Sup folks,
I just installed a Avic-D3 in my wife's 2005 Nissan Maxima, and the front and rear door speakers are wired directly to the head
unit (Those work perfectly fine no issues), however I installed new 6x9's in the rear deck lid which required an amp, and I'm getting this weird interference noise. When I unplug the rca's at the amp the noise stops which leads me to believe that the unit is possibly trying to ground through the sheilds of the rca's????? What I noticed during the install was; the ground lead on the aftermarket plug-in wiring harness did not work, so I grounded the wir
