What OE nav radio do I need?

[-db]

Truck is a 2003, have bose cd/cassette/xm, steering wheel controls with gauge cluster controls (no idea what this is called).

 

I am thinking of getting a used factory nav unit. How do I figure out which unit I need?

 

Thanks,

Doug

[poonis]

Truck is a 2003, have bose cd/cassette/xm, steering wheel controls with gauge cluster controls (no idea what this is called).

 

I am thinking of getting a used factory nav unit. How do I figure out which unit I need?

 

Thanks,

Doug

 

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15229287 nav unit (non-lux) is the newest one. there's other ones and should work as long as you get the non-lux unit. you'll need a gps antenna and map dvd disc also (easy to find on ebay).

 

http://www.gm-trucks.com/forums/index.php?showtopic=28030