Wire harness manufacturing is the grouping of multiple wires or cables together with appropriate connectors and protective materials to meet the electrical connection needs of a specific device or system. Wire harness manufacturing is an indispensable and important link in modern industrial production and is widely used in various fields such as new energy vehicles, aerospace, and mechanical equipment.


According to data, the earliest automotive wiring harness can be traced back to the early 20th century. At that time, the wires of automobile electrical systems were all handmade, and there were no unified specifications and standards. This situation not only increases manufacturing costs, but also limits the development of automotive electrical systems. In order to solve this problem, automobile manufacturers began to explore a more efficient and standardized form of cable organization, and automobile wiring harnesses came into being.


Automobile wiring harness is the main body of automobile circuit. The electronic control system in modern cars is closely related to the wiring harness. With the continuous improvement of automobile safety, comfort and environmental protection requirements, the number of circuits and power consumption in automobiles has increased significantly, making how to arrange a large number of wire harnesses more effectively and rationally in a limited space has become a difficult problem in automobile manufacturing. This paper briefly introduces the current status and development trends of automotive wiring harness lightweighting, modularization and in-vehicle communication technology.


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