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Yamaha Gauges

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  • Yamaha Gauges

    I recently replaced my Yamaha Fuel Management Gauge and it only reads zero after the first trip out. Also, my 2 Tach's and the SpeedO read during the day but the digits are non-existant at night. All I see is a green screen on those 3 gauges. This has not happened before. Any ideas on either issue? I'm thinking the sending unit may be bad on the FMG.
    Thanks,

  • #2
    Probably is fuel flow sensor bad on FMM, check power and ground going to gauges, should have 12 volts between yellow and black wires at gauges with key on, should have 12 volts between blue and black wire with lights on.
    Regards
    Boats.net
    Yamaha Outboard Parts

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    • #3
      Gauges

      Thanks for the tips. I will try this.

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