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Electrics: 13 Pin Electrics

13 pin electrics have been the norm in Germany and most of mainland Europe for many years. The 13 pin system replaces the twin electrical system currently used in most UK caravans.

The 13 pin system became standard in the UK on 2009 model caravans, these first started appearing for sale around September 2008.

Even if towing a caravan with twin 12N and 12S twin plugs some times you may wish to fit a 13 pin socket. This is because some detachable towbars have a swivel plate for the electrics to be hidden when not in use. The swivel pate is usually designed for only one socket and may not work properly is a "piggy back" plate is used to fit 12N and 12S twin electrics.

Some vehicles (such as many BMW's and Audi's) allow for the purchase of a bumper cover from a main dealer which covers a bumper cut on the vehicle. These bumper covers are designed by German car makers and as such are designed to fit one 13 pin socket.

13 pin electrical socket

Terminal Number Function ISO Colours Colours using 12N & 12S Core Cable Other Colours
1 Left hand (nearside) indicator Yellow Yellow
2 Fog Light(s) Blue Blue
3 Earth to vehicle White White
4 Right hand (offside) indicator Green Green
5 Right hand (offside) side light Brown Brown
6 Brake lights Red Red
7 Left hand (nearside) side light Black Black
8 Reversing light Pink Yellow
9 Permanent power Orange Green  Purple
10 Switched supply for fridge Grey Red Blue
11 Earth for pin 10 White/Black Black Red or Clear
12 No allocation - (Tape blue back) Brown or White/blue or Buff or Black
13 Earth for pin 9 White/Red White Black/Red


All prices include VAT. Towbar prices do not include towballs, electrics or delivery.
Towbars Direct, Norbrook Trailers Ltd, Tarporley Road (A49), Whitley, Warrington, Cheshire WA4 4DS
Telephone: 01925 730 005 Email:
sales@towbarsdirect.co.uk

Home | About us | Towbars | Electrics | Accessories | FAQs | Deliveries | Collections | Price List | A member of the NTTA