Dual filament bulbs, could be the low beam filaments are out. If they went at the same time though it's more likely a corroded connection on the dimmer switch.
2.5" on the suspension, 1" on the shackles, 2" on the body, 4.88 Superior Gears, 35" Goodyear MT/R with Kevlar, MSD-6 Offroad ignition box, Flowmaster Exhaust, Warn 9.5Ti Winch, Detroit Tru-Trac Front, Detroit Locker Back
"She may not look like much, but she's got it where it counts, kid. I've made a lot of special modifications myself." -Han Solo