Some knowledge about automotive wiring harnesses
The automotive wiring harness is the backbone of a vehicle’s electrical system; without it, there would be no vehicle circuitry at all. A wiring harness consists of contact terminals (connectors) made from stamped copper components that are crimped onto wires and cables, then encased in a molded insulating material or enclosed within a metal housing. These harnesses are bundled together to form a complete assembly that connects various electrical circuits. The wiring harness industry chain encompasses wire and cable products, connectors, processing equipment, harness manufacturing, and downstream application industries. Wiring harnesses have extremely wide-ranging applications, being used in automobiles, household appliances, computers and communication devices, as well as a variety of electronic instruments and meters. The body wiring harness connects the entire vehicle body and generally has an H-shaped configuration.
Release time:
2022-11-15
The automotive wiring harness is the backbone of a vehicle’s electrical system; without it, there would be no vehicle circuitry at all. A wiring harness consists of contact terminals (connectors) made from stamped copper components that are crimped onto wires and cables, then encased in a molded insulating material or enclosed within a metal housing. These harnesses are bundled together to form a complete assembly that connects various electrical circuits. The wiring harness industry chain encompasses wire and cable manufacturing, connector production, processing equipment, harness fabrication, and downstream application industries. Wiring harnesses have extremely wide-ranging applications, being used in automobiles, household appliances, computers and communication devices, and a variety of electronic instruments and meters. The body wiring harness connects the entire vehicle body and generally has an H-shaped configuration.
Automotive wires, also known as low-voltage wires, are different from ordinary household electrical wires. Ordinary household wires are made of solid copper conductors and have a certain degree of rigidity. In contrast, automotive wires are multi-strand, flexible copper wires—some of these strands are as thin as hair. Several to dozens of such fine copper strands are encased within a plastic insulating sheath (made of polyvinyl chloride), making them soft and highly resistant to breakage.
Due to the unique characteristics of the automotive industry, the manufacturing process of automotive wire harnesses is also more specialized than that of other common wire harnesses.
As automotive functions continue to expand and electronic control technologies become increasingly widespread, the number of electrical components is growing, leading to a corresponding increase in wiring. Consequently, wiring harnesses are becoming thicker and heavier. To address this challenge, advanced vehicles have adopted CAN bus configurations, utilizing multiplexing systems. Compared to traditional wiring harnesses, multiplexing systems significantly reduce the number of wires and connectors, making wiring installation much simpler.
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