ISO 11446:2004 specifies the dimensional characteristics of, and contact allocation and tests and requirements for, 13-pole connectors for the electrical connection of towing and towed vehicles with 12 V nominal supply voltage. It also specifies a park socket for receiving and storing the plug when it is disconnected.
ISO 11446:1995/Amd 1:1997
ISO 11446:2004Stage: 95.99
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