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Hey NormB, doesn't the bible say "Let he who is without sin cast the first stone?" I think resurecting an old, old post with an obvious typo in it might be almost the same thing. :sick: I went back in and corrected the original type that was TM 9 2320-280-30-3 that should have been TM 9...

Both circuit breakers are mounted on the inside of the front panel. When you turn the radio on you aren't actually moving the circuit breakers, your just telling a relay that you want to power up the radio. If one of them trips then it is reset by cycling the Off - LOW - HIGH knob on the front...

Transmission Modulator 2520-01-244-9863 000-02136-0024

Works one day and not the next. This is so typical of a bad instrument cluster with a bad ground. Pull the dash aside and make sure the connection on the firewall in front of the heater controls is clean and tight.

Tobash, it's definitely better than a 1025! I should know, mine started life as a 1026.

Shipping weight with all of the pallets and cribbing was around 1500# so I would guess in the neighborhood of 1000#. You can reach down to retract the stairs from inside or you could just put a piece of rope on them. When we camp in the back in the summer we hang a piece of black shade cloth...

When I got my 996 body from Naval Station Brunswick (Maine) it came with the hard doors, intercom system, litter ramp and the correct spreader bar for lifting the body. It attached to those 4 bolts on the sloping sutface on the roof and the sockets go directly into the frame so it's where AMG...

The Garmin comes up with a message that says "rear camera detected" and displays the rear view when I touch the screen.

I had a saggy right front spring and replaced them with a set of Dana's "snow plow" springs. The truck is an '86 M996A1 ambulance with a lightweight brushguard and a 9K# winch and to be honest I haven't seen much difference in the ride. The truck does ride level now and the front end might be a...

First of all there is no ammeter in a HMMWV. That gauge on the instrument cluster is merely a voltmeter. It does not display charge/discharge current. Yes, the Prestolite boxes are probably the simplest of the control boxes and have a number of 24v relays in them. In summertime when the...

Who has factory number sets available?

The schematics for the electrical systems are located in the back of the TM 9 2320-280-20-3 manual and show that both circuit breakers get their power from the Start-Run switch in the Run position. CB1 powers the heater circuits and CB2 powers everything else.

Do some researching on "supplemental grounding harness". When everything is clean, tight and working as designed the trucks work as designed. After umpteen years of marginal maintenance and servicing stuff loosens up and electrical connections corrode. There's a body ground connection on the...

Mine failed 20 tears ago because the adapter had loosened up and that short flex line wasn't running true inside and had rounded off. A trip to the auto parts store for a generic speedo cable that I cut to length fixed it and it hasn't been an issue since. This is why I advocate spending...

I utilized a Garmin Streetpilot 7" commercial truck GPS with an A/V input so that I would only need 1 display that serves 2 purposes in the HMMWV. I mounted it on the A pillar low in the corner of the drivers windshield so that I could glance down without my eyes leaving the road for more than a...

You'll need to do some research here with the SS search function to figure out what combinations of Protective Control Bocx / Glow Plug Controllers and Electrical Start System / Temperature Sensors work together. They do need to be matched up to get everything to work together properly. Every...

Gentlemen, I've built Amphenol and Cannon and Bendix plugs for years and would like to offer some advice. The only connectors with removable pins are those that get crimped on. The solder style pins do not get removed from the connector during assembly. I have both the insert and removal...

You'll probably find a heater core from an M151A2 is the same since both were built by AM General. THJ Murray has a drawing up on his page here. If it matches you should be good to go. https://tnjmurray.com/8719876-1heater-core-m151a1-a2.html

That plug is an industry standard amphenol connector. The part number is stamped into the side of it It should look something like this: MS3106-24-11s where the MS3106 is the connector style, the 24 is the size of the body and the 11s is the pin layout and tells you it's a female connector...

It never hurts to put a dollop of anti-oxidant grease on the face of the connector and the threads. It will keep it from oxidizing and helps exclude moisture from the pins. We used to use Dow Corning DC-4 on all of our connectors onboard ship and it's used throughout the aircraft industry.