I have a modified GM 100 amp alternator that I use for a welder on my yj. I made it last year but had not tried it out yet. Well I got the chance to test it this weekend at Wiapourus (sp?) and it worked awsome
My buddys fan clutch screwed up and the fan wouldnt turn. So we welded a bolt from the fan bolt and the shaft of the fan. Held up all weekend and everybody there watching were really impressed. I hear they had bets on it not working using one guy to hold a wire from the field to the battery, another to hold the engine at 1500 rpm's, and me holding a welding rod in a set of jumper cables
I have a couple of question though. On the internet I used a page that said to remove diode trio and the insulation off one of screws holding the voltage regulator. Is this now an AC or DC welder, and what polarity would I use? Welding rod on the positive or negative?
Another thing is when I was welding there was a strange loud whistling noise coming from the end of the welding rod doing the welding. It was strange. Anyone know why this noise?