Which Nav system

[rippin lips]

Been looking around for a factory Nav system .I have an 04 H2 .I am not sure which ones will work.I know I can go have a after market installed,But I would like to find a factory.Will ones out of a different GMC work?If so wich #'s should I look for?
Thanks ,Woody

[HummBob]

It depends if you have the LUX or Non-Lux Bose Amp?

[HummBob]

http://www.dealerworksinc.com/GMFactoryNav.htm