Speedmaster St2 Smart Turn System

Discussion in 'America, Speedmaster & Rocket' started by Dartplayer, Dec 21, 2019.

  1. Dartplayer

    Dartplayer Crème de la Crème

    Aug 8, 2018
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    Smart Turn System (STS) is an intelligent device that automatically cancels a flashing turn-signal after turns, lane changes, roundabouts and most other manoeuvres. It uses an advanced motion sensor to recognise the manoeuver and so determine the correct moment to cancel the turn-signal.

    Although there are cheaper options, I managed to get 60% off, so installed it and I am very happy with the results
     
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  2. Dartplayer

    Dartplayer Crème de la Crème

    Aug 8, 2018
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    The installation on the Bonneville Speedmaster 1200 has different coloured wiring than mentioned in the instructions.
    Signal is green, Right turn is green/white, and Left turn is green/brown.
    Smallest rubber was cut in half to disable the indicator switch function.

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  3. Dartplayer

    Dartplayer Crème de la Crème

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    I placed the unit under the frame (tank removed) and ran the cabling through the bikes cable tray on the left side to the control wire connectors at the back of the tank.
    Alongside the turn signal, are power and earth wires (red and black) to complete the installation.
    Removal of the switch unit allowed the rubbers to be installed in the end to force the activator back to the centre.

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  4. Don the Don

    Don the Don Bigger Than The Average Bear

    Nov 5, 2019
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    Top job Dartplayer, never seen that kit before, one less thing to worry about
     
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  5. Dartplayer

    Dartplayer Crème de la Crème

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    Yes @half ton, they had a one-off 60% for one day only.
    It was for both systems, but I do not want the brake system.
    I managed to delete the brake module and still apply the code. I like not having to worry about forgetting to reset as we do not need reasons to confuse cage drivers into a conflict.
     
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  6. Dartplayer

    Dartplayer Crème de la Crème

    Aug 8, 2018
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    Once I identified which wires, the ST2 install was simple. I would have preferred spade terminals but the bullets work ok if you hold the male for plugging and unplugging.
     
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  7. Glen Wamphray

    Glen Wamphray Member

    Dec 7, 2019
    44
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    I thought I'd use some of my self-isolation time to fit the ST2 to my 2019 T120. I'm a bit alarmed to see how thin the wires are in the harness and wonder how securely they'll crimp to the bullet connectors?

    But when I took the switch off the handlebars it looks nothing like the switch they show in their installation video. I can't see where I would put the wee rubber stoppers. My switch looks the same as your Speedmaster. Where did you put them?

    IMG_1477.JPG
     
  8. Glen Wamphray

    Glen Wamphray Member

    Dec 7, 2019
    44
    13
    Scotland
    Aha! I've found the slots on the underside of the unit.
     
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  9. Glen Wamphray

    Glen Wamphray Member

    Dec 7, 2019
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  10. Stoney48

    Stoney48 New Member

    Sep 1, 2023
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    3
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    Hi do you know if the wiring on thevT120 is same or similar to my 2014 Speedmaster
     
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