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Right, and to the best of my memory, also adding the GPS antenna on the roof, which is pre-wired. If the truck has a (factory) phone installed, the antenna may be compatable, I think they only had 1 type of antenna that was good for phone and GPS. As far as the programming, I'm pretty sure you need to get that done or it won't work, not sure on that since I'm a dealer guy, it always got programmed and it always worked.
Gilly
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