OKAY! So, I went up to the farm this evening. I installed my new one wire alternator, and put on a Napa 12v coil without resistor. I think my battery is junk, it's dated 07, and barely turned over. So I got out the hand crank, never cranked a tractor in my life. After about 4 pulls on the crank it came to life, I backed it out of the trailer. The ammeter gauge didn't move off zero, I put my multimeter to the cables and my multimeter just went haywire reading -1.xx back and forth a lot.
I let it warm up for a few minutes, throttled it up about 3/4 and the ammeter gauge almost pegged at 20, then after about 2 mins came down to about the 10 mark, and then it randomly died after about 5 minutes of running. I cranked it back up, and it idled for about 10 more minutes until it got dark and I shut it off.
My question is, for whatever reason my multi meter wouldn't read the voltage in the battery while running, but isn't the needle being between 10-20 bad? I thought with 12v it would barely move? But I don't really understand how they work, so I figured I'd ask? Next step is to get a new 12v battery. I'm going to order a new 3 position switch, and re wire the tractor as soon as it's warm out. This wiring seems kind of sketchy, redoing it I believe I can handle. I just don't have a 100% grasp on how the charging system operates, though I feel I know how everything hooks up after studying diagrams.
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