Reliable adapter from ring which enables the road lights to be connected from a towing vehicle with a 13 pin socket to a trailer with a 12n 7 pin plugadapter plug to allow you to plug a 7 pin plug into a 13 pin socket converts european tow bar to uk specification for 12v lighting onlycolour swatchmultiheight45cmlength cm65cmwidth7cmadditional notesadaptor plug to allow you to plug a 7 pin plug into a 13 pin socket converts european tow bar to uk specification 12n 7 pin plug to 13 pi