On vehicles with an alternator I would disconnect the ground. On vehicles with all this electronic garbage I would not even weld on them. With my luck if I even thought of welding on them my electronics would be messed up. On the older Tractors with a generator do not weld on them with an AC machine. You will depolarize the generator. I did that on a 57 ford truck and a 56 Allis. And I know 2 people who no longer have a working DC welder because they welded on the frame of the machine with an AC buzz box. One of those guys did get several DC batteries and hook them in series and polarize his generator. Thats my 2 cent's worth
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Today's Featured Article - Box Plow Blues - by Tom Schwarz. One of the first implements most tractor owners obtain is the box plow. For very little money, this piece of equipment promises to plow and flatten any hill or vale on your ranch road or farm. At least that's what I thought! As simple as a box plow appears, it can be rather challenging to make work correctly. In our sandy soils of Florida, traction is king. You can never have wide enough tires or heavy enough weights to get all the traction you want … unless you own a monster tractor. U
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