Wire Colors in Automotive Electrical Systems
* Black: Ground (-)
* Brown: Ground (-) (typically for body components)
* White: Ground (-) (typically for computers)
* Red: Power (+)
* Yellow: Power (+) (typically for lights)
* Orange: Power (+) (typically for accessories)
* Blue: Lighting (+)
* Green: Lighting (-)
* Purple: Power (+) (typically for ignition switch)
* Pink: Power (+) (typically for starter motor)
* Gray: Power (+) (typically for fuel pump)
* Tan: Power (+) (typically for relays)
* Light Blue: Power (+) (typically for HVAC)
* Dark Blue: Power (+) (typically for windows)
* Yellow with Red Stripe: Power (+) (typically for brake lights)
* Blue with Red Stripe: Power (+) (typically for turn signals)
* Brown with Red Stripe: Power (+) (typically for taillights)
* Violet with Red Stripe: Power (+) (typically for backup lights)
* Orange with Blue Stripe: Power (+) (typically for license plate lights)
* Green with Yellow Stripe: Power (+) (typically for emergency flashers)