Main wiring
* Red: Constant voltage +12 V
* Yellow: Voltage +12 V after ignition switch
* Orange: +12V voltage for headlights and fog lights
* Green: Earth (mass)
* Black: Earth (mass)
* White: Earth (ground)
*Brown: Earth (mass)
Headlight wiring
* Yellow with red stripe: Right turn signal
* Green with red stripe: Left turn signal
* Blue: High beam
* White with black stripe: Low beam
*Brown with red stripe: Side lights
Audio system wiring
* Red-white: Right front speaker (+/-)
* White-red: Left front speaker (+/-)
*Yellow-black: Right rear speaker (+/-)
* Black and yellow: Left rear speaker (+/-)
Engine wiring
* Orange with white stripe: Tachometer signal
* Green with yellow stripe: Speed signal
* Red with blue stripe: Fuel pump control
*White with red stripe: Engine control unit control
Security Wiring
* Yellow with black stripe: Airbag
* Red with black stripe: Warning lights
* Orange with black stripe: Siren
Note: Wire color coding may vary depending on vehicle make and model. Always refer to your specific vehicle’s wiring diagram before performing any electrical work.