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The rectifiers can be checked in place with a multimeter. You should have low resistance in one direction on each of the 3 diodes and high resistance with the leads reversed. You should see opposite readings on the other diode block. The brushes are available for around $10 at most...

Just put your meter lead on the large nut to measure the alternator output voltage. If you only have +24v battery voltage the alternator isn't working. Visit Southern Automotives website, there's a full troubleshooting section there.

The HMMWV was designed for use in almost any climate from the artic to the scorching desert and the design reflects that. It had to survive in the most extreme conditions and still function to transport and protect its occupants. Transmission and transfer case cooling loops serve 2 functions...

Disconnect the speedo cable from the back of the speedometer and pull the cable out of the sleeve from inside the vehicle. There's no need to disconnect the right angle drive unless your going to replace the short cable between it and the trans.

Your fix is only a temporary one because you need cooling to the T-case. Eventually you're going to have to open it up and replace the cooling loop. Look for the newer style where the feedthru couplings are part of the same fitting rather than the old one where the fittings can rotate where...

Slip the speedometer cable to the right angle gearbox out of the sleeve, clean and relube it with Sta-Lube (white lithium grease).

Before the pins were readily available I made my own by cutting off the square drive from an auto parts store generic cable. It's been in there 20 years at this point and still works perfectly. The right angle drive on my truck was loose when I got it and flopping around had rounded off the...

I didn't think of this before but searched on ebay for 24v AC BA9S LEDs and came up with a bunch of hits.

A load bank that's larger than you need isn't a problem but one thats smaller than you need will eventually burn out. A cooling fan will certainly help but I'd suggest ducting it outside of the shop. The load is typically only used for short periods to make sure the regulator is capable of...

Ive seen this problem before where an LED lamp will not work in the turn signal switch. All you can do is find another switch and exchange them. Some switches have the lamp socket in the turn signal switch wired backwards and that puts the wrong polarity power to the LED. There's nothing that...

I have Fair Radio catalogs from 40+ years ago when they were done with a Dymo labelmaker. You should see what they had back then if you think these pictures look great! :)

The tiedown is basically the same for the hard top. Loop your rope around the mirror.

Hummerhmm, I don't know where you are in Texas but I can almost guarantee there's either a National Guard, Army Reserve, or State Guard unit near you that gets printed copies of the TMs all the time and throws the old ones in the trash. Head over and talk nice to them and you'll be surprised...

Reservations for the upcoming MVCC Plymouth meet are closed for the 49er Resort and we have returned any unused sites to them. If you want to attend and stay in the 49er you will need to contact then directly at (209)-245-6981 and make arrangements. You may or may not get the MVCC discounted...

I put a small vacuum pump inline with a mason jar to pull a vacuum and draw the fuel up from the tank and prime the fuel filter. You can either connect it at the outlet of the filter or on the fuel petcock in the left wheelwell. Works great.

EUCs and Form 97s are different documents tthat allow the government and Gov Planet more opportunities to make mistakes and screw things up! :censored:

There's a ton of stuff to absorb when you first get involved with these trucks and probably something that gets overlooked quite often is the TMs. The TMs have a wide range of information in them from troubleshooting to theory of operation to maintenance proceedures to parts lists and all of it...

The information is there, you just need to be aware of it: This shows the HMMWV variants they're used on.

So Tobash, is that a professional opinion? :oops:

The general trend today is to go away from lock washers when assembling mechanicals. Between KEP nuts, Aviation nuts, and Thread Locking compounds they've been replaced as janother unnecessary cost reduction. Most engineers will tell you that lock washers shouldn't be reused although most...