try putting it in 4lo. youll definatly be able to tell if it is on or not. it might be the light burnt out if you had it on for a while the first time.
2003 Rubicon, 4.0L, 5SPD, Custom 4.75" lift, 33" MT Baja Claws
1999 SE, 2.5L, 5SPD, sold it
PM me for wheeling in and around Northern Illinois