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Posts tagged towbar wiring diagram

Trailer plug wiring

Feb22
2013
Written by carbadmin

If you are looking trailer/caravan or towbar wiring it is important not to get the two following connector types mixed up. Hopefully this will clarify:

Type 12N Plug

Trailers must be equipped with sidelights, brake lights and indicators. This is done via a type 12N plug which is the most common connection found fitted to the rear of vehicles.

See trailer plug wiring for more details

Type 12S Plug

The type 12S connector on a towing vehicle is for supplying the supplementary power required by the caravan/trailer reversing lights.  On a caravan it is also used for interior lights, battery charger and fridge.

See supplementary power plug for Caravans and trailers

Posted in plug wiring posts - Tagged towbar wiring, trailer plug wiring, wiring a trailer plug

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