With the popularization of cars and the continuous expansion of urban road network, car navigation system has become a necessary equipment for drivers when they travel. As an important part of automotive navigation system, automotive navigation harness plays a role in connecting navigation equipment and vehicle electronic system to provide drivers with accurate navigation guidance and road information. In this paper, the definition, structure, function and development trend of automotive navigation wiring harness are introduced in detail.

Automotive navigation wiring harness refers to a group of cables connecting navigation equipment and vehicle electronic system, which contains power supply, data transmission, signal control and other functions of the line. It undertakes the important task of transmitting the navigation information generated by the navigation equipment to the vehicle electronic system and controlling the operation of the corresponding equipment. Car navigation wiring harness is generally composed of a number of cables, each cable is attached with the corresponding plug and socket, in order to achieve connection and transmission functions.

The structure of the automotive navigation wiring harness mainly includes the navigation equipment end, the vehicle electronic system end and the intermediate connection part. The navigation device end is usually the main body of the navigation device, including the screen, the operation interface, the GPS module and other parts, and is connected to the vehicle electronic system through the wire harness. The vehicle electronic system side is the electronic equipment in the car, such as the vehicle display screen, sound system, driving assistance system, etc., to receive navigation information and operate accordingly. The intermediate connecting part includes the wiring harness itself and the connecting head, which acts as a bridge connecting the navigation equipment and the vehicle electronic system.

The functions of automotive navigation wiring harness mainly include navigation information transmission, road condition monitoring, voice prompt and so on. The transmission of navigation information is the most basic function, which transmits the path planning and map information generated by the navigation equipment to the vehicle electronic system through the wiring harness to realize the driver's navigation and positioning. Road condition monitoring is to connect vehicle sensors and GPS modules through wiring harness, real-time monitoring of traffic conditions at the location of the vehicle, to provide drivers with appropriate driving routes. In addition, the car navigation harness can also achieve voice prompt function to remind the driver of driving precautions and road conditions changes in time.

With the continuous development of automotive technology, automotive navigation wiring harnesses are also constantly innovating and improving. In the future, with the popularization of 5G technology and the development of vehicle networking, car navigation wiring harnesses will be more intelligent and efficient. For example, AI-based navigation systems will become mainstream, providing drivers with more personalized navigation services by learning their driving habits and preferences. At the same time, the connection standards and interfaces of navigation wiring harnesses will also be more unified to achieve interconnection between different brands and different models of vehicles.

In short, as a key component of automotive navigation system, automotive navigation harness plays an important role in improving driving safety, convenience and comfort. With the continuous progress of technology and the rapid development of the automotive industry, it is believed that the car navigation harness will become more and more intelligent and multi-functional, bringing more convenience and safety to the driver's travel.