Originally Posted by Manual

WARNING! When using a sensored brushless motor, the A, B, C wires of the ESC MUST
connect with the motor wire A, B, C respectively. Do not change the wire sequence!
The motor sensor cable must be a non-crossover wire.

 Connecting to a sensorless brushless motor
When using a brushless motor without a Hall Sensor, the #A, #B, #C wires of the ESC can be
connected with the motor wires in any order. If the motor runs backwards, swap any two of
the motor wire connections.