What is a complete vehicle wiring harness? What are the main functions and application areas of a complete vehicle wiring harness?

Vehicle wiring harness refers to the automobile will be a variety of electrical, electronic and power system cables, connectors and accessories together to form a comprehensive set of electrical systems. It plays a vehicle in a variety of sensors, actuators, switches, control units, etc. connected, and through the cable transmission signals and the role of electricity. The main functions of the vehicle wiring harness include: 1. Electrical connection: the vehicle wiring harness will be connected to the vehicle in the various electrical and electronic components, including engine control units, sensors, instrument panels, lighting systems, braking systems, air conditioning systems. They transmit signals and electricity through the wiring harness to realize the communication and coordination of work between the various systems.2. Signal Transmission: The wiring harness of the whole vehicle carries the transmission of signals between the various systems and components of the vehicle, including the signals of the sensors, control signals, transmission of data, etc. The wiring harness is used to transmit the signals between the vehicle and its components. Through the transmission of the wiring harness, it ensures the information exchange and coordination of work between various systems.3. Power supply: The wiring harness of the whole vehicle provides the power supply required by various electrical and electronic devices in the vehicle. It transmits electrical energy from the power source to various components, such as batteries, engines, electric motors, electric windows, air conditioning systems, etc., to ensure the normal operation of the vehicle's various systems.4. Protection and isolation: The wiring harness of the whole vehicle not only transmits signals and electricity, but also plays a protective role for cables and electrical equipment. It uses insulating materials and outer sheath to prevent the cable from environmental, vibration and physical damage to ensure the reliability and durability of the harness. The application fields of the whole vehicle wiring harness are wide, covering the entire automobile manufacturing and use process: 1. Automobile manufacturing industry: the whole vehicle wiring harness is an indispensable part of automobile manufacturing. In the automobile production line, the whole vehicle wiring harness is pre-made and installed to the vehicle body. It works closely with other parts of the vehicle to ensure the normal operation of various systems.2. Automotive design and development: the vehicle wiring harness plays an important role in the automotive design and development process. It needs to be designed and customized according to the functional requirements of the vehicle, the design and layout of the electrical system. At the same time, it also needs to consider the cable length, the reliability of the harness, protective measures and other aspects of the factors.3. Automotive repair and maintenance: In the process of automotive repair and maintenance, the entire vehicle wiring harness is also a key part. Maintenance personnel need to check and repair possible failures in the wiring harness, such as broken wires, short circuits, corrosion and so on. At the same time, the replacement and updating of the wiring harness is also part of the maintenance work.4. Automotive electronic system: the entire vehicle wiring harness plays a role in connecting and transmitting signals in various electronic systems of the car. It involves the engine management system, body control system, safety system, entertainment system and so on. Through the vehicle wiring harness, these systems can realize the interaction of data and control signals.5. Automotive safety and reliability: the vehicle wiring harness has an important impact on the safety and reliability of the car. It needs to comply with all safety standards and regulations to prevent the occurrence of circuit short-circuit, overload and other problems. At the same time, good wiring harness design can reduce electromagnetic interference and cable loss, improve vehicle reliability. The whole vehicle wiring harness is the core component of the automotive electrical system, which realizes the coordinated work of each system of the vehicle by connecting and transmitting signals and electricity. It plays an important role in the fields of automobile manufacturing, design, maintenance and electronic systems.

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