The waterproof connector plays an important role as an electrical appliance connecting the power supply end and the demand end. For this reason, when selecting low-voltage electrical components for passenger vehicles, it is necessary to select the best from the aspects of environment, temperature, humidity, equipment orientation, vibration, dustproof, waterproof, noise, sealing, etc. check.The waterproof connector is composed of two sub-assemblies, a male end and a female end. The female end is composed of a mother body, a secondary lock (terminal), a sealing ring, a terminal, a terminal sealing ring, a cover and other parts. Due to different structures, there will be individual differences in the detailed parts, but the differences are not large and can be basically ignored.The same waterproof connector is generally divided into long skirts and short skirts.