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  1. #1

    2004 MSX 150 will not stop running

    2004 MSX 150 will not stop running, I have to disconnect the battery to get it to stop. I have confirmed the stop/lanyard switch is working properly and I see the SWITCHED ECU VOLTAGE go from 12volts to almost zero when the lanyard is removed. I have traced the purple wire back to the System IFB pin H. However I see NO Transition on pin C BLU/WHT SWITCHED ECU VOLTAGE when the stop switch is pressed. It remains at around 10 volts which is strange. I would expect it to change from around 12 volts to zero as the lanyard is removed or the start button is pressed.
    I suspect a bad System IFB but there does not seem to be any reported problems like this on the MSX150 Start / Stop Electrical System.
    Opinions please !

  2. #2
    Rocky_Road's Avatar
    Join Date
    Aug 2007
    Florida Panhandle
    New one on me....

    But...Jay (4STROKEPOLARISTECH) is in the business, and has seen it all! He is great on diagnosis, and has the parts, both new and used.

    Give him a PM, and he will probably reply.

    Oh, yeah...the moderators here have his daytime phone number, and will probably post it for you. I have it buried somewhere...and will take a look.

  3. #3
    ph2ocraft's Avatar
    Join Date
    Apr 2006
    Campbell, Ca.
    Jay will point you in the right direction.

  4. #4

    Replaced IFB and shut down switch works

    Update. Ordered and recieved a new system Interface Block and the lynyard Kill and stop switch now work porperly.

    Thanks for the kind assistance.

  5. #5
    Bernie's Avatar
    Join Date
    Aug 2006
    Perth Australia
    It hasn't just broken down ?


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