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I used an ammeter on one of the orange wires that feeds 4 of the glow plugs a the GP relay. The engine was not started and was "cold". I observed the meter deflect to the far right of the meter between 45 and 50 amps. So 100 amps is a safe number. I posted a picture of the actual current draw...

100 amps. I measured it.

Sounds like you may have a bad battery connection or cable. Read this thread http://www.steelsoldiers.com/showthread.php?72880-Battery-Wiring-Maintenance Be sure to check all of your battery cables and connections along with the connections on your starter and ground wires as well.

I sent you a private message.

I may have 2 left after supplying my friends with a couple of them. If I do end up with any extras I will let you know. They were not cheep but they are GM OEM. These parts hunters knew what they had and the value of them. I also found military fuel caps, starter brackets for the direct drive...

In color or black and white?

I found 8 NOS GM 14038644 throttle cables so I installed one to fix the frayed one on Blazer 3. Also modified the heater fan to run off a single power feed and use 3 relays to select the fan speed. This modification takes more current off of the head light switch. Karl

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Congrats. I hope to see you at Dayton. I have been there every year for the past 26 years.

-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

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