4WD engage problem would like some help
My uncle has a 89' yj with the 4.2 I6 auto. now this is not the yj in my sig. it has the 4 1/2 inch lift 33 swampers it recently had some carb work and after he got it back from the shop the front axle will not engage the t case will go into 4 lo and what not but the front tires have zero power to them. there is a sh*t ton of vacuum hoses on this yj.anyone got any pointers or had this problem before what do we need to look for.
94' YJ 4 1/2 spring under still for now. 33s open front rear(for now) 4 cyl 5 speed 4.10 stock gears