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  • 2004 f60

    Hi!

    2004 F60AET and I want to test the carbs solenoids.
    What wire from the solenoids (blue or yellow) goes to the positive and negative of power source?

  • #2
    Not solenoids. What Yamaha calls Primestart.

    Being a purely resistive device the wire connections should not matter. But...



    Last edited by boscoe99; 06-07-2017, 07:17 PM.

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    • #3
      Problem with cold starting this motor ?

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      • #4
        Right, Prime start. Dont know what I was thinking... My other motors use this system so is not something new for me.

        Once you supply me a document that show how many mm the needle shoud extend but dont mention any connections.

        Thanks Boscoe!

        Just want to clean the carbs properly and test the prime start

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        • #5
          Can you follow the blue wire back to where it goes/comes from?

          See post #12 in this thread. The second illustration. Is that your configuration?

          http://www.yamahaoutboardparts.com/f...t-th28616.html

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          • #6
            Originally posted by boscoe99 View Post
            Can you follow the blue wire back to where it goes/comes from?

            See post #12 in this thread. The second illustration. Is that your configuration?

            http://www.yamahaoutboardparts.com/f...t-th28616.html

            lol

            Embarrassing...

            As Rod says... Just had to use the tool over my shoulders!

            But I didnt remember that option and learned a little more today.

            Thanks

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            • #7
              So does the CDI turn the Prime start heater unit on and off by closing the negative/ground(black) wire?
              or is the negative always grounded letting the heater work when the key is on or while motor is running?

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              • #8
                Originally posted by 99yam40 View Post
                So does the CDI turn the Prime start heater unit on and off by closing the negative/ground(black) wire?
                or is the negative always grounded letting the heater work when the key is on or while motor is running?
                That is what I want to know. Hopefully Mr. Alemtelo can do a test and let us know. All of the carburetor PS devices I was formerly familiar with had a continuous voltage and ground any time the motor was running. The type used on a particular F60C model appears to be different. Yamaha likes to keep us guessing. Almost nothing is ever the same.

                By the way, a blue wire is used in this instance as a switched ground. Black is used when the ground is not switched (always present).

                As yellow is a switched voltage source (red being constant battery power) blue is used when the CDI/ECU applies a ground or removes a ground. Think of the blue wire to the remote oil tank motor, with that wire being switched on and off to run or stop the pump from transferring oil.

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                • #9
                  I'll check wire harness and let you know but tests with motor runing may take a while

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