Using this Bafang main wire harness is easy. First, make sure your motor is turned off. Then, carefully connect the wire harness to the corresponding ports on your Bafang BBS01B, BBS02B, or BBSHD mid - drive motor. Double - check all the connections to ensure they are secure. When it comes to maintenance, keep the wire harness clean and dry. Avoid pulling or bending the wires forcefully, as this can damage the harness. If you notice any signs of wear or damage, replace the wire harness promptly to avoid potential issues with your motor.