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Yeah, and I posted that before I checked price - not if I can help it!

Same guys who make the motor controller I've been looking at. What do you guys think? Field 5-50 ohm. https://www.deepseaelectronics.com/genset/digital-automatic-voltage-regulators-avr/dsea106-mkii

So an AVR that can handle 2 to 4 ohms across the field connection? Wouldn't think that would be so hard to find. It'll pull the needed voltage from the main AC output and all I gotta do is give it a 24 VDC kick in the pants to get the process going? One thing I don't really understand about...

Hopefully I don't need anything but the number of teeth on it, which I now have thanks to you. My AVC came n. Installed it. Still doesn't make power "natively" which I think is due to the alternator not making any power. If I put 24 volts from the batteries on the output of the alternator, I...

YOU ROCK!!! Spur gear huh? I'd have never looked with that term. I actually just searched the TMs and still couldn't find "spur gear". THANK YOU for that one - saved me a lot of trouble!!! So I'm guessing the initial exciting voltage comes from the batteries / 24 volt system on a normal MEP...

Ahhhhhhh, maybe you didn't see the part where the AVR / AVC is not controlling the field on the MEP. It's controlling the field on the Delco alternator and monitoring the output of the MEP (120, neutral). So basically what's going on here is that the Basler AVC is regulating the output of the...

Ok, this is a voltage regulator. I thought maybe you were talking about the "motor controller". The one that was already installed on this set is a Basler AVC63-4. Pretty sure it smoked because someone put 10 Amp slow blow fuses where they were supposed to be 6 Amp fast blow. One of the 10...

I've only "picked one out" in the sense that I haven't seen anything better yet but I will definitely look at this one. Hadn't seen it before and if you recommend it, then it's definitely on the list.

Talked to the guy who gave it to me yesterday - forgot to strangle him for being nice enough to give me this project- LOL. He had looked at it back when. He never realized that the Delco was feeding the field of the main and that the AVC was actually controlling the field of the Delco but he...

So the speed switch disconnects the starter solenoid and closes the "flash" relay? Makes sense. So don't watch RPM, watch oil pressure? That's easy enough. I guess I could program the flash to last until the main is putting out some preset amount of voltage. I briefly read thru the...

I'm thinking about adding a relay that throws 24 volts from the battery to the hot post of the Delco, and thereby to the main alt field for a few seconds after motor gets to RPM. Not sure I need this yet but seems like a solution that would get everything going dependably. The motor controller...

Well, tried to manually excite the Delco (as described in the video below). No joy but the output did go from 0.13 to 0.22 VDC. So maybe the AVC is smoked and not charging the field. No clue but the new AVC should be here Wed. and I'll try again then.

I get 0.13 VDC on the back of the alternator with the motor running. Went ahead and ordered a new AVC since it was so cheap and that fuse was blown like it was. The Delco could still be bad but that should be pretty easy to fix or replace if so. In the mean time I'm going to do some reading...

I just started it up and put my meter on the Delco. No AC from it but walking back and checking for DC now. Just remembered / realized, these old Delcos usually have an internal rectifier / bridge component and put out DC.

OK, here we go!!! There is no TB 17, or any of that stuff. Apparently it was all ripped out back when. And here is the real bizarre one: The Delco alternator does not charge the batteries - at all! It is connected directly to the main alternator's field wires! See picture below: The...

Ah, I thought guyfang was talking about F+ and F- which are on the AVC. - which would have been the same thing if that AVC were actually controlling the main alternator, I'll try to find those two wires in the morning.

Damn, just found out I know a lot less about how this thing was modified than I thought I did - and I didn't think I knew all that much about it but I thought I at least had the basics figured out. The field wires on that AVC go to the Delco alternator. One appears to be the ground and the...

Now that makes a heck of a lot more sense than what I've been getting looking at that schematic and reading "principle" articles. It's like the initial excitation voltage is pulled straight out of the air going by all that. I'll go trace those wires.

Got some fuses, got an oil press gauge. Oil pressure looks great at about 60 psi - which kind of seems high but I'll look it up in the TM. Also, as mentioned earlier, got quite a water leak! Still no power at all. Got some reading to do. I still don't understand how you can energize a...

Took a picture of the oil level on the dipstick. The motor still hasn't run more than a few minutes total as I try to figure out the generator part but I'll try to run it for 15 - 20 minutes at some point today. I need a way to check oil pressure before I let it run that long. Not sure I...