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<blockquote data-quote="crow" data-source="post: 2401704" data-attributes="member: 568415">Try running each amp individually to see if you can isolate the problem.&nbsp; Check the ground connections from the amps to the chassis to be sure it is attached to clean bare metal.&nbsp; If it is hooked to a seat belt bolt or some similar spot or there is paint on the area you grounded to you may not be getting a good connection.&nbsp;&nbsp; Check the ground to the head unit as well.&nbsp; You could also try running a different set of RCA cables to see if there is a problem there.As glOck said, you can also try a ground loop isolator.&nbsp; I&#039;ve tried one before with kind of mixed results.&nbsp; They are fairly cheap though so it might be worth a shot.<a href="http://www.crutchfield.com/S-7M1DRA5f30w/cgi-bin/ProdView.asp?g=181150&amp;amp;I=127SNI1" target="_blank">http://www.crutchfield.com/S-7M1DRA5f30w/cgi-bin/ProdView.asp?g=181150&amp;amp;I=127SNI1</a>Good luck!&nbsp; Noise in the system is a drag.</blockquote>

[QUOTE="crow, post: 2401704, member: 568415"] Try running each amp individually to see if you can isolate the problem. Check the ground connections from the amps to the chassis to be sure it is attached to clean bare metal. If it is hooked to a seat belt bolt or some similar spot or there is paint on the area you grounded to you may not be getting a good connection. Check the ground to the head unit as well. You could also try running a different set of RCA cables to see if there is a problem there. As glOck said, you can also try a ground loop isolator. I've tried one before with kind of mixed results. They are fairly cheap though so it might be worth a shot. [URL="http://www.crutchfield.com/S-7M1DRA5f30w/cgi-bin/ProdView.asp?g=181150&I=127SNI1"]http://www.crutchfield.com/S-7M1DRA5f30w/cgi-bin/ProdView.asp?g=181150&I=127SNI1[/URL] Good luck! Noise in the system is a drag. [/QUOTE]

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