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  1. #1
    Site Admin Green Hulk's Avatar
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    Wiring up VTS with Rotax Racing EMS

    Unfortunately the Rotax Racing EMS system does not incorporate VTS.

    I figured out how to manually wire the VTS system without using the MPEM which is removed when going with the EMS.

    The VTS switch has 3 wires.

    The blue/white wire controls UP
    The green/white wire controls DOWN
    The black wire is a ground.

    Its actually very easy to wire up.

    The blue/white & green/white from the switch connect to the same colored wires coming from the VTS motor.

    The black wire goes to ground.

    You also have a connector coming from the VTS motor with a red and black wire. The black wire goes to ground. The red wire goes to (+) constant on. You will want to fuse this red wire with a 7.5 amp fuse.

    There is a purple wire that comes from the VTS motor. This wire will be connected to (+) source which is switched on/off with the lanyard.

    This leaves 2 remaining wires coming from the VTS motor. A brown wire and a brown/striped wire. I am hoping i will be able to use these wires for a gauge. I will keep you posted.


  2. #2
    lawracing's Avatar
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    sweet good info!!!

  3. #3
    Good info Jerry, I'll be using it when the ski returns home

  4. #4
    Site Admin Green Hulk's Avatar
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    Dan, thanks for sending me the gauge. It worked out well. The hardest part was getting the nerve to drill the hole in that high dollar carbon fiber hood

    Okay, to wire up the gauge there are two brown wires coming off the VTS motor.
    Brown w/black stripe
    Brown w/white stripe

    Connect both of these to the same colored wires on the back of the gauge.

    Take the purple wire on the back of the gauge and run it to a 12v switched source
    Take the black wire on the back of the gague and run it to ground.
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  5. #5
    JD 1's Avatar
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    did you get it to work?? :P

  6. #6
    Site Admin Green Hulk's Avatar
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    Yep! it works great Dan.

    Thanks for sending me the gauge.

  7. #7
    Moderator two2curupt's Avatar
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    wow...now you have a 40 dollar circle of carbon fibre you have to re use on your boat somewere!!....lol....good install Jerry...How is it to drill into carbon fibre??

  8. #8
    Site Admin Green Hulk's Avatar
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    It was surprisingly hard to drill thru the CF. That is some tough shit!

    I saved the little $40 circle that came out. You can bend the shit out of it, but it aint breaking

  9. #9
    Hydrotoys's Avatar
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    Is this a gauge off an XP or an XPL?

  10. #10
    Site Admin Green Hulk's Avatar
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    Mark im not sure, Dan sent it to me. I think its off of an XPL.

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