Need help. Has anyone fitted a towbar and wired it up without the dedicated cable. Mines a 14 plate diesel, if I could get away with the specific dedicated cable. I've spliced in on other cars but read somewhere that the mazda 6 needs it, but for the life of me can't find where I read it. Called Mazda, and they only do a 13pin not the 7 that I need, they also could not, or would not tell me if I could just splice into the existing light cables, or if a seven pin was available. Any ideas?