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I figured that about that speedo. Checked all fusible links. I just recently disconnected, professionally tested, and reinstalled the alternators and it is doing much more than when I first got the vehicle running. The alternators do seem like they are working but maybe intermittently
This is very good thank you
Do you know where I could find picture of diagram for the gen lights mine harness for just that part is missing
As I stated the Gen lights are in the same harness that plugs into the back of the instrument cluster. You said your cluster harness was intact. You stated you can not find any cut wires so what leads you to believe your wires for you're Gen lights are missing?
I haven’t completely removed the cluster yet but I can see clearly up behind the dash and the gen lights are gone and I can’t tell Any cut wires I’m gonna tear out the cluster when I get a moment
OK if you look back at the photo posted previously of the back of your instrument cluster. At the bottom right of the photo you will see Gen 1 and Gen 2. These are where the bulb holders go. The signal for them is carried through the printed circuit board from the main plug where all the traces lead just to the left of the Gen 2 socket. There will not be any wires going directly to the Gen lights because the signal comes through the printed circuit board.
Oh so your saying it it’s probably just missing the sockets. My mistake I thought they were similar to the glow plug light and water in fuel light and had wired sockets that is very good information thank you
No the glow plug and water in fuel light are separate from the cluster harness. Everything on that cluster photo gets signal from one large plug. You are welcome. I was new to this at one point as well. Glad I could help.
Please explain this. No indicators present and the system is charging. This worked on several CUCV's after a slight increase in RPM's for a brief second and normal charge rate at idle. My M1028 had a Gen 2 issue with no indicator Gen 2 light and it would charge normal as soon as I gave the fuel pedal a quick jab. I have since fixed the issue it was a spade connection on the 2 prong white plastic voltage regulator connection. Debating this for educational purposes. Have Great Day.
So the two prong plastic plug on the side of the alternators had a jumper from the voltage sense to the excite wire? That meant the regulator was getting voltage at all times.
Not the case. I bought this M1009 20+ years ago in stock form 12,674 miles on it and I removed all the interior and parts to rebuild it. I put new batteries in it and started and drove it in and out of my barn over the years and it always glowed and started right up. I would increase the RPM's and the voltmeter would read at the correct charge rate. I left this truck idle many times and used it as a slave start vehicle when I was rebuilding other CUCV's. It always charged batteries and worked like a champ. My M1028 the same thing. It had no Gen 2 light but if I would rev the engine slightly it would go into correct charge rate and stay there until I shut it off. I discovered a broken wire at the voltage regulator and fixed it. I done it on the phone while talking to Antenna Climber. I don't claim to understand the charging system, but I have had several I rebuilt with no cluster in place and always checked the charging system while they were apart.
