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-7F this morning and the 1984 M1009 started right up on the first GP cycle with only 7 functioning glow plugs. I am glad I added some anti gel treatment to the fuel the other day.

Some idling engines may not keep up with higher current demands. If you have the lights, heater, radio and other items on for extended periods of time, it may be possible for the batteries to go low. I have seen passenger cars go dead with the engine running at idle. Jump start them and they...

Nope, your glasses are working well. Good observation! The bus bar was modified to have both 12v and 24v on it. Karl

Just for curiosity I measured the actual current draw on the main feed from the 12 volt battery that supplies power to the 12 volt side of the truck. The ammeter was installed between the 12 volt side of the batteries and the small wire that feeds the diamond shaped terminals near the glow...

Welcome from Centre County. Karl

Installed new battery cables and terminal ends. More wiring modifications to come. Karl

I found the same thing today in my M1009. Replaced it with a relay that has no exposed terminals. Karl

http://www.classicparts.com/Cab/products/333/

I have used both of these on the CUCV interior parts. Both worked well for me. I believe the SEM Burgundy is the same color as the one Zenk used. http://www.eastwood.com/burgundy-interior-paint-aerosol-12-oz-net.html http://www.eastwood.com/landau-black-interior-paint-aerosol-12-oz-net.html...

I finally had time to find my second voltmeter drawing. It is very important to install a fuse in the orange and positive lines going to the relay. This is not shown in the drawing. The fuse should be as close as possible to the source. Karl

PM sent

Pull the GP card out of the holder and inspect it for any burned components or burnt traces. Sounds like it may be damaged or defective. As stated above, read and use the troubleshooting section of the TM. Karl

What is the hole diameter? I have a few here. 3/8" hole for 12 gauge wire.

Scottladdy. I agree with your statement. Very nice write up. The only thing I would change is; Relay Cycling (off/on) = performed by the glow plug module during the afterglow period to prevent an over voltage condition from occurring and burning out the glow plugs. Trigger voltage on the...

The high idle was not working on Blazer 3. Last week I checked appropriate fuse, it was good. Checked for +12 volts at the temp switch, yep. At this point I noticed that the temperature switch had been changed and the previous owner installed a temperature sensor designed for the glow plugs...

I'll see about a remote mount kit the LED's. And thank you for the kind words.

Then I would have to get a CUCV-II to test the new PMD's. Hmmm.... That would be a business expense. Might have to look into that.

Do we need to start making our own PMDs now? Glad you got it working. Karl

My boots only lasted 12 months. Karl

Doghead and I were curious about testing plow plugs with the test light procedure. I have never tried it and we both were curious as to weather or not this is a viable way to test them, so I offered to do a little experiment with the glow plugs that I just removed from my M1009. I found most...