The Common Failure Of Wiring Harness!

In this issue, Xiaobian will bring you several common failure modes of automotive engine wiring harnesses, which will be analyzed and discussed to provide a strong basis for the subsequent optimization and improvement of wiring harnesses.
In fact, the more common fault is the wiring harnesses burnt, ablative wiring harnesses, ablative engine wiring harnesses "more dangerous" a failure mode, why so say? You know, the ablation can even set the car on fire. In general, these will lead to wiring harness failure, friends should pay attention to oh!
1. The distance from the thermal radiation source is too close, resulting in fast aging speed of the wiring harness.
2. High-temperature gas leaks around the wiring harness, and the ambient temperature of the wiring harness exceeds the temperature range that the material can withstand.
3. The working environment is relatively closed, less air convection, mainly rely on radiation heat dissipation, heat dissipation speed is slow.
4. Overload of circuit load leads to severe heating of wire and burns out the external insulation sleeve.
5. Failed to fix and protect the wiring harness. Wiring harness near the engine, exhaust pipe, water pipe and other heat sources, often because of the lack of wiring harness clip fixed and scalded, even scorched, resulting in electrical equipment can not work normally.