What are the principles of analyzing automotive wiring harness design?

Sedan wiring harness planning guidelines
Sedan wiring harness is the main body of the car circuit network. There is no wiring harness, there is no car circuit. With the improvement of people's safety, comfort, economy and emission requirements for cars, more and more electrical appliances and functions on the car. As a result, the wiring harness connecting various electrical appliances has become more and more complex, and has become a common part of modern car problems. As a result, the car's planning, production and production is more and more attention. How to improve the wiring harness of the car has become the focus of attention, with the host factory to increase the pre-development efforts has become an inevitable trend.
 Wiring harness planning process and production process?
 (1) electrical layout engineers should provide the entire vehicle electrical system function, electrical load and related special requirements. The condition of the wiring harness and electrical equipment, device orientation and docking method.
(2) Based on the electrical function and requirements, make the electrical schematic diagram and circuit diagram of the whole vehicle.
(3) According to the electrical schematic diagram of the electrical subsystems and circuits for energy allocation, including power grounding wire and grounding address allocation.
(4) According to the distribution of the electrical components of each subsystem, confirm the wiring of the wiring harness, the electrical components connected to the wiring harness, and the direction of the car; confirm the external maintenance of the wiring harness and the maintenance of the over-hole; confirm the fuse or circuit breaker based on the electrical loads; from the head of the color; based on the electrical equipment's own articulator, to confirm the type of terminals and sheaths connected to the wiring harness.

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