7 pin din plug wiring diagram | Tom's Guide Forum Hello, I was wondering if you can tell me the correct wiring diagram for 7 pin din pulg so i can set speakers for my phillips N4506 reel to reel tape recorder as it as no speakers inside so I can run it on the line in/line out plug in using the 7 pin din pulg can you help me please thank you 7 pin 'N' type trailer plug wiring diagram | UK-Trailer-Parts 7 pin āNā type trailer plug wiring diagram. Jun 09 2011 Filed In: Lights, Wiring Diagrams. The 7 pin N type plug and socket is still the most common connector for towing. This supplies power to the road lighting of your trailer or caravan. This has now been replaced by 13 pin Euro plugs on all new caravans. Leads Direct | Din & Midi Wiring Din & Midi Wiring. This page gives DIN Plug Configurations. Click image to enlarge 2 Pin DIN Speaker Connections. The 2 pin din is not a round connector like the more common 3 to 7 pin varieties. Although the body is typically round, there is no shroud and it simply has one wide spade type of 7 pin 12N wiring diagram. - Towing and Trailers 7 pin 12N wiring diagram. 12 N type plugs are used for road lighting only. This is currently the most popular plug used for towing as it does the lighting on most trailers and caravans. Trailer Wiring Diagrams | etrailer Trailer Wiring Diagrams. The round pin style is very rare. The RV style 7-way with flat pins (or blades) is very common. It is often found on newer trucks and SUVs that come equipped from the factory with a such as the larger 7-way round plug, you can use our adapter fitguide to find the one that is right for your vehicle and trailer