anybody know who can fit a new wire rope in my folding camper?

hi i have a wind up hard top camper but disaster struck sunday 14th june 1 of the 8 wire ropes that wind the roof up has snapped luckily its the shortest one near the winding mechanism but the camper is fully set up stuck on the driveway its a conway cardinal i have looked on the net and a company sells the wire rope at 96p a metre but i need some1 to fit and tension it