Three Speed Switch Kit for Electric Bicycle Bike E-bike
--work with Twist Grip Throttle
--need a suitable 3 speed controller
1 Orange = high speed
2 Black = GND Mid Speed
3 Yellow = Low speed
If you don't want buy the three speed switch to get high speed, you connect the High speed (1 Orange) wire to the ground (2 Black).
If you don't want buy the three speed switch to get low speed, you connect the Low speed (3 Yellow) wire to the ground (2 Black).
if nothing is connected you have mid speed. It you connect the back to orange you get high speed and to yellow you get low speed.