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Automotive wiring harness on the material requirements are also very strict:
Including its electrical properties, material spatter, temperature resistance, etc., are higher than the general requirements of the wiring harness, especially related to the security aspects: such as the direction of the control system, brake these important components of the wiring harness, more stringent requirements.

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1, the engine ambient temperature is high, corrosive gases and liquids are more, therefore, the engine harness wire must use high temperature, oil, vibration, friction wire.
2, automatic transmission on the wire is used to resist hydraulic oil, high temperature, good temperature stability of the wire.
3, luggage compartment cover wire harness to maintain its elasticity at low temperatures, so use cold elastic wire to ensure its normal work.
4, weak signal sensors to use shielded wires, such as knock sensors and crankshaft position sensors, ABS wheel speed sensors.
5, ABS harness assembly using the resistance of 150-200 ℃ high temperature, the outer protection of the insulation layer hard, wear, but the core to be greater than 133 stranded wire.
6, power lines such as starter alternator output line battery wire used in the wire to withstand high current insulation layer heat dissipation performance, the voltage drop of the special wire.