What are the colors of modern car lines and the corresponding letter codes?

Wire colors: B stands for black, W stands for white, R stands for red, G stands for green, Y stands for yellow, Br stands for brown, Bi stands for blue, gr stands for gray, V stands for purple and O stands for orange. Automotive wiring harness is the network main body of automobile circuit, and there is no automobile circuit without wiring harness. Harness refers to the contact terminals (connectors) made of copper, which are crimped with wires and cables, and then pressed with insulators or metal shells.

Bundle together with a wire harness to form an assembly that connects circuits. The harness industry chain includes wires and cables, connectors, processing equipment, harness manufacturing and downstream application industries. The wire harness is widely used in automobiles, household appliances, computers and communication equipment, and various electronic instruments and meters. The body harness connects the whole body and is generally H-shaped.

At present, whether it is a luxury car or an economical ordinary car, the wiring harness is basically the same in form, and it is composed of wires, plug-ins and packaging belts. It is necessary to ensure not only the transmission of electrical signals, but also the reliability of connecting circuits, provide specified current values for electronic and electrical components, prevent electromagnetic interference to surrounding circuits, and eliminate electrical short circuits.