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D'oh! Transcribing error on my part. 29A NOT 20A, sorry about that, and thanks. The ONLY thing I could find in TM-x-20-2 was on page 4-7, "rotary switch" but it didn't specify which letters on the switch to connect leads. I have a full - and I mean full, about 5,000 pages worth thanks to my...

Holy historical typo batman! Reanimating dead posts is a hobby or a curse, but I have to ask, IS there a super-secret x-30-3 manual somewhere I'm missing? I tried looking in x-20-1 through x-20-3, the schematics I've tried having blown up to legible scale with no joy, and at the cost of a...

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That’s the major thing I didn’t like about the trailer. And the height. Getting my ATV up the ramps was really tricky. The weight was a problem as was hooking it up to my truck (RAM, not HMMWV), , so I sold it and bought a much larger aluminum trailer with a ramp. IIRC the EZPZ fix is simply...

THAT is exactly the conclusion I came to the other day. I did some measuring, measured again. Then again. A stud in the left spring tower, a stud on an angle bracket on a steel or thick aluminum crosspiece, couple of those rubber inserts for the hood channels, couple hours futzing around and...

Saw a link to one of the off-roading companies that makes a hood-lift with a metal plate and a gas shock and attachment to frame or somewhere sturdy. $249!!!!!!! I just bought a pair of gas shocks for my camper shell for $30. Anyone actually done this? Pictures, part #'s appreciated. Not...

My HMMWV has the same engine-ish. Starts rough at 20 degrees, sounds a whole lot better two minutes later. Unburned diesel clears out in a few hours from the neighborhood. When I plug in my block heater for an hour, it starts as well at 20F as it does at 80F and no diesel fogging. It was an...

Moderators: NOT political, but important point to make here. Song Chuan is a TAIWANESE company with factories around the world. Do keep in mind the history of Taiwan as the true seat of legitimate mainland Chinese government forced out by the Chinese Communists under Chiang Kai Scheck/Mao...

Do a search for “How to repair HMMWVf EESS S3”. Retiredwarhorse posted this: ”...if you look at the old schematic of a PCB...not an EESS, it shows 6 items in the box. 1. Wait to start lamp 2. Lamp check 3. Frequency lockout/load dump 4. Glow plug control 5. Reverse polarity load dump 6...

Um, no, the S3 box has a diagnostics port in front with a cap on a chain, and yes, the temp. sensor is different. This is a picture of a Nartron Smart Start unit:

Hard to say which component went mammary glands up, troubleshooting and repair could be time-intensive but doable for someone with good circuit-tracing and repair skills. Best bet is replacing the box and temp sensor with the latest/bestest unit, often available in the $400-$500 range. Buy...

Thanks, Greg, for the confirmation. NB

So... the harness 12339350 for the 6.2L is ALSO used for the v-belt earlier 6.5L NA engines? There‘s some misinformation about this in the parts book/manual (I can only find ONE harness, one for 6.2L and the other for 6.5L NA) as well as on some of the larger parts sites like hummerpartsguy...

Few years ago, I bought a seat belt kit. My truck HAD the MWO done already, just needed belts. Turned out it was just easier to buy the whole kit, cheaper too, than look for new belts alone. So I stashed the aluminum reinforcement plates and doo dads until I was fitting the X-doors and...

I did this about three months after getting my truck. Gotta say, this one hack reduced engine noise by 6 dBa, improved mileage, stabilized the hood so it wasn’t flopping around like the Tacoma Narrows bridge at cruising speed, and, mysteriously, my scalp itch cleared up. Ahem... if it helps...

I was a roadie in high school back in the 70s, brother an electronics tech/IEEE engineer (who got me the job) and I did a LOT of tinkering, built heathkit stuff, know which end of a soldering iron to use and how to circuit trace. Thing is, when something’s as cooked as it appears to be with...

Two down, two to go. Then a little paint touchup... might even give the truck a once over so it all more or less matches. Behr paint holds up well, I think. Generator’s weathered well.

One of the first "hacks" any new HMMWV owner should do is the grounding harness and/or glow plug replacement. Smart start box is probably #2 or 3 on the list. Yeah, yeah, fluids, brake pads, coolant, etc, I'm just mentioning things to help it start reliably. When I upgraded to a 200A...

Foundation is 2x8 pressure treated boards, solid dirt underneath, tamped down, covered in several layers of visqueen, built the taper wall to more or less match slope of the yard at that side, one less thing to trip over. I stack two cords of wood on the patio/slab every year, usually burn it...

An hour? AN HOUR? You have GOT to buy a lottery ticket, RFN (that's RFQ for my southern friends). ;-) Norm