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  • RPM Gauge

    I have 2004 225 EF1 V MAX RPM GAUGE NOT WORKING. Change the gauge and have 12 volts and a good ground, but still not work?

  • #2
    Yamaha analog or multifunction type or non-Yamaha type?

    Are you saying that when you apply 12 volt positive to the yellow wire and a ground to the black wire (assuming it is a Yam tachometer) that absolutely nothing happens?

    And that when you replaced the gauge still nothing happens?

    Have you verified that the wiring is in good working order?

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