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Thread: trouble shooting a fuel gauge
          
   
   

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  1. #1
    Don Meyer is offline Moderator Visit my Photo Gallery
    Join Date
    Apr 2001
    Location
    St Cloud
    Car Year, Make, Model: 48 GMC trk & a 66 Rolls Royce
    Posts
    532

    trouble shooting a fuel gauge

     



    I installed a Autometer(0 to 90 ohm) sending unit in my poly gas tank. I ran 2 wires(one from the sending unit terminal & one from the sending unit ground) to the gauge. There is also a hot wire from ign to gauge.

    The gauge reads below empty....if I put second wire from the sending unit ground to frame It reads above full.

    The resistance between the 2 sending unit terminals reads 60 ohms.

    What now.....Bad gauge? everything is new.

    Don
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    Last edited by Don Meyer; 10-19-2012 at 05:37 AM.
    Don Meyer, PhD-Mech Engr(48 GMC Trk/chopped/cab extended/caddy fins & a GM converted Rolls Royce Silver Shadow).

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