I transferred the unit from my truck into my wife's Suburban and now there is no sound. The 2000 Suburban has onstar, does that make a difference? There is sound coming from the unit, but not to the speakers. I checked all connection and nothing is wrong. Do I need something else or a different harness for the Suburban? I am using the same harness I had hooked up for my 1999 Silverado.
Thanks,
Mark