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Got the PMs. The radio came to me with a dead backup battery that I've replaced. The radio will turn on and goes through an initialization page but then gives an error message that says "system busy, reselect mode" but then won't allow it. The other positions yield messages that say "HOP not...

Looking to acquire a copy of the Harris Falcom software to try to get a PRC-138 going again. This one sat with a dead backup battery for years before I got it and even after replacing the battery it won't fire up. TIA, Kurt Lesser

You can generally buy brand new front calipers for an '87 Jeep Eagle for around $20 online that will fit the front brakes. The rears will depend on which brakes you have on your truck. Napa SE-4732 (rt) SE-4733 (lft) Oreilly A1-4181 (rt) A1-4182 (lft) You can cross reference...

My battery solution: 24Fs

Fuel tanks aren't that expensive to replace and if your worried that yours might be contaminated that might be the way to go. I don't think there's a good way to guarantee that your tank is clean without dropping it. Yes, it's a bit of work but knowing that it's clean will ease your conscience...

The MOSFETs in the later units tend to go without visible evidence but they're a simple replacement and for the pennies they cost always go with heavier units. Pretty easy to check with a multimeter.

Only 10.5 MPG because of our "special blend" California crap! I'd be totally blown away by a 12!

50K is sort of on the high side mileage wise for a HMMWV but no where near the drop dead mileage for a diesel engine. If your looking see if it has the 4L80 4 speed trans in it. That makes them run more quietly on the road by cutting down engine noise. An easy way to tell is to look at the...

Why waste time and money with multiple voltage dropping devices and then having to wire them into the system when all you have to do is buy some 10-30V LED lamps and change out the bulbs? That also allows you to pull your trailer with either a civy car or a military truck. Just search for...

The surge protector is unnecessary in a wheeled vehicle. It was designed for tracked vehicles that have large solenoids switching on and off that create transients.

I slipped McMaster-Carr vinyl caps over the threads on the wheels to do the same thing. I think they cost me about $6 for 100 caps. https://www.mcmaster.com/vinyl-caps

I recently replaced the batteries in my M996A1 and after years of using Interstate 6TLs that only lasted about 28 months I decided to go with 24Fs. They are the same height and length as the 6TLs but a couple inches narrower so you can use your old battery hold down bracket with them. They...

Save yourself some money, this is the same pump: https://www.carid.com/spectra-premium/mechanical-fuel-pump-mpn-sp1143mp.html?singleid=78059414 FYI: I just did this job on a friends HMMWV and there's no good way to push the fuel pump actuator pin back up into the block without removing the...

Be aware: The PRC-138 is probably the most sophisticated HF/VHF man pack rig that will ever fall into the hands of a civilian. Why? The successor (PRC-150) has built in encryption that is strong enough to be considered a Munition by the government. As such, PRC-150 rigs will probably go to the...

The way the system is designed the fan solenoid de-energizes at around 220-230 degrees and that causes the fan to run until the temp hits the 190 degree mark. If you have a discrepancy there it's probably due to a bad temp gauge. This de-energizing of the solenoid causes the fan clutch to...

Alex is a good guy and will get you a good one. The HMMWV is a vehicle that needs looking after but remember that the questions being asked here on the SS site are from fairly new owners for the most part and the answers are from experienced members who have years of experience working on them...

Stay away from Pulsetech. While their products appear to be well made every time I've contacted them their tech support people didn't have a clue as to how to help you. I have some of their stuff but unless you can figure it out your not going to get much from them.

Your in a dangerous area there unless you know what your doing. Most solar panels by themselves are regulated by the batteries unless you have a charge controller inline with them. Either a PWM or MPPT controller would work fine with the MPPTs being a little more efficient. Your typical off...

RTFM? Are you people crazy? :cookoo::cookoo:

Deflecting air from the cooling stack is about the last thing you want to do in a HMMWV! If you wanted to deflect the air deflect it down into the stack. Now it might help with those pesky suicide bugs!