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post #22 of (permalink) Old 09-08-2013
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Looking into this to swap the head unit. Reading the faq's I see it is compatible with 2007 and up. Were there any major changes to the audio wiring harness between 2006 and 2007 other than bluetooth into the Onstar system? I would think not BUT for a $1000 I'd like to be sure. Thoughts?
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