Basic classification of automotive wiring harness
Release time:
2023/04/25
Source:
The vehicle wiring harness of the car mainly includes cab wiring harness assembly, floor wiring harness assembly, left and right door wiring harness assembly, ceiling wiring harness assembly, chassis wiring harness, battery wiring harness, engine wiring harness, ABS and AMT and other related functional wiring harnesses, each wiring harness has different functions.
The cab harness assembly is mainly connected to the electrical devices assembled on and under the dashboard in the cab, mainly including combination instruments, audio systems, electrical junction boxes, BCM, clutch switches, brake switches, electronic accelerator pedals, cigarette lighters, backup power supplies, combination switches on the steering tube strings, ignition locks, horn switches, and outdoor lamps;
The floor harness assembly is mainly connected to the safety belt switch and gear signal;
The left and right door wiring harnesses are mainly connected to speakers, electric windows, door locks and related switch parts;
The ceiling harness mainly connects the ceiling light and the position light outside the cab;
The chassis wiring harness mainly connects generators, compressors, starters, condensing fans, chassis electrical junction boxes, ECU vehicle interfaces, after-treatment interfaces, transmission-related switches and sensors, front and rear axle brake pressure sensors, fuel level sensors, combined rear taillights, license plate lights and chassis assembly related switches and sensors;
The battery harness is the power supply harness of the whole vehicle, which is mainly responsible for the connection of the battery, the main switch of the power supply, the starter and the iron wire of the whole vehicle;
Engine wiring harness, ABS wiring harness and AMT wiring harness belong to special wiring harnesses, and there are many sensors and actuators on the assembly, and the design and arrangement idea is to integrate and arrange all electrical devices on the assembly and then connect with the vehicle wiring harness.
The division of the wiring harness has a certain relationship with the structure and assembly process of the whole vehicle, so it is not limited to the above form of division. As long as it meets the requirements of simple wiring harness structure, easy disassembly and assembly, beautiful layout and good fixing protection.
For different models, due to different configurations, electrical devices will also have corresponding increases and decreases, and the category of vehicle wiring harnesses will not change greatly by changing the wiring harness or designing related additional wiring harnesses in the wiring harness design.
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