GB/T 25086-2010
ActiveRoad vehicles - Connectors for the electrical connection of towing and towed vehicles - 7-pole connector type 12S( supplementary) for vehicles with 12V nominal supply voltage
道路车辆 牵引车和挂车之间的电连接器 12V7芯辅助型（12S）
Application Summary AI generated
This standard specifies the dimensional, electrical, and performance requirements for 7-pole supplementary connectors (type 12S) used in 12V electrical systems for connecting towing vehicles (e.g., trucks, SUVs) to towed trailers or caravans. It is applied in the automotive industry to ensure standardized, reliable power supply and signal transmission for auxiliary functions like reversing lights, fog lamps, or battery charging between the towing and towed vehicle. The standard is critical for compatibility and safety in trailer towing applications across China.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.