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Discussion in 'Western Star Forum' started by dirtworks, May 7, 2013.

  1. May 7, 2013 #1
    dirtworks

    dirtworks Bobtail Member

    3
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    May 7, 2013
    0
    I have a 2007 western star, in the shop and the full gauge is new and still not working. I have tested ground at sending unit at the tank. It does not have power at sending unit.The tank is half full and i have look all over to see if there a fuse or anything and have found nothing. Any ideas ?
     
    dirtworks, May 7, 2013
    dirtworks, May 7, 2013
    #1
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  3. May 7, 2013 #2
    underpsi

    underpsi Road Train Member

    1,266
    292
    Sep 18, 2008
    Toronto, Ont
    0
    What is the gauge reading right now? Completely full or completely empty? Sometimes my sending unit will get stuck in the full position if I jerk the truck around and the fuel gets sloshing in the tanks.
     
    underpsi, May 7, 2013
    underpsi, May 7, 2013
    #2
  4. May 7, 2013 #3
    dirtworks

    dirtworks Bobtail Member

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    May 7, 2013
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    gauge reads empty. tank is half full
     
    dirtworks, May 7, 2013
    dirtworks, May 7, 2013
    #3
  5. May 7, 2013 #4
    Hammer166

    Hammer166 Crusty Information Officer

    7,605
    27,790
    Aug 18, 2007
    ~8600+' and loving it!
    0
    Since new, my 07 Star has gone to empty for a few minutes, then worked fine for days. Never quit long enough to find the issue. You'll just have to start checking wires, as you are most likely grounded out.
     
    Hammer166, May 7, 2013
    Hammer166, May 7, 2013
    #4
  7. May 7, 2013 #5
    dirtworks

    dirtworks Bobtail Member

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    May 7, 2013
    0
    Is there a web sit that i can look at wireing diagram. theres 2 wire coming from fuil sending unit. i have tested for ground witch i have and tested for power and do not have power to sending unit. im thinking there should be power there. Is there a fuse or some thing im missing? i have tested all fuse up on dash, all are good. im new with these big trucks and just dont know where to look.
     
    dirtworks, May 7, 2013
    dirtworks, May 7, 2013
    #5
  8. May 7, 2013 #6
    cetanediesel

    cetanediesel Medium Load Member

    470
    186
    Mar 26, 2013
    Albany, NY
    0
    2 wires on sending unit? One is ground, one is to the gauge. Ground both of them with the ignition "on". If the gauge has power and the and the wires are grounded, the gauge should read full. The sending unit is $60, and the gauge is $90. It is cheaper to throw two pars at it than for a shop to look at it. There minimum is more than that.
     
    cetanediesel, May 7, 2013
    cetanediesel, May 7, 2013
    #6
    dirtworks Thanks this.
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