p>
[QUOTE="LordX, post: 8177226, member: 613621"] Ok, the RCA's are much easier to disconnect from the exposed amps than from the radio obviously - so disconnecting the RCA's from the AMPs should suffice for this test right? The power/grounds and rcas are run on two diff sides of the car. Amps are mounted to the Sub Box itself - not to the car. PS - the whine ONLY happens when the engine is started. If I have the engine off and listen to the system - it is pristine. PPS - the whine occurs even with the head unit OFF. Doesn't this rule out the amp by default since it shouldn't power on? [/QUOTE]
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Engine whine from new install - Alpine 7897 HU - 2012 Avalon
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