tbeats Posted August 25, 2014 Report Share Posted August 25, 2014 Ok so the car is a 2011 scion tc the power for two amps two runs of 4 gauge was ran down the passenger side that also has the antenna on the same side at the rear of the car. Could this be causing a ground loop? When I plug the antenna in to my kenwood aftermarket touch sreen I get alt whine that goes up with the rmp . Unplug the antenna and its gone. Link to comment Share on other sites More sharing options...
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