When you have a towbar fitted you are likely to be asked whether you would like single or twin electrics fitted.

Single electrics – Your car is wired up to only power the road lights on your caravan which is the minimum requirement

Twin electrics – Your car is wired up to power the road lights, reverse light (if any), run your fridge and charge your leisure battery (if you have a battery charger on board – most modern caravans do)

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