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Here are the stats: 88 XJ Wagoneer with AW4 and 4.0L Renix Here is the issue: Battery went dead. Replaced battery and now vehicle won't start. The starter turns the engine but it never cranks. What I've already tried: 1. Reharnessed and replaced the CPS sensor (done by dealer when having...

88 XJ 4.0L 242TC, I have about 20 years on my rig and some of my big bolts keeping my control arms in place have gotten pretty rusted and in bad shape especially the threads. The guy who aligns my rig recommended that when I upgrade my control arms and shackles that I replace those bolts. I...

Details: 1988 XJ Wagoneer 4.0L 4WD (242) Jeep will start and then die as soon as the start switch is released and will eventually start after about nine to ten tries. Jeep idles perfectly once started. Jeep never has died once started. Jeep has no idiot lights on (Service lights are a no...

I have searched and am having trouble finding exactly what i am looking for: My compressor has gone out, the dealer said i would need to get a replacement but don't want the dealer to do it as he costs more than the jeep to get it fixed... got an 88 XJ 4.0L that has been retrofitted with a...

I need to know where the Transmission electronic control module is on a 1988 Jeep XJ AW4 4.0L 242TC (Under dash or kickpanel maybe?). Also has anyone succesfully updated (software/firmware?) one of these or do you just replace them with junkyard swaps when they are suspect? Finally, which...

I am trying to verify I have the most up to date flashed TCM and the dealer told me it does not have a TCM that the transmission (AW4) is controlled by the ECM my model year??? I was quoted 331.62 for part number JR007842 and told that was all they could do for me. I have read on several other...

I had my snorkel drop shipped at a body shop who proceeded to lose the mounting/hardware for the snorkel. I have the snorkel body, the cap, the hose and the airbox mount. I do not have the mounting bracket for the upper section of the snorkel nor the bolts, ring clamps or the template for...

I have some suspension work to do and am looking to replace my factory upper and lower control arms. I use my jeep to mainly do civilian beating of pavement but occasionally beat it against the frindly rock or two. I am interested in getting some stronger control arms but am wondering the...

I have been trying to research the upgrading of my brakes with this forum and googling everything under the sun to try and get a good plan together. I have an 1988 XJ wagoneer limited with the upgraded tow package (Dana 44 rear/ 30 front) and am curious of these two questions: 1. Can the...

My back power windows were moving very slowly and not going down as far as they used to. I have taken off my door panels of my rear power windows (88 XJ). The part that is anchored to the window and that the motor uses to operate the window has several rust parts and seems to have lost its...

I have an 88 XJ that the Tranny Computer is acting up. I was going to buy a junk yard tested one but don't know if you can get from any other years. Specifically has anyone tried a 90 or 89 tcu in an 88 XJ? (4.0L 4X4 AW4 w/242)