Purchased my C-Max from a Ford dealer and asked for a factory fit towbar which was described as coming complete with 13pin electric socket. Recently pruchased a new caravan also with a 13pin electrical socket. When connected the power to the fridge and caravan battery charging didnt work. Took it back to a Fordmain dealer(Macrae & Dick Inverness) who explained after consuting with Ford GB:- Ford factory fit the towbar but do not connect the electrics to the fridge or battery charger on the socket. The 13 pin is a continental standard and Ford are under no obligation to fully fit the electrics. Owing to the Super BatteryCharger on the C-Max it could cause problems with the alternator.- They further went on to explain that they could retro fit a relay to protect the alternator and then connect the wiring completely at a cost of approx £160. I explained that I had bought the car supposedly with a working towbar but had no joy. I took the car to a Ford agent who are to get the part and fit it for free. Has anybody else had this problem?