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  1. 2

    2008 2500hd won't crank

    As it turned out it was the main wiring harness on top of the engine. The white harness on the top center of the engine, not the black... cleaned it up and everything is back to normal!
  2. 2

    2008 2500hd won't crank

    How can I take the fuse box out to check it out.. Once the fuse box cover is off,I see there are two gray handles that pop up and are attached to the fuse panel.. can I just pop the handles up and pop the fuse box out? Or do I need to disconnect all the harnesses attached to the fuse box first?
  3. 2

    2008 2500hd won't crank

    I just got done messing with my truck.. the problem with my truck is the main wiring harness that goes into the fuse box. When I jiggle the harness the light on the dash lights up under PRNDM1 and the truck starts right up.. However my glow plug light came back on along with the check engine...
  4. 2

    2008 2500hd won't crank

    I am having the exact same problem with my 2007.5 LMM.. I just got home from Florida yesterday and now the truck won't crank..It has been sitting for a week aswell I noticed that the __ on the dash that indicates what gear your in is missing.. "PRND1" I am thinking that it is the NSUB "Neutral...
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