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Not sure if this helps; https://m151jeep.com/radio-installation-kits

This truck came from your state. Was in the Maine National Guard & was rebuilt there in 2012. Didn't realize that when I looked at it but saw the stickers when I got it home the other day. The 4 speed is needed down here with the distances & highway speeds. Our highways are 70-85mph speed...

Problem is solved! So, a burnt up TCM will have the TRANS light stay on. TCM was toast. I'm going to guess at what happened & explain below. 12v lead was hooked up incorrectly to the batteries for the TCM. The relay behind the seat became fused in the closed position or already was. Saying...

So this thread isn't left dead, I did decide to get it as I got it for a good deal. Picking it up tomorrow & I got a brand new TCM on the way. Also got myself the proper testing tool to use. I'm pretty confident that it is just the TCM as it had been completely taken apart. I will follow up with...

MEP 802 will go for a walk. I put mine on the sand. It still shakes the garage. After a day, they tend to "settle" in.

I knew it was valves! It very well could have been you adjust them, and when you tightened, they moved. VERY easy to do that on these. Trust me, I know... makes you realize how stubborn these little engines are to just run even when they shouldn't. Yes, there are thermal switches for the fans...

Should be a fuel flow schematic on the generator. If not, in the TM. Don't recall off the top of my head.

I think it's fuel. Diesel likes to migrate UP CARC from some reason. I read all three pages.... it will only leak after it has been run & then has sat? Turn the machine to run & let the fuel pump run for 15 minuets or so. Best to do this with your dye. This will expose any leak at all on the...

Probably will change again, but got a military radio in my LMTV finally! More to come. Video should start right at the radio install part;

Are you sure it is not just very wetstacked? Have you tried just running it under some load to see if it cleans up if it otherwise runs okay?

Has this been adjusted? There should be a wire with lead on it to show if it's been tampered with. Would need to be cut if so. The example picture here shows it WITHOUT the wire.

Glad you're going!

Again, sorry if I repeated myself. I follow a bunch of threads & also have 3 different things going myself, but know the feeling when you just can't something. I keep thinking it is a valve issue. The reason being, is these little engines are savages, and will attempt to run is the worst...

I would have sold you a known good injection pump for $30. Yanmar. Hope you got a good deal. Forgive me if some of this has been suggested, but gears are turning... The low pressure side getting air would make it starve for fuel. I have run them with a hose pressed on & air definitely getting...

If you want to toss an injection pump at it, let me know. I have two of them here. The used, known good one I won't sell for to much more than a new China one.

The fault indicator panel from the MEP 813A doesn't have GFCI. Not sure what else it is missing. Would guess it won't work at all and may be your issue? The dual float switch can be adjusted but figured you'd have fiddled with that after re-wiring everything. Easiest way to do it is loosen the...

Pretty common for the dual float switch to be bad an cause a no fuel false fault. Easy way to make that stop is to unplug it for the time being.

It could be it, but you never know. The missing washer would delay timing & cause it to inject fuel late, making combution late & half-assed while the valve is opening. These engines are very robust and will try to run in the most adverse conditions. I have seen them run backwards, pulling air...

Be sure the copper washer isn't just stuck in there. If it is, just use a pick to get it out. If the injector wasn't over tightened, it shouldn't fight to much.

You need the washer. All the washers/spacers are CRITICAL to timing on these. From here, it sounds like you have a valve issue & compression/combustion is getting out the exhaust valve, causing the heat, un-burnt fuel, and fire. Try going tighter on the valve clearance than spec by a bit.