Horse Trailer Electrics Wiring Guide

Wiring Guide

Wiring Guide.

Types of Horse Trailer plugs available and general description.

7 pin 12N

  • This is commonly known as ‘N’ type
  • It is normally black plastic or it is available in aluminium
  • It has 7 wires for lights sufficient to make a trailer legal
  • Reverse lights cannot be operated from this.

7 pin 12S

  • This is commonly Known as  ‘S’ Type
  • The plugs are grey plastic and the sockets are black plastic with a grey lid
  • It has 7 wires which are power for a caravan and reverse lights

13 pin

  • These are known as euro plugs
  • They are black plastic
  • These combine all the items in N and S type

There are other plugs available but those shown above are the ones that are regularly used on 12v cars and caravans.

Wiring diagrams



‘N’ type

  1. Yellow                L/H indicator
  2. Blue                    Fog light
  3. White                  Earth
  4. Green                  R/H indicator
  5. Brown                 R/H tail / side light
  6. Red                     Brake lights
  7. Black                   L/H tail / side light

See our stock link for replacement electric plugs all which are delivered with a hard copy of the wiring guide


Horse Trailer Parts Direct

Horse Trailer Parts Direct provide a comprehensive range of horse trailer parts online in the UK. Our horse trailer spares are all oraganised in to categories to help you find exactly what you want. Simply move your mouse cursor over the category links at the top of this page to see a drop down menu of our categories. We provide parts for Ifor Williams horse trailers in addition to other popular brands and setups. So, if you're looking for parts for trailers or any kind of trailer accessories please take a look at our website to find what you need. If you any questions please call us on 01305 269393 and we'd be delighted to help you.

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