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Hello. I would suggest to start with downloading the wiring diagram. That way you can see what is supposed to be there and what was added by the PO.

I found the part number for the new sensor. GM part #1551107. You will also need a new connector. Just today I went to start my M1009 and no wait light. Went through the TM troubleshooting and I need a new sensor. I looked up the part number in the TM and it gives the old part number.

Hello. I had the same issue when I got my M1009 last year. It turned out to be a bad GP controller. There is a member on this site that makes and sells new ones. Antennaclimber. Also, look at the TM's, it covers the troubleshooting procedure.

Replaced right inner fender on my M1009. I found an original GM one in South Carolina when the wife and I were on vacation. I replaced the left one with a reproduction inner fender. I have to say the original GM one went in MUCH easier. I made some battery tray braces from 18ga sheet metal and...

I have had some electrical issues with my instrument cluster as well. I replaced the printed "circuit board" d/t the old one had some broken connections within the board. My issue was gen 2 light was inop, so that made gen 2 inop. Before this my fuel gauge was inaccurate. After replacing the...

Nice looking truck! I have had good success with ordering parts from LMC truck. The shipping is a little high, but they have a lot of parts.

I agree 100% with just buying a new glow plug controller. I bought my M1009 and it had a manual push button. One of the first things I did was remove it, replaced the controller, and relay, and truck starts very well. The coldest I started it was about 12 degrees, fired right up!

When I replaced the printed circuit board on my M1009 the fuel gauge starting working properly. I did not replace the printed circuit board just because the fuel gauge was wrong, I was having Gen 2 issues. Maybe the connections for the gauge into the circuit board/instrument cluster are in need...

I ordered part #10 in diagram. When installed, with #9 snap ring, the washer, #10, OD is smaller then the lock ring #11 ID, so it can not be to keep the lock ring on were it to come loose. I can only think its purpose is too keep the axle shaft from moving in/out too much. But, there is always...

Hello all. This brings a question to mind I have had and have spent more than a few hours looking for. Are there any threads on converting from 12 back to 24 volts? I have found this mentioned only a few times. If there are any threads about this I have missed them and apologize for missing...

Hello. I had the same problem. The printed circuit "board" on the back of my instrument cluster was bad, so power was not getting to Gen 2 bulb. LMC truck has them, I ordered one, it is perfect fit. Part #38-3086. There is also diode in the Gen 2 circuit that may be bad. If you do take your...

If you need part 10 in the diagram Equipment parts Sales has them. $2.00 each, NOS parts, 14072921, spacer, ring. I assume the retaining ring(snap ring) could be had at a hardware store.

I know this thread is old. I have the same questions, and have not found an answer after searching many old threads. I too am missing parts 9 and 10(from diagrams pictured earlier). Any thoughts? Thank you for your time.

Nice Job!

LMC part number 38-8036, printed circuit w/o gauges. LMC does not have the instrument cluster "backing plate", or case , the teal/green plastic part. I ordered one that they said would work, but wrong one, and LMC does not stock the right one. I have not found anyone who does stock them. Be very...

VICTORY!! I replaced the printed circuit board for the instrument cluster, from LMC truck, perfect match, and all is well. Gen 2 light comes on when key turned to run, when wait light goes out, start engine and Gen light goes out and Gen 2 charging ~14.5 volts. Thank you to everyone who replied!

OK. Update. I have continuity from orange wire that feeds gen 2 light from fuse box to plug for instrument cluster, and for brown/red wire from instrument cluster connector to gen 2 relay, I will check brown/wht wire from relay to connector at alternator next. But I think I found the problem...

I am getting close. I jumped 12v to the brown/wht wire at the alternator(the schematic says just brown, but mine is brn/wht) with the vehicle running for just a few seconds. The reading on my multimeter started out at about 13.5 then slowly rose to ~14.5 and leveled there. I let the truck run...

I did not do the conversion. I have not done anything except check to see if any voltage at the brown wire with key on, connector unplugged. I am going to do the checks mentioned later in this post.

I am having the same issue. The m1009 I have has been converted to 12V. I am planning on going back to 24 V. I only have the passenger side gen 2. For now I would like to be able to drive and enjoy the truck. I am not getting any voltage at the brown wire of the voltage regulator connector, with...