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The connector in the engine compartment at the fuse panel near your left foot. I found two slightly burned connections there. Karl

My M1009 was doing the exact same thing. Wait light comes on, turn the key to start and sometimes the relay would just click and sometimes nothing at all. Even had the squeal sound too! Not having a volt meter with me when it happened, I finally found out that when I wiggled the wiring harness...

The cards that I have will do the exact same functions as the factory cards along with a few extra features. I added a user selectable Steady or Flashing WAIT light feature. Along with 3 LED's that aid in troubleshooting. Red LED-indicates that the GP relay should be closed. Amber/Yellow...

Are the inverters shutting down due to over voltage?

I made some measurements on my M1009. The GP relay coil had a resistance of 14.9 ohms. With 2 glow plugs connected, the current draw was about 24 amps. With 4 glow plugs connected, the current draw was about 50 amps. Full scale on the meter is 50 amps. The engine was cold and was not started...

I got mine from the local NAPA store. Seems to me it was around $400. Fit well and I changed it out in about 2 hours. Replaced the hoses and thermostat at the same time. Karl

Very nice info. Thanks! Karl

Sounds really good. I better double up on my Crestor before eating a breakfast like that. Karl

Welcome from Centre County.

Welcome from Centre County. I'm certain that you will be able to find lots of assistance here with the brake problem. Karl

Welcome from PA. The CUCV forum has an immense amount of good information on the CUCV electrical system. Karl

No pictures. Sure wish I had taken some. Grade 8 shear pins were a blower operators best friend. Watching a plow take the arresting barrier was interesting. And don't stop next to a B-52 loaded with nukes to take a "nature break". The Security Police get a little upset. Ahhh, the memories...

So long ago, I believe it was the WT-2206. We also had the under body scrapers on the roll overs, we could peel and shave the ice right off the runway. At night, watching a string of monster plow trucks go 55 MPH down the runway with a shower of sparks coming out from underneath them was a...

Welcome to the site. I spent many hours in Oshkosh trucks plowing and blowing snow off of the runway at Griffiss AFB back in the early 80's. Operated the roll over plows, ribbon and auger type snow blowers. They are really nice machines. Karl

Battery terminal connections are very important on all vehicles. Just looking at the terminals for imperfections is not good enough. Remember that it is the part of the battery connections that you can't see that is the most important. The mating surfaces of the battery post and terminal need...

Having read a few threads on battery related problems, here is a little tutorial on preventing them. Starting (and glow plug) systems require a considerable amount of current from the electrical system. All components of the system need to have clean and reliable connections from the battery...

I think your GP card and relay are good. You eliminated approx 50-60 amps of current draw from the electrical system when you disconnected it. It sounds as if you have a connection on the 12 volt side that fails with high current demand. Possibly a cable, connection or the battery it self...

The attached chart is a good guide for temp vs resistance of the sensor. Karl

The parking brake is wired for a light. It apperas that someone has replaced the dash pit. Karl

My deuce has a split brake system and no parking brake warning light on the dash. The only sure way to know, is to look under the truck for the additional brake circuit parts. Karl