When your DC stick welder is set to straight polarity or you are running flux core wire in your wire feeder welder, the "ground" clamp is actually the positive lead and the electrode or wire is negative. Seems like there might be a problem there but it's been done lots of times and never heard of any trouble
If you are using your DC welder with reverse polarity or running solid wire with gas in your wire welder then the ground clamp is negative and the electrode or wire is positive. Seems like less potential for problems there. This is what I've always done and never had a problem.
Throw TIG in the mix and my head really spins about what it might do. I've never TIG welded anything while still attached to the vehicle.....
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Today's Featured Article - George's Fordson Major - by Anthony West (UK). This is a bit of a technical info to add on to the article about George's Major in the "A Towny Goes Plowing" article. George bought his Major from a an implement sale about 18 years ago for £200.00. There is no known history regarding its origins or what service it had done, but the following work was undertaken by Harold alone to bring it up to show standard. From the engine number, it was found that the major was produced late 19
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