4hi

Recently picked up a 2000 TJ with the 4.0L engine and a manual transmission. It's lifted 6" with the Skyjacker lift. When I shift into 4hi, the engine just revs. It's as if the clutch is still engaged. Drives fine in 2wd. I can see the linkage move from underneath and it doesn't look like...

So I'm New to this whole forum thing but I was told that I could get help with issues that I have with my jeep, so here it goes... So I have a 2006 stock LJ Rubicon, and I was driving up my driveway and i shifted into 4HI and shortly after, I put it in neutral and attempted to shift into 4LO...