Miller Big 40 Will Not Weld

Oct 30, 2003nbsp018332I have a Miller Big 40 welding machine and I cant get it to weld. At idle, I get 150 volts from my AC plug-in the wall socket where you plug in lights, grinders, etc. and at max engine speed it goes to 650 volts. I get no voltage on the welding terminals at all. I replaced the 6 diodes in the front of the stator yesterday, but still nothing.


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