For RC Boat High Torque Metal Servo Mount 2mm/3mm Pull Rod Ball Steering Gear
L Pull rod 2mm is with M2 ball joint, pull rod 3mm is with M3 ball joint. l The definition of the three lines of the steering gear: Dark gray: GND ground Red: VCC 4.8-7.2V Orange line: pulse input signal (The total length of the line is 30cm).