M1009 K5 Blazer

[Elijah W]

Hello everyone, I have owned a M1009 for about a year and I have had a lot of electrical issues that I cannot seem to fix permanently. The engine runs great and has been mechanically sound. But I have had many questions about what I am looking at in my engine?

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[porkysplace]

Welcome to SS , more detail to what your problems would help.
This is a thread on the power block in picture #3
CUCV M1009 No power to firewall panel

This is the link to the CUCV helpful threads , since your not real specfic what your problem is I don't know which thread will be most help to you . They are all very detailed in repair of each system it is a good idea for every CUCV owner to read all of them and learn their truck.
[h=1]CUCV Helpful Threads[/h]And here is a link to the TM's , is best to download these to you computer.
LO9-2320-289-12.pdf
LO9-2320-289-12 Lubrication order for all variants of the CUCV.

TM9-2320-289-10.pdf
TM9-2320-289-10 Operators manual for all variants of the CUCV.

TM9-2320-289-20.pdf
TM9-2320-289-20 Unit maintenance manual for all variants CUCV.

TM9-2320-289-20P.pdf
TM9-2320-289-20P Unit maintenance and depot maintenance parts and special tool lists for CUCV.

TM9-2320-289-34.pdf
TM9-2320-289-34 Intermediate support and Direct Support for all variants CUCV.

TM9-2320-289-34p.pdf
TM9-2320-289-34P Direct support and general support maintenance repair parts and special tools lists.

TM9-2815-237-34.pdf
TM9-2815-237-34 Direct and general support maintenance engine 8 Cyl diesel naturally aspirated water cooled.

 

[m38inmaine]

That is the ballast resistor for the glow plug system, drops 24v to 12v when the glow plug relay in energized, looks like it's getting hot at that connection.