Sorry for bringing up a dead thread yet again, but this is exactly what I am trying to do. I have a 2012 Galant with the Rockford amp/speakers and the mmcs system. I'm trying to install a Pioneer 4200NEX and would like to keep the steering wheel controls. Can you send me the wiring diagram on how you have this setup? If I understand correctly you got steering wheel controls working and the stereo is using your rockford amp?
Last edited by markrodgers11; 03-25-2016 at 05:38 PM
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