To start with is it a 1 wire or a 3 wire?? From what you say sounds like you have a 3 wire and you do not have it wired correctly.
On a true 1 wire alternator the wire goes to the amp gauge. On a 3 wire you have the charge stud wire that again goes to the amp gauge and on the 2 wire plug in you have the #1 wire and it goes to the ignition switch the side that is hot when turn on. And the #2 wire goes to the charge stud on the alternator.
Now as for your no spark problem 99.99% of the time the reason you do not have spark is the points are bad or dirty or need to have the gap set. If the point do not conduct power you will NEVER have sprak since the coil can not charge up and then when the points open give you a nice blue white spark that jumps a 1/4 inch gap
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Today's Featured Article - When Push Comes to Shove - by Dave Patterson. When I was a “kid” (still am to a deree) about two I guess, my parents couldn’t find me one day. They were horrified (we lived by the railroad), my mother thought the worst: "He’s been run over by a train, he’s gone forever!" Where did they find me? Perched up on the seat of the tractor. I’d probably plowed about 3000 acres (in my head anyway) by the time they found me. This is where my love for tractors started and has only gotten worse in my tender 50 yrs on this “green planet”. I’m par
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