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  1. #1

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    speedometer removal

    Can I remove my speedometer pickup and wiring without problems.


  2. #2
    Don't see why not, when it dies or seizes everything else still works fine. I'd tie off and seal wire connector ends inside the hull after the sensor is removed.

  3. #3
    Quote Originally Posted by rotortiller View Post
    Don't see why not, when it dies or seizes everything else still works fine.
    Not so on the new 300X.
    That's because the speed feedback signal is used by ECU for proper engine running. You will be in the limp-home mode ALL THE TIME if you disable it. Other models are OK to remove it and engine performance is not affected.

  4. #4
    You figure he has a 300

  5. #5
    Quote Originally Posted by meangreenman View Post
    Not so on the new 300X.
    That's because the speed feedback signal is used by ECU for proper engine running. You will be in the limp-home mode ALL THE TIME if you disable it. Other models are OK to remove it and engine performance is not affected.
    How about leave everything connected and jam something physically into the speedo wheel to "slow it down". That way won't the boat hit a higher peek speed because the speedo wheel will be sending a "slower peak speed" message to the ECU? Kind of like tricking the ECU? The ECU does not know how fast the boat is going. Rather the ECU is 100% dependent on information from the speedo wheel?

  6. #6
    nicjak's Avatar
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    cant see how they could be using it as we all know how inaccurate the wheels are, may only be used as some sort of input reference.

  7. #7
    Quote Originally Posted by nicjak View Post
    cant see how they could be using it as we all know how inaccurate the wheels are, may only be used as some sort of input reference.

    It's more than just input reference. ECU actually uses the speedo signal for engine operation.
    The dash meter will flash "SPSE" (speedo sensoer), as shown below, when the wheel is not moving or if the connector is disconnected, and the ski will run poorly.


  8. #8
    Hammy's Avatar
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    read post #93 : http://www.greenhulk.net/forums/show...st-Pics/page10

    I am going with Farthing's Speed Control Elimanator though

  9. #9
    nicjak's Avatar
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    exactly what i was saying earlier it sounds like it is just used to detect motion

  10. #10

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    Thanks guys. I have an 07 ultra. I'm just trying to eliminate anything unnecessary. One last connection to make is cool with me. I usually just leave the plug unplugged,fill iot with dielectric grease and then wrap it in duck tape. later.

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