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2007 chevy trailblazer_ss_3ss
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Discussion Starter · #1 ·
I saw on Ebay a nav DVD part # 25847541U..

I have seen Part #25847541 but never with a "U"

what does the "U" mean? and will it work with an 06 Denali OE Nav System?
 

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Registered
2007 chevy trailblazer_ss_3ss
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211 Posts
Discussion Starter · #3 ·
If you bought your Denali new with the NAV, GM will send you a new upgrade free.

So that is what the "U" stands for is the upgrade version.. But should still work..

I am not the original owner of the car.. I don't think the person before me even subscribed to the upgrade program from gmnavdisc.com
 
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