What will be the development trend of automotive wiring harness industry?

I. What will be the development trend of automotive wiring harness industry? There are thousands of varieties of automotive wiring harnesses. Some modern vehicles contain nearly 40 different harnesses with as many as 700 connectors and over 3,000 wires. Harnesses for heavy-duty vehicles and equipment used in construction, agriculture and other off-road environments require additional requirements. In addition to the growing number of ancillary components that simultaneously reduce weight, cost and space, harness manufacturers for heavy-duty applications face unique challenges. Heavy-duty vehicles are subjected to more stress and require ultra-durable wires and connectors. Regulations continue to change in the U.S. and around the world. As data and signaling applications become more prevalent, their wiring, while conducive to weight reduction, presents challenges in terms of durability. Another change in wiring harness manufacturing is the lesser use of tin and tin-based components, such as connectors with solder tabs. As regulatory agencies in the U.S. and elsewhere have enacted stringent restrictions on leaded materials, harness manufacturers are phasing out the use of tin-plated terminals and assemblies that require soldering. A continuing challenge for harness manufacturers comes from industry pressure to reduce the size and weight of wiring. As data-driven applications and components are increasingly used in modern automobiles, there is also an expectation to use thinner and lighter wires in wiring harnesses.

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