Reference video for replacing the main line of an electric bicycle: 1. Find the location of the controller, find the main line, and unplug the main line interface 2. Remove the battery bottom cover protection plate (if any) 3. Unplug the wiring of each part of the main line and replace the new main line. Note: Be careful not to damage the small pins inside the wiring during the plug-in and unplug process
Reference video for replacing the main line of an electric bicycle:
1. Find the location of the controller, find the main line, and unplug the main line interface
2. Remove the battery bottom cover protection plate (if any)
3. Unplug the wiring of each part of the main line and replace the new main line.
Note: Be careful not to damage the small pins inside the wiring during the plug-in and unplug process