Plughas round brass pins to ensure minimum voltage drop and pull grips for easy insertion and removal. Great Prices for the best trailer wiring from Pollak. Pollak Heavy-Duty, 7-Pole, Round Pin, Trailer Wiring Connector - Trailer End part number PK11700 can be ordered online at call for expert service. 12N7pin Trailer & Caravan Lighting Wiring Diagram. This is the standard UK wiring of a the normal socket and plug otherwise known as 12N. The diagram below shows the view from outside the vehicle socket (under the flap) and from inside the trailer or caravan plug. Pin No. Function. Inorder to do that, there must be power to the trailer. A 7-pin plug (sometimes referred to as the “7-way trailer connector”) is the connector and heavy-duty wire that brings the necessary power and related functions to the trailer you’re towing. The connector is 2″ in diameter and is often found on heavy-duty trailers such as RVs Narva7 & 12 Pin trailer connectors comply with all relevant ADRs. A colour coded trailer plug wiring guide to help you require your plugs and sockets. Includes guides for 7 pin, 6pin, 5 pin, 12 pin, 13 pin, pin and heavy duty 813 Pin Plugs & Sockets. The 13-pin wiring system has historically been the standard European wiring for all trailers and caravans. More recently it has replaced the old style 12N/12S wiring system usually found on caravans built in the UK. Since the introduction of European Whole Vehicle Type Approval legislation in 2014, it became necessary PollakHeavy-Duty, 7-Pole, Round Pin, Trailer Wiring Connector - Trailer End - PK11700. Retail: $25.78. Our Price: $15.90. (99) In Stock. Add to Cart. Establish a secure connection between your trailer and semi or other tow vehicle with this heavy-duty, 7-pole plug. Plug has round brass pins to ensure minimum voltage drop and pull grips for 7Pin Trailer Plug Wiring Harness （6ft）with 7 Gang Waterproof Junction Box, Heavy Duty 7 Way RV Trailer Replacement Wiring Harness Kit. 4.7 out of 5 stars 90. 200+ bought in past month. More Buying Choices $13.41 (13 Theseplugs can still be found on older trailers and boat/horse trailers. 13-pole plugs are used with caravans and more modern objects. A caravan always has a 13-pole connection. Wiring diagram for 7-pin connector. Direction indicator left | yellow; Rear fog lamp | blue/brown; Mass (for contacts 1 to 7) | white; Direction indicator right | green Adaptor7 Pin Vehicle To 13 Pin Trailer MP6005. For the connection of a trailer equipped with a 13 pin plug to a towing vehicle equipped with a 7 pin 12N socket MP6005B. Model type: plastic mini adaptor block. Pins: brass. No need for expensive rewiring. Easy to fit and store. Provides a connection for road lighting functions (excluding reverse) 4Pin Flat Connector. At a minimum, all trailers need at least 4 functions: Tail lights, Brake lights, Left & Right signals. 4 wires will give these functions, so the simplest scheme is a 4-pin connector. The most common 4 wire connector is NbxvP.