pay attention to check carefully with the installation of the new motor, make sure the installation is correct. then start the vehicle, wait for 3 seconds, close the key, then use the pointer to zero position directly into the position.
Do not rotate the motor manually as much as possible，or it will destroy the speed ratio of the motor. In addition, do not force too much when inserting the pointer. The bearing capacity of the needle shaft of the motor can’t exceed 3.4KG. If it exceeds the coil of the motor, it will affect the use of the motor.