ISO 11446:2004 specifies a 13-pole electrical connector between towing and towed vehicles with 12 volt electrical system. It was developed in 1987 by Erich Jaeger to replace older 7-pin plugs.

Notes

References

Sources

• Right Connections UK Limited

• ISO 11446 (2004)

• ISO 11446-1 (2012)

• ISO 11446-2 (2012)