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<blockquote data-quote="phish368" data-source="post: 2159092" data-attributes="member: 570654">I&#039;m pretty sure I have a ground issue.&nbsp; When i have my car turned on my front right tweeter whines when I accelerate (im told is caused by the alternator and grounding).&nbsp; I checked my amps and they are definitly grounded.&nbsp; I&#039;ve replaced the RCA cable going from my processor to my amps and still have the same whine.&nbsp; I pulled out the speaker wire from my amp to the front right tweeter and had it outside my car (to make sure the speaker wire wasent getting any interference) and im still getting the whine.&nbsp;&nbsp; I pulled the power plug from my processor and i still hear the whine from the speaker.&nbsp; &nbsp; Any ideas on what I could do to investigate more?Can I use a voltmeter to see if the grounds are correct on the amps? if so, does anyone know how to do that? I&#039;ve only used a volt meter to set my amps gains.thanks guys</blockquote>

[QUOTE="phish368, post: 2159092, member: 570654"] I'm pretty sure I have a ground issue. When i have my car turned on my front right tweeter whines when I accelerate (im told is caused by the alternator and grounding). I checked my amps and they are definitly grounded. I've replaced the RCA cable going from my processor to my amps and still have the same whine. I pulled out the speaker wire from my amp to the front right tweeter and had it outside my car (to make sure the speaker wire wasent getting any interference) and im still getting the whine. I pulled the power plug from my processor and i still hear the whine from the speaker. Any ideas on what I could do to investigate more? Can I use a voltmeter to see if the grounds are correct on the amps? if so, does anyone know how to do that? I've only used a volt meter to set my amps gains. thanks guys [/QUOTE]

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