Circuit diagram of Shenlong-Fukang DC7140 car diagram reading method example

　 Figure: Example of how to read the circuit diagram of Shenlong Fukang DC7140 car
(1) The two letters written on both sides of the wire indicate the code of the wire bundle where the wire is located. TlB in the picture indicates that the wire is in the TB wire bundle, and other wire bundles Such as PB, MT, AV, CP, FR, and MV are the main wiring harness names of this vehicle.
(2) The color of the wire is represented by the letters near the connector and the horizontal line above it. The letter with a horizontal line above it represents the basic color of the wire, and the other letter represents the stripe color on the wire to indicate the same color wire. To distinguish each other, the color codes are:
B - white; BI - blue; N - black; V - green; Vi - violet; s - yellow; G - gray; R - red; J - lemon yellow