ISO 11446
Encyclopedia
ISO 11446:2004 specifies a 13-pole electrical connector
between towing and towed vehicles with 12 volt electrical system.
Electrical connector
An electrical connector is an electro-mechanical device for joining electrical circuits as an interface using a mechanical assembly. The connection may be temporary, as for portable equipment, require a tool for assembly and removal, or serve as a permanent electrical joint between two wires or...
between towing and towed vehicles with 12 volt electrical system.