I have the avic x920bt currently in my Silverado. I have the harnesses for the steering wheel controls, Constar and xm that work with this radio. Unfortunately the rear channels have died so I am considering upgrading to the 4100nex head unit. Will my existing harnesses and xm tuner work so I only have to buy the radio?
I stopped by an audio shop in Memphis today and the sales guy said it would be a simple plug and play install with all of the existing wiring/harnesses? I'm not sure so I wanted to ask. It would be great to not have to buy those over again. He said since they were all