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Resistance Range of OE Lucas Fuel Gauge?

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  • Resistance Range of OE Lucas Fuel Gauge?

    I've been looking, including in the Dan Master's electrical bible, for the original fuel gauge Ohm range. Wondering if anyone has come across that spec ? I suppose it would match the OE sending unit if that range is known as well.
    72 CC84337 UO

  • #2
    I happened to measure this both for my original and for a replacement senders.

    Min (High Level) Max (Low Level)
    Original 17.1 Ω 244 Ω
    Replacement 21.1 Ω 289 Ω

    My original fuel gauge measured 63 Ω.

    Gauge response:

    Terminal Voltage Gauge Reading
    0.0 v E
    3.3 v 1/4
    5.1 v 1/2
    7.0 v 3/4
    8.2 v F

    Ed

    Edit: Looks like the forum software doesn't respect formatting. Tabs and white space are eliminated. Hope you get the idea.

    Ed
    Last edited by ed_h; 01-08-2019, 10:21 PM.
    For just a little more, you can do it yourself!

    Comment


    • #3
      Thank you ed_h.
      72 CC84337 UO

      Comment

      Resistance Range of OE Lucas Fuel Gauge?

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