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Originally Posted by blu98cvc
i got a 2002 denali with y91 option i got a navigation head unit from ebay part #10377531 i have seen this done but not sure how i know i need the dash bezell from 05 i got that but the plugs from the nav dont match the plugs in my truck now (must have changed in the few years ) anyway you guys can tell me how you guys did it if you did or where i can find a wiring diagram for the 05 nav and 02 yukon so i can compare
thanks
willy
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As Eggert pointed out, '03+ uses class-II data bus which is totally different from what is used in the pre-'03 NBS GM trucks/SUVs. Bottom line--it is almost impossible to get the GM nav to work on a pre-'03 GM truck/SUV...not w/o lots of modifications which--if even possible to do--would not even be worth your time and money to perform; you'd be better off buying aftermarket nav like a Pioneer AVIC-N1.
I also noticed you mentioned that you have the 10377531 nav (touchscreen, right?); if it turns out that you can't use it, I might be interested in buying it off you for the right price...
