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    2013 GMS Sierra 3500 Navigation Unit - Upgrade options???

    Greetings all, I am, as of yesterday a proud owner of a 2013 GMC Sierra 3500 Denali. I love the truck and am still working on figuring out all the buttons, options and instruments. I have found much that I love and just a few things that I do not. I am looking for suggestions on the items that I...
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    2006 Savana clutch fan problem

    Hey I have a 2006 GMC Savana 3500 box truck. I have a question, for some reason my clutch van will randomly turn on while I am driving and it makes me lose some power. Does nay one have any idea what can be going on?