4L from a stop. 4H can be done rolling.
Maybe you need to get underneath and help the linkage or disconnect it and then move the shifter arm in the tcase
Sent from underneath my Jeep
89YJ 2.5L TBI, AX-5, NP231 SYE, Ford 8.8, Yukon Grizzly, Tom Woods Shaft, 33" BFG T/As, 4" lift, Warn VR10000s.
AF Jeep Club Tail #184