Question about 1983 Chevrolet Camaro

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68 camaro aftermarket fuel gauge pegged passed full

I have 3 total gauges temp oil and fuel all elect. They are using the same ground the oil and temp work just fine but as soon as i hook up the fuel it pegs out what could cause this i know maybe a short but it has good ground and power the only thing i can think of is the sending unit? help!!!

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  • Jess n Jed T n B
    Jess n Jed T n B Mar 10, 2009

    the needle is pegged i have the wire correct open circuit meaning?

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Jess, Make sure you don't have the ground and sender level circuits crossed at the gauge. If the needle is pegs to full it indicates an open circuit, if the needle pegs to empty it is indicating a short to ground.
Let me know.
Regards,

Posted on Feb 12, 2009

  • Bruce Bracey
    Bruce Bracey Mar 10, 2009

    The gauge can not read the sending unit. You can use a multi meter to read the resistance of the sending unit. It should show you a value other than OL (open line). Do you have a volt/ohm meter?

    let me know.

    Regards,

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