Automotive Wiring Diagram Color Codes. Automotive electrical diagrams provide symbols that represent circuit component functions. In many cases a bundle of these colored wires will be grouped together and sealed within a black or grey cable.
The first letter is the main color of the wire and the second letter represents the striping. Another way that diagrams include the wire color is by using a two letter code. The following iec dc wiring color codes are used for two wire grounded two wire ungrounded and three wire grounded dc power systems.
Automotive wiring diagram basic symbols.
Automotive wiring diagram basic symbols. Black red and blue are used for 208 vac three phase. Workshop and repair manuals service owner s manual. Try it for yourself.