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Tractor Pulling Discussion Forum

One wire alternator

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12-31-2006 17:15:58

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I have a one wire alternator and It seems like I have to rev the tractor up to get the alternator to start charging, is this normal?

also I have the one wire running directly to the ampmeter should there would be a switch for the charging system?

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01-01-2007 10:48:47

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 Re: One wire alternator in reply to Dave0001, 12-31-2006 17:15:58  
Yeah Dave it's right I have an M thats the same way when u start it you have to rev it up to excite the alternator. There is just one wire running to the amp meter then from the other side of the amp meter to the Battery

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JD hauler

12-31-2006 17:57:54

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 Re: One wire alternator in reply to Dave0001, 12-31-2006 17:15:58  
A one wire alternator will have a self exciting regulator, these generally need a little more speed to get the charging rolling, so I think what you have is working normally, if you ask at your alternator shop, they could set you up with a diode setup that will charge as well and with less motor speed, also they now have the self exciting regulator just for farm stuff so you dont have to revv things up so much, you have a few options, also maybe could change a pulley size to get it doing better for you. hope this might help.

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