LED Global 7 Pin Aluminum Plug
7 Pin Plugs are used for road lighting only.
Aluminium
12 Volt
This is currently the most popular plug used for towing as it does the lighting on most trailers and caravans.
This is slowly being replaced by the European 13 pin plug and will become less popular as the reverse light is introduced to new trailers between now and 2012 when it will be legal requirement.
