ISO 7638-2:2018 Preview
Road vehicles -- Connectors for the electrical connection of towing and towed vehicles -- Part 2: Connectors for braking systems and running gear of vehicles with 12 V nominal supply voltage
This part of ISO 7638 gives the dimensions of, and specifies the contact allocation and tests and test requirements for, connectors for the electrical connection of the braking systems and running gear of towing and towed vehicles with 12 V nominal supply voltage. In addition, it specifies a park socket used to receive and store the plug when disconnected.
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