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Farmall & IHC Tractors Discussion Board

Re: Alternator troubles


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Posted by Janicholson on June 19, 2010 at 07:23:05 from (64.61.211.76):

In Reply to: Alternator troubles posted by Zachary Hoyt on June 19, 2010 at 04:50:33:

The assumption that the Prior owner did it correctly is the issue.
A single heavy 10 Gauge wire runs from the alternator main post to the amp gauge terminal that does not go to the start switch. (load side of gauge)
A single wire goes from terminal #2 on the edge of the alternator to the alternator main output post (short wire).
The #1 post is connected to one terminal of a side marker light bulb (or a 3 amp diode with the band on the diode toward the alt, or a 10 ohm 10 watt resistor). The other light bulb lead goes to ignition voltage. (or if it has a magneto, battery voltage through a oil pressure switch that is on with pressure (NAPA) then to battery volts at the starter switch). It could have a manual switch to excite (yours may) but this is sure not the best option. Jim


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