What are the material requirements for automotive wiring harnesses?

What are the material requirements for automotive wiring harness? Automotive wiring harnesses have very strict requirements on materials, including their electrical performance, material emission, temperature resistance, etc., which are higher than those of general wiring harnesses, especially those related to safety. They have the following points: 1. The ambient temperature around the engine is high, and there are more corrosive gases and liquids. The wire of the engine harness must be high temperature resistant, oil resistant, vibration resistant and friction resistant. The wire used in the automatic transmission of the 2、 is a wire with good hydraulic oil resistance, high temperature resistance and temperature stability. The wires of the wire harness on the rear compartment lid of the 3、 must retain their elasticity at low temperatures, so select cold elastic wires to ensure their proper operation. Use shielded wire for 4、 low signal sensors. 5、 the 150-200 ℃ high temperature resistant, hard outer protective insulating layer and wear-resistant stranded conductors used by the ABS harness assembly, but the number of cores shall be greater than 133. The power line of 6、, such as the output line of starter alternator and battery line, is a special wire which can bear large current and has good insulation and heat dissipation performance and low voltage.

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