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what is the 3 leads on speedmeter

color code


  • e0054526
    e0054526 Member Posts: 2
    which color goes where
  • rdcastle
    rdcastle Member Posts: 100 ✭✭✭
    Did you look closely at the back of the gauge? Usually the connections are marked or even molded into the housing.
    Rob Castle
    2001 Hurricane GS201 FD
    Yamaha 150 V6 2 Stroke, Oil Injection
  • cjjjdeck
    cjjjdeck Member, Moderator Posts: 1,872 ✭✭✭✭
    Welcome to the Owners Forum!

    It would help if you post your year and model Hurricane.

    If the gauge is just a speedometer by itself, usually it has two wires, a positive and negative, to power the illumination lamp.  The other connection is a tube that supplies air pressure to the back of the gauge to move the needle to show the appropriate speed  you are going.

    Often the color of the wires to the speedometer is dark blue = Positive; black = Negative.

    If you have a combination gauge that includes other gauges with the speedometer, or a GPS based speedometer, then you'll have to look at a wiring diagram for your boat.  I know someone that can help you with that if you need it.

    Here's a typical back view of a Faria speedometer:

    2012 SD237 I/O Mercruiser 5.0L MPI ECT/ Bravo 3
    2012 Load Rite Elite Tandem axle trailer