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Navi Head unit differences- Need to know!

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Old Feb 29, 2012 | 06:36 PM
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Default Navi Head unit differences- Need to know!

I just bought an 09 2LZ Z06 that had everything I wanted but NO Navi. Looking around I've seen several for sale including one for a 2010, 2011 and a 2009. The 2009 one is a bit banged up and I was wondering if either (or both) the 2010 or 2011 head units would fit? Does anyone know if they will AND what, if anything they add? I was thinking the newer units might work better and perhaps allow to add AUX inputs that perhaps my car doesn't have? Thanks!

GM PN: 20906715 (2010 Navi head unit)
20856087 (2011 Navi head unit)
20788872 (2009? Navi head unit)

Thanks for the help!

Leif
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