Sorry I should have pointed that out, I posted I had a Ghia because I have all the mod cons, that is why I can't understand why this plug isn't in use unless Ford have put the same connector from the front onto the rear. Then I assumed it could be electric and heated door mirrors. I have electric windows all round, I can't see what else the rear doors could have other than that :? I guess it is safe for me to drill it out in the rear, wiring to the fronts is going to be hard though if both plugs are in use...