Tuff Stuff 20" light bar and dually lights. With 3 young kids I had to do this over the course of 2 weeks....a little bit at a time. I found connecting the upfitter switches the easiest and getting those duallys in the bumper openings a pain in the ass. Used switch 4 for the light bar, switch 3 for the spots and switch 2 for the floods. I ended up taking the bumper off, taking off the metal structure brackets and then removing the bumperettes to drill the holes for the 20" cradle. Really wasn't all that bad but I had to adjust the bumper a few times so the duallys would fit in their properly. Was definitely worth it as these lights are bright and carry an 18 month warranty.