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There is no exact answer to this because there are too many different ways the wheels can be made. You would have to assess any given wheel yourself and decide what to do. In my case I just put it on a lathe and open it up but I have seen others where people have just taken a die grinder to...

I didn't see any mention of using a match with this method ... is there a Match involved too? Just want to make sure I understand the process correctly :LOL:

I don't believe you can move the lower control arms forward and back. The upper mounts can take shims but that shouldn't move it forward or back. If the wheel is offset forward or back from side to side then I would inspect everything in the front suspension looking for why. You could have a...

I suspect the primary reason for not changing the transmission is total cost or work to do it. changing the engine is simple. Going from 3spd to 4spd is new engine, transmission, engine wiring harness, adding a TCM, change transfer case, change driveshafts. Basically replace the entire...

As I understand it, serpentine belts are not an option. If the truck originally had a v-belt engine then the upgrade included the v-belt engine and maybe later a serpentine belt engine. Your engine can be converted to a serpentine belt but you have to change all the pulleys and IMO it isn't...

OK, so I'm not sure what you are saying "Negative" about. You have a 3spd wiring harness that fits a V-Belt engine (6.2, 6.5 does not matter). If you did a 4spd 4L80 conversion you can use the same harness and add an aftermarket TCM. However, if it was a factory 4spd the engine harness would...

No RTV, those are barely more than dust covers. They do have a rubber type of edge molding of sorts... look in the TM.

https://www.wbparts.com/rfq/5945-01-413-0886.html https://www.parttarget.com/5945-01-413-0886_5945014130886_A-1908.html From the TM

The OP post was back in 2016... the rest of the conversation pretty much starts at the 2nd post as of today.

A lot of Solid State Relays have a wide operating range so I don't think there will be a problem.

I have zero experience in a motor pool and only work on 1 HMMWV, mine, but I have added and changed a lot of things that "don't fit" my truck. I use 6 or 7 UPC codes depending on what I am doing. I see everything as "Fits" just depends on how much time, money and ambition you have.

I'm not sure of the specs but it supplies all the 12v power that is required to operate the 4L80 controller and solenoids. It probably has a rating 10amps or more but don't quote me on that. I wouldn't add much on the existing circuit since it controls your transmission. I've recently...

Not an expert but from what I understand, with wiring, the difference in engine harnesses comes down to v-belt vs serpentine and 4spd vs 3spd. As with anything else, as time goes on and they change design, the parts and connectors change too. An early glow plug harness for example is $50 and...

To the best of my knowledge they are all located in the same place, behind the gauge cluster on the dash. They are self resetting circuit breakers. Mounted to the firewall, black, have 2 wires that plug into them.

I'm not an expert by any means but when I did my 4L80 conversion I spoke with a TCM manufacture in depth about the operation of the transmission and how the TCM works. My understanding based on that conversation (over a year ago), the transmissions defaults to 2nd gear with loss of control...

I'd check page 52 and 107 of the pdf that Mogman posted and go from there.

Why would you try that without first troubleshooting the problem? If it is a power issue that definitely won't help.

Under the dash next to and attached to the brake pedal. In my signature there is a download for all kinds of manuals and pdf files. It includes electrical wiring diagrams etc.

Just a FYI, I just happened upon them and noticed they were different than the one's I have. Neither set, these or mine, are Man doors and are intended as cargo doors. I've seen sets like mine in the $5-600 range recently.

2nd gear is a default limp mode gear. You probably have a power issue to the tcm or a controller problem. Might be a circuit breaker issue or transmission power relay. Mogman will come along shortly and post a troubleshooting guide for you.