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  1. #1

    Default Truck cranks but no start

    I am looking into getting a 04 2500HD D-max. The truck was running and i was trying to turn off the DRL using the dome light switch. The truck died on me and now it will crank but will not start. Anyone have any ideas on what i can do to get it restarted? Or how i can (if there is a way) to get into the computer without a scanner and read if there are any faults


  2. #2


    Sounds like a componet shorted out. Lower the spare tire, just above the spare there is a relay there. Replace that. I have seen this happen so many times to the newer trucks. This relay gets wet or overheated and just wont let the truck start. You will have to go to a gm dealer for part, but its worth it. Hope this helps.

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