Not replying, but need to locate my TCU. 96 Cherokee, 4.0L, AW4 Trans. Just replaced the tranny w/ a salvage 88,000 mile. Same problem exists. "Freewheels" like its not in a gear after it's warmed up. I can shut it off, let it sit a couple seconds and can drive off, a few minutes(mph) later, back to 'freewheeling'. Have read several posts, baffled by what hopefully is an 'external' problem maybe? Any help would be greatly appreciated.