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[emoji46] found this box with the wires cut and spliced. Would this be the cause with a new transformer box?

Swapped out the speed switch nothing different.

I got around to changing out the rectifying diodes. After taking them out and testing each I didn't find any that were bad according to a multimeter all had .40 or better reading on them. I started the generator and ZIP on the hertz and volts meters and checked with meter and no power. I then...

Correct, should be here Saturday.

The rectifier diodes.

Thanks for all directing and/or suggestions.

Just ordered Diodes, will do.

Looking to order diodes. 1N1109, and 1n1109r. Do I order three of each and where is best. If I replace a set ml ight as well replace all.

Maybe a minute while warming up. Forgive me for asking... where is the rotating rectifier?

I started as usual and noticed the two gauges did not come online. I reved the engine to approximate speed and tried to re-excite. Nothing. I went into the house swapped overrelays. Went back to generator and loaded the generator with load. The needles came up but dropped back out. I re-excite...

I didn't hear anything unusual. Even the other person didn't and he works a lot on various equipment. Someone mentioned diodes. Is this something that might go out with the transformer?

They vibrate but not jump. The ac voltage fluctuates minimum and the percentage guage fluctuates at about 20 % . Nothing other than that.

Had someone do it and there was nothing.

Yes I did that several times.

I was instructed to use a 9 volt battery on a f1 wire. The two meters jumped when I touched the f1 to the positive side and the other to the neg. Is that flashing the field?

How?

My Gen Mep-004a had been running fine for years then one day a puff of smoke out the back. Found out the stator box was bad as the transformer had fried. After replacement of the box, I could not get the hertz and volts needle to rise on the restart after the repair. I got someone to try it on...