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Old 01-30-2013, 04:02 PM   #8
dirty vert
Registered User
Join Date: Oct 2012
Location: North Texas..Dfw
Posts: 266
My Ride: 2001 330ci
I have always run a ground wire (in connection with the hu ground) to the amp ground point as well as seperate rca's from nearby power wires.
You can have a differential from the hu ground to the amp ground and this will cause issues.
So, to make things clear- connect the hu ground to it's ground wire and the extra wire that will run to the amp grounding point... this will solve the differential of voltage.
I hope this will work for you, if not.... then I'm at a loss too.
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