2, second, the mechanical timer of the remaining red wire, directly connected to the key switch on the zero button.
3, then, the remaining zero wire of the power cord is directly connected to the black wire of the motor.
4. Then, the white wire of the motor is connected to the 2nd gear (middle gear) button of the keyswitch.
5. Then, the blue wire of the motor is connected to the key switch 1st gear (slow gear) button.
6. Finally, connect the other end of the red wire of the motor to the keyswitch 3 (fast gear) button.