the mk2 mondeo headlamps fix with 3 bolts on each lamp. one behind the grill, one on the top outer edge, and one on the back of the lamp at the very bottom (onto the inner wing).
i was under the impression the contour lamps fixed to the bumper? so conversion work would be necessary.
unless your getting mondeo morette quad lamps, dont get the normal mondeo lamps cos they look crap compared to the clear contour lamps.
and i've got proper morettes on my mondeo, and they arent a perfect fit!
