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My ‘85 M998 w/6.2 has been experiencing a parasitic draw. Inconvenient but not terribly detrimental yet. The troubleshooting to narrow down the culprit is as follows: -disconnect neg battery terminal of aft battery. -Set multimeter to the 10A setting, making sure the leads are in the appropriate...

So I’ve had some moisture appear in a couple of my gauges for about a month now. I didn’t think much of it till I pulled them out to figure out how to dry them and discovered why they were giving me false readings for the last couple of days. They’ve both corroded inside. I thought these...

After doing some maintenance on the cables going to my 60A I discovered the terminal protective cover was inadvertently making contact through a break in the pos eyelet plastic shielding. This caused the gen to whine and get hot. I realized something was amiss after about 5 or 10 seconds of...

Out of nowhere my batteries died literally overnight. I pulled and recharged them and upon re-installation I heard the S3 clicking as I attached the neg connector. At first I thought the ignition switch was somehow left in the run position- but it was not. When I turned to the run, power comes...

So i finally got my truck back up and running again and took it for a test run to get everything moving on her again. Of all the things to fail- the coolant overflow tank. Total what the heck moment when i lifted the hood and saw a 3-foot stream of coolant squirting all over the top of my...

So, I've been working on my truck in my driveway for well over a month now. It's been raining a fair amount but I've been vigilant to cover holes and unplugged connectors and so forth to keep moisture and corrosion out. Big shock today when I pulled the rubber plug on the bottom on the air...

I'm swapping out my harness and bought a new one online. Compared NSN and p/n's and all was good. New one came in the mail with same NSN and p/n on the bag except it's not the same as either the one in my truck or the diagram in the TM. The one in my truck is an exact match to the TM. The new...

This topic came up in the past on here and the G but the threads just seem to dead-end. That said, i will bring the question forward once again and see where it leads this time. Is there a way to research the unit, or even the base history of the truck based solely on the s/n? A database (mil...

I thought of adding an airlift bumper to the rear of my truck, but in keeping true to its historical Marine roots i'm wondering if this addition would be correct. I see lots of Army and USAF humvees with the bumpers, spare tire holders, etc but not so much on the Marine vehicles. Did the USMC...

My truck is ex-USMC thus has the deep ford kit installed. However, while conducting maintenance I have noticed that some of the tubing appears to not be connected and I don't know if bits of the system are missing entirely or even routed correctly. For example, the vent/deep ford lever on the...

My starter motor bit the biscuit so I ordered one from Woolfer on EBay NSN 2920-01-507-7423. In the process of pulling the old starter out the first thing I noticed was that the one in the truck is considerably smaller than the new one. As it were, the cables seemed a little jerry-rigged and I...

It appears to me that my engine cooling fan is now stuck fully engaged, creating a very audible 'whirring' noise, especially at higher RPM's. I'm afraid that if i take her onto the highway at 55+ MPH the plastic blades won't be able to handle the stress and might come apart or something. Am i...

I'm having an issue with my park brake pads making contact with the rotors, even with the handle and rod adjusted to full extension. According to the TM the older, single rotor types could be adjusted with an adjustment nut to a preferred .020 clearance, but it also states that the newer dual...

I'm having an issue with my turn signals in that sometimes they work fine, while at other times the globe on the lever and the lights themselves stay illuminated without blinking, and sometimes they blink twice as fast as they should. Very frustrating. The 3-lever switch is NOS and the arm is...

I saw once on a G503 thread that there is a number stamped on the LH rear frame but i can't seem to find it on my humvee. I'm either looking in the wrong areas or the number itself is obscured by paint, dirt, or whatever. Does anyone know where the exact location is so i can at least get the...

I'm having an issue with my tranny not wanting to go into 1st gear. When the selector is placed in 1st there's the typical thump of the tranny engaging and the engine labours, but when the accelerator is pushed nothing happens except revving. When driving in D it seems to start in 2nd gear and...

My new style wiper motor hits a dead spot part way through its wiper cycle and just stops with the motor continuing to buzz away. When i took it apart i discovered that the big, white nylon gear in there has a nice groove carved out of it. Somewhere along the line with the previous owner i'm...