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fuel gauge works in reverse

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  • fuel gauge works in reverse

    i put a universal sending unit in this winter with a half a tank of gas in and the gauge read a half tank but when i filled it up it went to empty. i then took the boat out for the first time this year and it read backwards from empty to full. any suggestions...

  • #2
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    Re: fuel gauge works in reverse

    Are your positive and negative wires on backward?
    1975 Starcraft SS-16' / 1977 Evinrude 75hp now w/ CMC power trim and tilt
    17p prop- 36 mph @ 5900 rpm ( 2 people, 12 gals fuel, 2 batteries)

    1975 Starcraft Super Sport- Resto currently "in progress"