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On my 01, it only controls fuel injectors and spark and is ground activated by the PCM. I don't know if it's the same on your year but you should try to find a FSM and it should lay it out for you. I would guess that's it's most likely the same in that it would only disable powertrain...

I'm very interesting in this as well. Theoretically I don't see why it shouldn't work with two small 12 volt batteries in parallel for same voltage, higher current carrying capacity. Before I settled on a 75/25 battery for my almost complete LS swap, I considered this but couldn't commit as...

Seeing people go nuts with the gauge integration was a massive turn off for me. I had two options, go Novak but have to keep the Jeep PCM + pay like $800 for them to do the harness or get rid of all of it and buy something like the Autometer LCD dash at the same price. I'm just waiting until my...

Tapatalk won't let me edit. For AC, I'm going to just run my own system using Vintage Air's dryer with trinary switch. I can't do PCM controlled unfortunately because of the capabilities of my pcm.

The emissions is a complicsted one. I have to retain some stuff but my state isn't anywhere near as bad as Cali so not all things and cats for example don't have to be in stock location. For gauges, I'm undecided between Autometer Invision, Dakota Digital HDX, or going the cheaper and easier to...

Oh I def went through your thread (and everyone else's) to get an idea of the hellish parts of this swap. For example, I regret not following Clydefrog's lead on wiring because figuring out the Jeep's harness and what to cut/keep was a pain and it would have saved me time to just rewire...

No build thread. . .yet. I was hoping to be completely done before doing one but I've been documenting it in the mean time.

Sweet. I just wanted to know that I wasn't losing it. Thank you. Now just to call Adams or Tattons tomorrow morning and place my order.

Question to all the guys who've done "LS" swaps or to any of the other xj savants: I have a 4L80e, NP231J, and JB Conversions Shorty SYE on my XJ. It's an '01 which originally had the AW4 and 8.25. The length I'm measuring for the rear driveshaft is kinda tripping an alarm in my head...

Interesting. I've thought about it and there may be a solution for pre 2003 PCM's. Cut the LG wire associated with the Jeep's P23 and have it interrupted by a relay's coil pins, then have the relay's switch pins complete a circuit using a 12V source in my case and going to the A/C request wire...

I want to cry while reading this. :laugh: I know it's the part that will get me too, especially since I want to go the route of no Jeep PCM. I would love to do some custom hybrid controller based off diagrams I have for the Jeep HVAC controls but it looks like it would be a nightmare. So...

Was the AC switching fairly straightforward?

I have the 8.25 in there. This is good news because it means that I can get by with the D30 front and 8.25 rear until next spring. Then I can get stupid and upgrade both. . . and maybe change my lift as well. :laugh:

That's great to know. I'm gonna aim for the 8.8. One from ECGS with disc brakes, 4.10 gearing, and a few other bits comes up to ~$2600 delivered. As for the front I'll have to think about that as well but it might wait until fall. I need this built and ready to go by mid/late may.

31 to 33, no off roading, just looking for a punchy small SUV which in the warm months will move trackday stuff. I want the extra go because it'll be my only vehicle for a while and the 4.0 ain't doing it for me. The only bolt in 8.8 I've seen is on ECGS. I also need to figure out what ratio...

Solid info guys. Thanks. I MAY have a hookup on a 4L65E from a friend. If I can get it I'd just to get a decent shop to rebuild it. The axles and my emissions setup are the major unknowns left to plan out. Living in a state that's strict about that adds so much headache because now I might...

If I were doing it again. . .which I just might with an LJ in a few years if this one comes out good. . . I'd prob go 4th or 5th Gen to get that 6 speed option if it doesn't require too much hammer work. Nothing like spending lots of money to get slightly better gas mileage out of a s***box with...

I hear you and I would have gotten a 5th gen T4R or a Tacoma if I had the space. Most trackdays should be 2 people and 2 people worth of stuff, but there are some where 2 more of the homies might want to go. Maybe I'll just set a cut off at 2 and be done with it. The last thing I need is some...

I don't mind the time or monetary investment and selling my car after I'm done with this = no payments & cheap insurance. I'm also one of the few Americans who doesn't just want bigger and bigger vehicles. In addition to that I live in an area with almost no parking, but I'm lucky enough to have...

Appreciate both answers. I've looked into axles just in case and my preference is something bolt-in. It's just difficult finding something that isn't extreme for my use case, probably because I'm one of the only people on here who doesn't off-road. The other option I've seen is a D44 out of an...