Conversion Lead - 7 pin N & S Plug to 13Pin Socket The Twin 7 pin to 13 pin conversion lead is designed to a 13 pin on the trailer or caravan to an older vehicle that has twin 7 pin sockets. with most modern caravans and trailers being fitted with 13 pin plugs as standard you will need this to be able to tow with older vehicles. Benefits and Features Conversion adaptor lead with 2 x 7 pin plugs (12N & 12S) and a 13 pin socket when towing a caravan. Converts a 12N & 12S socket into a 13 pin socket. Model type: wired adaptor assembly Plug pins: brass Socket pins: nickel plated Easy to use, no need for expensive re-wiring Easy to fit, use and store Provides a connection for full road lighting and caravan power supplies Questions And Answers 1. When did The 13pin socket come out? in 2009 2. I only have one 7 pin plug on my vehicle? We sell many different versions please check our other listing.