The color of the five-wire motor line is generally red, black, blue, white, yellow, in which yellow and white are connected capacitors, blue line is a common line, red line is a fast speed line, and black line is a slow speed line. The color of the four-wire motor line is generally red, black, blue, yellow, where the blue line is a common line, the red line is a fast speed line, the black line is a slow speed line, and the yellow line is a capacitor line, you can see the wiring diagram on the motor