Hey guys my jeep will start to wobble at 45-55 mph but I notice it only start to shake when the Rpms drop to around 2000 and it doesn't shake when I step on the gas to accelerate it also shook a little while in park and while in revers . I have replaced plugs wires and distributer cap. Also when I was climbing a hill in 4x4 it start to like bog out like it was I'm to high of a gear is it Saposed to ???

 

No it shouldn't wobble or shake at lower rpms. That could be a sigh of worn motor mounts that need to be replaced.

Vacuum leak, sensor issue, dirty battery terminals, dirty/loose ground.. Just some common possibilities for it running rough.