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Unexpected behavior from the kill/safety lanyard switch...

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    #1

    Unexpected behavior from the kill/safety lanyard switch...

    On previous boats I've owned, and from written comments here, the kill/safety lanyard switch kills the ignition circuit. If the engine is running, the switch causes the engine to die. If the engine is not running and the switch is activated, the engine can crank but will not start. This is often touted as a convenient way to crank the engine without starting it, and on previous boats/engines I've done that myself many times.

    Yesterday we pulled our 24Ve from storage and de-winterized it. This includes installing the belt, which is a PITA and always a struggle even with two people. I wanted to spin the engine briefly in the driveway before going to the ramp to confirm the belt was installed correctly and wouldn't spin itself off when the engine started.

    So I turned on the battery switches, flipped the lanyard switch (might be the first time I've ever done that on this boat), turned the key, and - nothing. NOTHING. No gauges, no dash light test, no beep, no LCD screen, absolutely nothing happened. I honestly thought I'd either forgotten something or hooked up something wrong. I checked everything, convinced myself it was right, flipped the lanyard back to normal, tried again, and presto - engine cranked (and started). I immediately turned it off because I only needed a few revolutions to make sure of the belt.

    I've never heard of a lanyard switch disabling EVERYTHING on the helm. On previous boats, and boats owned by others, the lanyard switch only affects the engine. Everything else still gets power.

    Anyone else?
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    #2
    Does it kill the engine when the lanyard is pulled while engine is running?
    Mikes Liquid Audio: Knowledge Experience Customer Service you can trust-KICKER WetSounds ACME props FlyHigh Custom Ballast Clarion LiquidLumens LEDs Roswell Wave Deflector And More

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      #3
      Hmmm. I will have to check that out on my 24ve. If memory serves me right it turns over but no start.
      Wake Up or Stay On Shore!

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        #4
        I’ll check mine tomorrow on my 22ve. What motor is in yours? Mp340?


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          #5
          I didn't check if it kills a running engine, but since it kills everything electrical that I could see, I presume yes. I will check next time we run it, which will probably be a few days because it's very windy now and then rainy until next week.

          It has the PCM EX343 CAT engine.

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            #6
            Checked my 19 R23 today and when I pulled the kill switch then turned ignition key, no beep, no engine turn over. Nothing....So no power...

            On my previous boat, 04 Tahoe Q5- 4.3LMPI mercrusier, it would turn over but not fire up....


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              #7
              Thanks for checking. And given the year of your boat, and thus the different engine manufacturer, it sounds like this is considered the norm for wakeboats.

              Not sure I agree with that choice. There's no danger in allowing other things besides the engine to be powered after the lanyard is pulled. And you might want/need to power something if the lanyard is (temporarily) missing, such as deballasting pumps. Hmm... I wonder if the bilge pump and blower are also disabled?

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                #8
                I didn’t check ballast pumps or bilge, but I assume they still work because the radio and touch screen still worked. It appears as if the switch is wired in series with the ignition switch....

                On my boat I have two separate batteries, a house battery and a crank battery. The ignition switch has no effect on the touchscreen and radio, i.e. the switch can be off and the screen and radio play like normal.


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                  #9
                  Originally posted by Bamer View Post
                  On my boat I have two separate batteries, a house battery and a crank battery. The ignition switch has no effect on the touchscreen and radio, i.e. the switch can be off and the screen and radio play like normal.
                  We too have dual batteries, a crank battery and a house battery.

                  The behavior of the ignition switch on our boat is different from what you describe (except perhaps the sound system, which we never use so I have no idea how it behaves). When the ignition switch is in its OFF position (and/or the key is removed), the dash is completely off. No gauges, no LCD, nothing. Turn the key to ACC or ON and everything powers up... we get the usual beep, the lamp test occurs, the dash gauges do their reset "sweep", the LCD lights up, etc. None of that happens if the lanyard switch is on (e.g. the lanyard has been "pulled").

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                    #10
                    I checked mine yesterday while out surfing. And mine responds the same way as yours does. When the switch is in the off position there is no power at the dash and the engine does not turn over. I understand the reason you would like it to turn over and I totally agree with that I would love to be able to turn the engine over with out it starteing. interesting the way it has been set up.
                    Wake Up or Stay On Shore!

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                      #11
                      "I would love to be able to turn the engine over with out it starteing. interesting the way it has been set up."

                      Pull the fuse to the fuel pump. No fuel pressure = no start
                      Oh Yeah!

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