Did you install a transfer case drop along with your lift kit? If so that is your problem, the t-case drop threw your linkage out of whack and you need to adjust it. Very easy 5-10 min job.

Hope this helps,
Fred R.

97 ZJ, 5" Long Arm Lift, Beadlocked 35's, 231/D300 Doubler, Locked Front & Rear (Narrowed HP D44 & F8.8), ARB Bull Bar & 9K winch, 1-Ton Hydro-assist steering, "Custom" body work and some other goodies... PICS