Electric choke not working

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  • July 6, 2015 at 1:05 pm #1950
    wiscoboater
    Participant

      Hi Guys, I have a 1977 Johnson 35 with electric choke. It does not seem to be working. The solenoid does nothing when the key is turned on. A new one is quite pricey at about $75. How do I test this solenoid to make sure it’s the problem before ordering a replacement?

      July 6, 2015 at 1:28 pm #19573
      chinewalker
      Participant

        US Member

        Test for 12v at the purple wire first, when switch activated. That will tell you if its the switch or wiring. Then, you can jump directly to solenoid from batt with small jumper wires to test solenoid.

        July 6, 2015 at 2:30 pm #19575
        frankr
        Participant

          US MEMBER PAY BY CHECK
          quote wannabe outboard guy:

          Hi Guys, I have a 1977 Johnson 35 with electric choke. It does not seem to be working. The solenoid does nothing when the key is turned on. A new one is quite pricey at about $75. How do I test this solenoid to make sure it’s the problem before ordering a replacement?

          ?? Did I read that right? Turning the key on does not activate the choke. Turning the key on and holding the choke toggle switch activates the choke. Maybe that is what you meant to say. Note: These days, many have been converted to push-to-choke key switches. With those, you turn it on and push and hold the key in to choke.

          July 6, 2015 at 2:54 pm #19576
          wiscoboater
          Participant

            This was set up on a pontoon with the ignition switch in the dash. It has no toggle switch that I know of. I’ll check the key to see if it is a push in type, but I do not believe it is.

            July 7, 2015 at 2:48 am #19602
            garry-in-michigan
            Participant

              Lifetime Member

              Don’t forget, half of the choke circuit is the ground connection. A poor contact through dirt or corrosion can interfere with the choke’s opperation.

              July 7, 2015 at 2:45 pm #19618
              wiscoboater
              Participant

                Are these solenoids pretty reliable, or do they fail often? Have not gotten back to it yet but I hope to test it tonight. I just checked a few sources and the price is actually $125 plus shipping

                July 7, 2015 at 2:51 pm #19619
                frankr
                Participant

                  US MEMBER PAY BY CHECK

                  Normally very reliable. You certainly do not want to buy a new one until you prove it is bad. But if you do need to replace it, run a want ad on this club’s Webvertize pages. It’s free and I am sure somebody has good one in their stash.

                  July 7, 2015 at 8:36 pm #19628
                  1946zephyr
                  Participant

                    Could this be the type of choke that activates by pushing the key switch in? The weather could have caused corrosion in the switch.
                    I would also check the current too.

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