Introduction of Wiring Harness

wiring harnesses are the blood vessels and nerves that connect the car's electrical system, and they are very important components. wiring harnesses are widely used and can be used in automobiles, household appliances, computers and communication equipment, various electronic instruments and meters, etc. The body wiring harness is connected to the entire body, and the general shape is H-shaped. So, let us understand the following introduction of the wiring harness. Here are some answers.

Concept of the wiring harness.

Common specifications of wiring harnesses.

Concept of the wiring harness.

wiring harness refers to the components that are formed by crimping contact terminals made of copper material with wires and cables, and then plasticizing an insulator or adding a metal shell on the outside to form a connected circuit. The wiring harness runs through the entire automobile. It connects the various electrical equipment on the automobile and acts as a medium for the power supply and signal transmission of the equipment. wiring harness is often compared to the neural network system of the automobile. Therefore, the wiring harness is the main body of the automobile circuit. Without the wiring harness, there is no automobile circuit.

Common specifications of wiring harnesses.

Common specifications for wires in wiring harnesses include wires with a nominal cross-sectional area of 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 4.0, 6.0, etc. square millimeters. Each of them has an allowable load current value and is equipped with wires for different power consumption equipment. Take the wiring harness of a whole vehicle as an example, 0.5 specification wire is suitable for instrument lights, indicator lights, door lights, etc.; 0.75 specification wire is suitable for license plate lights, front and rear small lights, brake lights, etc.; 1.0 specification wire is suitable for turn signals, etc. The 1.5 specification line is suitable for headlights, horns, etc.; main power lines such as generator armature lines, grounding lines, etc. require 2.5 to 4 square millimeters of wires. This just refers to the general car, the key is to look at the maximum current value of its load. For example, the ground wire of the battery and the positive power wire are used separately for special car wires. Their wire diameters are relatively large, at least more than ten square millimeters. These "big Mac" wires will not be incorporated into the main wiring harness.

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