jeep 4wd linkage

2002 TJ runs great in 2 wd. I tried to engage 4wd high and moved the leaver to the correct position in neutral. Nothing. The leaver will not go back to 4 H. I moved it to 4L not engaging that either. Leaver will not return to 4h position. Any help welcome. I am new to the TJ world it could be...

Hello Everyone, So I went to put my 06 TJ into 4wd and noticed that the handle pulled up really easy,-I could also tell that 4wd was not engaged (the light has never worked, but I never really needed it). I took a look at the linkage underneath, and noticed that the pin had come out of the...