Match each coloured wire to the appropriate circuit (as per relating wiring diagram provided above) and place the wire end beneath the correct screw. If your Trailer Plug or Socket also contains a Saddle Device, remove this using the Phillips Head Screw Driver.Ħ. Using a Phillips Head Screw Driver, Loosen but do not remove the 7 screws. Take your 7 Pin Trailer Plug or Socket and Unscrew the Cap, remove the Cable Gland and Outer Casing.ĥ.

Twist the ends of the cable to ensure that the cable stranding does not separate.Ĥ. (We recommend a Code: KTES – KT Easy Wire Stripper)ģ. Start by stripping the ends of your Trailer Cable by 5mm using a Wire Stripper. Use this as a guide to which wire colour matches with each circuit.ħ PIN SMALL ROUND TRAILER PLUG WIRING DIAGRAMħ PIN SMALL ROUND TRAILER SOCKET WIRING DIAGRAMħ PIN LARGE ROUND TRAILER PLUG WIRING DIAGRAM:ħ PIN LARGE ROUND TRAILER SOCKET WIRING DIAGRAM:Ģ. Identify what type of 7 Pin Trailer Plug or Socket you are using from the below Wiring Diagrams. Steps to Wiring up your Trailer Plug or Socket:ġ. We recommend the following Types of Trailer Cable: Click on Table To Enlarge You want to ensure that you have the correct Trailer Cable for your installation and the correct length depending on how long your Trailer is. The length required can be easily cut using your side cutters or cable cutting tool. The below chart demonstrates the more technical specifications of each cables. 5 Core does not include the Blue and Black Cables that are traditional used for Blue ( Electric Brakes ) Black ( Aux/ Reverse ) Most trailers particularly box and standard box trailer use 5 Core Trailer Cable. There are 2 main types of Trailer Cables that are used for wiring your trailer, these are 5 Core and 7 Core. What Type of Cable Should I use to Wire up a 7 Pin Trailer Plug or Socket? Product Code: KT703M 7 Pin Flat Metal LED Trailer Socket Cable Cutters/Side Cutters (KT Product Code: KT32034).

We recommend having the following tools handy before moving forward with your installation. What Tools will I require to Wire up a 7 Pin Trailer Plug or Socket? Generally it is the same process with all brands of 7 Pin Trailer Plug or Sockets, however in this demonstration, we will be using the KT Range of Trailer Plugs & Sockets. Wiring up a 7 Pin Trailer Plug or Socket is a simple and easy process, especially with the following step by step instructions and video demonstration provided.

7 pin trailer plug wire diagram