Automobile Engineering | Explain wire harness and state any four color codes used in wiring system.

Wire harness:

  • In order to quickly identify and also to simplify the wiring system, the cables are colored. 
  • For quick identification, insulation's of various wires in a circuit are assigned different colors. 
  • The seven color code system is the general one and involves brown, yellow, red, white, green, blue and black colors. 
  • In motor vehicle wiring system there are number of wires for different systems such as head lamp, fog, side indicator, horn etc. 
  • As the wires are more for each circuit, we have limited space for making of suitable arrangement of wiring. 
  • Thus following seven color code system mentioned below, used in an automobile: 

Color codes

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