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Discussion Starter · #1 ·
So here's what I want to install in my TBSS. It's an 07 Bose without nav.


Front Door:|Pioneer

Rear Door:|Pioneer


I'm confused with the whole Onstar and door chime thing. I want to keep these features but I'm a little lost on how I'm going to do this (if even possible). Crutchfield says that I need this:

It mentions that I will retain the Bose,Onstar and chimes. My question is how do I make this work if I'm no longer using the Bose amp? Are the Onstar and chimes driven by the speakers in the dash? Any help is appreciated.
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