What are the color standards for automotive wiring harnesses? What are the specific standards?

Color standards for automotive wiring harnesses are based on industry norms and international standards to ensure reliability and consistency. Different standards may be used in different and regions, but here are some common automotive wiring harness color standards: ISO 10487: ISO 10487 is a standard issued by the International Organization for Standardization (ISO) that specifies color coding for automotive electrical connectors. According to this standard, here are some common color codes and the functions they represent: Yellow: Commonly used for normally closed circuits or low voltage circuits. Red: Commonly used for normally open circuits or high voltage circuits. Blue: Commonly used for lighting circuits. Green: Commonly used for grounded circuits. White: Commonly used for neutral or unassigned circuits. Black: Commonly used for ground or unassigned circuits. SAE J560: SAE J560 is a standard published by the Society of Automotive Engineers (SAE) for electrical connectors on trucks and trailers. According to this standard, here are some common color codes and the functions they represent: Yellow: for left turn signals. Green: For right turn signals. Red: for brake lights. Blue: for backup power. White: For ground. Vehicle Manufacturer Standards: Different vehicle manufacturers may have their own harness color standards for their specific electrical system needs. These standards may vary and therefore need to be identified and connected according to the specific manufacturer's standards when performing vehicle repairs and maintenance. Please note that these are only examples of common automotive wiring harness color standards and may vary by region, model year, and specific manufacturer. To ensure accuracy and safety, it is recommended that you refer to the appropriate industry specifications, manufacturer's manuals, or related resources for accurate color coding information for your specific vehicle model and region.

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