Electric Bikes Conversion Kits EMTBS eRoad/Commuting What's New?

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  1. S

    Wiring QS-S4 Display Throttle

    Only place I know that supplies LH-100 is China. I looked for one also. China makes them.
  2. S

    Wiring QS-S4 Display Throttle

    Upon further checking it's appears QS-S4 is not compatible to the Boyueda scooter. So for the third time I've ordered LH-100 instrument monitor from another site. They say it's matching the description of what I relayed. Only a 3-4 week waiting time. I will update for those who may be interested...
  3. S

    Wiring QS-S4 Display Throttle

    Extra white wire from new and different QS-S4 display showing E 10 message
  4. S

    Wiring QS-S4 Display Throttle

    Hello, I've ordered a LH-100 LCD Throttle I received a QS-S4 upon wiring together found one extra wire which is white that LH-100 did not have. Now I have E10 message on the screen? I'm trying to install the QS-S4 on a Boyueda 5400w electric scooter. Any suggestions would be greatly appreciated.
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