Hi just bought a second hand tow bar for my Vitesse mk2 . I placed the Wanted ad with TSSC , very useful for sourcing . my research suggests there are 2 types , 1 where the tow bracket is bolted through the rear valance and 1 where the bracket  comes under the rear valance. Mine is the former I believe . There are no instructions , any tips about fitting appreciated . My pic shows how I think it should go with the top bracket bolted to the diff , the short cross piece fitting through the bo