Hi I have a 2002 Monaco Diplomat. I just did my headlights but what I did was just go to the rear of the housing and pull the bulb. I replaced it with a silver tip bought in local Orieily auto supply. Then I got 1500 grit sandpaper and I wet sanded the lenses. You can use 2000 which works even better. Then I got a lense polish kit and did both lenses again. My lenses are like glass and my headlights shine perfect. My experience is that the electric system in this older coach may not support LED. I tried LED bulbs for my brake light and signals and they would not work. Something about they dont pull enought juice to activate the relays.