ScooterT20

I don't think I have A/C but I'm sure that pulls some amps. You can never have too many grounds! I got my $200 XJ going last night. I plan to drive that for the winter so I can tinker with the Comanche. I'll probably pull it in and do the axle shaft U joints this weekend so I don't have to worry about the hubs exploding. There's basically no bearings left.

I may be biased but it seems I find more and more unique things about this XLS. I guess that's like most of these trucks, just cobbled together with whatever the customer wanted. Now that I know it's a metric ton, all the more reason to put a Cummins in

Thank you for that tidbit of information sir. I will be doing my own research but if you have any information on the metric tons please fill me in. I'm sure you guys know more than wiki or google. Thanks for all the info guys, it's always cool learning new things as well as every detail about these trucks. My first vehicle ever was an '88 Comanche 2 wheel drive 4 speed with a 2.5. I sold it because the master cylinder/slave cylinder went out. Boy was I green back then. Like I said, full circle, this one I recently purchased had the same problem. Funny how things work out.

That's kind of where I'm at. Throw the 2.8 in the trash(woodshop), restore the body, and then make it the way I want it. I think all the chrome trim is kinda cool, it seems somewhat uncommon. My brother has a limited XJ with the chrome front grill. He just bush bombs it but I can't get him to sell the damn thing. I want those heated seats!

I was just reading that article about the grounds. I'll have to check the block to body and battery to block grounds. Sounds like it would be a good idea to add another ground from the battery to the radiator 10mm bolt. I was hoping there was an easily accessible ground I could check but we all know that's never the case. I'll have to unbolt the steering column and pull the cluster haha.

I know, I was pretty excite when I saw that in the for sale ad. I hate those useless dummy lights and the giant fuel gauge. I do have a 96 cluster I could use but the full 86 cluster is growing on me. Grounds is what I was thinking but from what I understand the cluster ground was the ground that I attached a jumper wire to the body. Should have cleared up some issues but no luck there. I have a chiltons but the schematics are so small. I've also read a few of these pinned threads showing a few grounds but I was curious where the cluster ground is located. I though the ground I added a jumper to was the cluster ground but it made not difference. I might have to try that after I pull the dash and check the connections. I'm sure they're loaded with crud, my tail light bulb had 56 years of dried up dielectric grease in it. Wasn't difficult to scrape out but kind of crazy to see that old crap still in there.

We remanufacture equipment here at work and just throw them away. I was lucky enough to get 2 engines before they put the kabosh on that. I can't get any more free engines but I can take anything I want off them besides the block. Stupid rules...I can't take them anymore but the junk yard gets them and does who knows what with them. I'm sure guys at the junk yard have 10 at home by now. I'm sure it will be a bit of work but nothing I can't handle. It would definitely make a good conversation piece haha.

89 MJ I posted a picture of my axle on "All things Jeep Comanche" facebook page and was told it was an AMC20. How it got in there, I don't know. I've looked into the 3.4 swap, seems pretty easy. Drop and go for the most part. I guess my thought process is, I have 2 Cummins 3.3's in my garage that I got for free. Although I'm sure it's quite involved, I can weld a little, I do electrical all day at work(Cummins needs power and ground, simple enough), and have about 20 years of mechanical experience. I've always like having something different than everyone else. To be honest I would prefer the 4.0 over the 3.4 but that's a little bit of work also. I may go the 3.4 route just to try it out and if I don't like it I have 2 4.0 and 2 cummins 3.3 laying around. My 2.8 has an Edelbrock intake, Holley carb, Edelbrock headers, and some dress up items. It's pretty gutless haha. You guys aren't joking when you say a Comanche won't do more than 55.

Hello ladies, gentleman, them, they's....however you choose to introduce yourself, I have an '86 Comanche I purchased a few months back. I got it running and driving and even daily drove it for a few weeks. I currently have an issue with my instrument cluster. It's been a while since I have driven it but I was having issues with the oil pressure and tachometer. My tach pretty much just does what it wants and my oil pressure gauge will fluctuate when I turn the headlights on and adjust the brightness of my cluster. When I turn it up, the oil pressure goes up, when I turn it down, pressure goes down. I believe everything else is working as it should. I have quite a bit of mechanical experience so I'm just looking for a few places to start before I pull the cluster and check the wiring out. I did add a jumper ground from the bottom of the dash(the one that goes to plastic) to the left of the fuse panel. I'm thinking I likely have a ground issue. I have the full cluster. I'm not sure if this is a common issue you guys have seen.

Future plans of a possible 3.3 Cummins swap. I'm unsure as to whether I should restore or just make it what I want. If I go this route I do plan to save all stock parts and not modify it so I cannot restore it to stock.

1986 Jeep Comanche XLS 2.8 / 5 Speed / Selec Trac/ Dana 30? / AMC20 / Long Wheelbase Build date: Will have to check after work Current Location: Dollar Bay, MI Status: Back on the road. Took a few weekends but she's somewhat safe to drive. Still needs a bunch of stuff worked out(Electrical) Notes: From what I hear the AMC20 is somewhat rare. IT does have the XLS package which I assume is somewhat rare. It also has front fog lights. It does have a bench seat and red interior. Cloth interior. 85,000 miles. Current owner: Me!