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I have both the AW4 service manual, and the shift pointers documents, and reviewed both many times. Jeep is an '89 XJ, 4.0, AW4. Was shifting fine, t-case was replaced, and it no longer shifts out of first gear. We unplugged the TCU, and it shifts fine manually. I probed the TCU connector...

I would REALLY like to have the space currently occupied by the floor shifter in my '91 AW4 equipped XJ, and thus have been thinking about a few different options. One is moving the factory shifter back, and maybe to the side a bit more, but I think the much better option is to just swap to a...

'91 XJ/4.0L/AW4. I don't have my wiring diagrams handy (they're at home, I'm not), and was going to pick up an Autometer oil pressure gauge today to replace the stocker. Can I just replace the stock sender with the Autometer, or does the factory sender feed another circuit as well? I've had...

I tried searching, found all kinds of threads on headers, and how to get more power. What I couldn't find is any discussion on what headers do to low end torque. My XJ spends a LOT of time in the rocks, and one of the big reasons I'm running a Jeep is the 4.0L engine. Like many others, I have...

Warn X9000i winch, sounds like a garbage disposal when powering in or out, whether engaged or not (pulls fairly smooth when disengaged). Pulled it apart, and found grease that looked more like clay than grease, lol. Cleaned it out the best I could with a couple cans of brake cleaner, and relubed...

'91 XJ, putting in my rock lights today. Would like to use the factory fog light switch for the lights, but can't find the connectors at the bumper. My XJ is a low optioned model, and didn't come with the fog lights factory. I added the switch in the panel, and the indicator light does...