As you work through this connector check, turn on the bike and check to see if the issue
has been resolved after each step.
1.Take the battery off the bike completely, and then place it back on. Make sure the battery
is locked onto the bike by turning the key 180º clockwise, and pulling up on the pack to
ensure it's securely mounted.
2. Check the wiring harness connector. This one might be slightly inside of the frame. Turn
the handlebars to the right fully and push some of the cable from the top down into the
frame of the bike. Sometimes, you may need to push the rubber grommet out of the hole at
the bottom to pull this connector out of the frame. This can be done with a flathead
screwdriver (as shown). This connector has 10 pins in it. Unplug this connector, and take a
look inside both ends of the connection. Ensure that the connector is free of moisture and
debris. Carefully align the connector, and plug it back in, taking care not to bend any of the
3. Next, check the Display connector. This one is silver and just beneath the display. To get
it apart, unscrew the two silver halves and then gently pull straight apart. When
reconnecting, make sure the silver barrel is tightened down fully.
4. Battery connector. Unplug and plug back in the battery connector. This is the large 2 pin
connector right underneath the controller (the controller is the smaller metal black box in
front of the rear wheel).
5. Motor connector. Unplug and plug back in the motor connector. On the RadCity, the
motor connector is on the left side of the bike between the pedals and rear wheel axle.
If you have any questions or your issue still persist, please email