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  1. #1

    Default 99" GMC Fuel Pump Question...

    not working have power new pump pump sys. at gm standerd

  2. #2

    Default

    ***THREAD MOVED***
    To The
    GENERAL CHEVY/G.M TECH Q&A SECTION


    MIKE


    99"SILVERADO
    5.3 l 3.73 l G80
    BLACK BEAR CUSTOM TUNE
    SNUGTOP l COLORMATCH l KATZKIN










  3. #3

    Default

    Not trying to read between any lines, if you have a new and known good pump and that pump is getting power, but the pump refuses to run, then the only fault left is a bad ground.

    If you check the ground and it is fine, then you should go back and re-visit those two statements. Either the pump really doesn't have power or your new pump is bad out of the box.
    '98 K1500 Suburban LS 5.7 L 4L60E NV246 ARB
    '92 Ford Explorer XLT 4x4 4.0 L A4LD BW13-54 Trac-loc rear
    "My toys were the greasy cogs and springs and pistons that lay around all over the place, and these, I can promise you, were far more fun to play with than most of the plastic rubbish children are given nowadays." Danny in Roald Dahl's Danny The Champion of the World

  4. #4
    Sr. Engineer
    Join Date
    Oct 2010
    Location
    Indianapolis, In
    Posts
    487

    Default

    Welcome to the forum. Could you restate that in the form of a question? I am not clear about what you are looking for.
    2000 GMC YUKON SLT, 5.3L tow pkg, G80 rear/w 3.73 gear

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