Possibly blew a fuse. Check the fuses on the wire that leads to the lights. Pretty basic but can be forgotten. In my case the entire wire fried but I never use them so I haven't done anything about it yet.
97 Wrangler SE, 33'' KM2S, 4'' lift?, warn front bumper, rugged ridge 8500 HD winch, spare swing open tire carrier, genright rock sliders and other extras