TRON Posted August 9, 2014 Report Share Posted August 9, 2014 So what do you guys with this setup do with the head unit? Going in to my 07 Avy, I'm planning on using Bluetooth from a iPad to the 360.3, so no head unit needed. What do I do with the factory radio harness? Leave it connected to nothing? Will my chimes and On-Star still work? I have the crazy big harness for my head unit to retain all of the stock features. Should I just keep the head unit in a go from iPad to h/u to 360.3? Avalanche Alpine Type S comps Alpine Type S 10'' Alpine MPR-F300 Alpine MRX-M50 Mechamn 270 XS Power d3400s Link to comment Share on other sites More sharing options...
Pasta Prime Posted August 14, 2014 Report Share Posted August 14, 2014 If its like the 05 Sierra I installed a headunit in you are probably going to loose chimes and onstar if the harness is unplugged because if I'm not mistaken the chimes play through the speakers and everything is integrated.. Not entirely sure though. New build coming........ YouTube:http://www.youtube.c...6?feature=guide Old Build Log: http://www.stevemead...d-on-the-cheap/ Old Screen name: Redrebel66 Link to comment Share on other sites More sharing options...
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