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    #1

    extra cable from controller

    I just got around to doing a new build my 2nd. I am using the luna anniversary special.with the BBSO2. I got everything plugged in and all of a sudden I have an extra wire with a yellow 5 plug end on and no where to plug it into . I have the 4 wires coming from display 2 for brakes 1 for shifting and 1 for throttle that all lead into a cable. That makes 1 wire to plug into the controller wire #1. Then there is the battery cable another for the controller, wire #2 and one for the speedometer on the back tire wire # 3. Now there is a 4th wire coming out of the controller with a yellow 5pin connector to plug some where but I have no more cables WTF what is this one for.
    I looked a my 1st build and it only had 3 cables coming out of the controller. Does any one have a clue what this guy is for. I haven't tried running the motor yet but I may go out and try it now I am at a loss Is it for a latter add on? I am confused Thanks Stu
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    #2
    Shift sensor?

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      #3
      Yeah that's for the optional gearsensor. If not used just cap it off, maybe add some dielectric in there to seal it from moisture while you're at it.
      I would recommend the gearsensor though, it makes the ride remarkably more enjoyable if you shift a lot.

      Comment

        #4
        what is the gear sensor I assume it senses a gear. where to I get one and what is its use That's new one on me

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          #5
          Originally posted by fstued View Post
          what is the gear sensor I assume it senses a gear. where to I get one and what is its use That's new one on me
          Gear Sensor
          Gearsensor for Bafang Mid Drives - Luna Cycle
          https://lunacycle.com
          Providers of quality ebikes, electric bike batteries, motors and components at affordable pricing.

          Comment

            #6
            The gear sensor doesn't connect to the display. There is a cable coming out of the controller for the shift sensor.

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              #7
              Originally posted by fstued View Post
              what is the gear sensor I assume it senses a gear. where to I get one and what is its use That's new one on me
              Gear sensor senses cable movement and the controller kills power for a sec so you're not shifting under full power.

              Comment

                #8
                Originally posted by fstued View Post
                I just got around to doing a new build my 2nd. I am using the luna anniversary special.with the BBSO2. I got everything plugged in and all of a sudden I have an extra wire with a yellow 5 plug end on and no where to plug it into . I have the 4 wires coming from display 2 for brakes 1 for shifting and 1 for throttle that all lead into a cable. That makes 1 wire to plug into the controller wire #1. Then there is the battery cable another for the controller, wire #2 and one for the speedometer on the back tire wire # 3. Now there is a 4th wire coming out of the controller with a yellow 5pin connector to plug some where but I have no more cables WTF what is this one for.
                I looked a my 1st build and it only had 3 cables coming out of the controller. Does any one have a clue what this guy is for. I haven't tried running the motor yet but I may go out and try it now I am at a loss Is it for a latter add on? I am confused Thanks Stu
                One splits for display, brakes, throttle
                one for power
                One for speed sensor, magnet goes on a spoke, the sensor goes on the chain stay
                One for shift sensor.

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