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Farmall & IHC Tractors Discussion Board |
Re: is this right?
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Posted by Bob M on January 08, 2007 at 07:20:27 from (151.190.254.108):
In Reply to: is this right? posted by Pat-CT on January 08, 2007 at 06:23:18:
Pat - That diagram is correct! Charging current from the ammeter does not past THROUGH the starter. Rather it merely uses the large terminal on the starter switch as a convenient point to attach the feed from the ammeter to the ungrounded battery post. ---- John T - My diagram is a bit simplifed! What I label as the field "resistor" on the light switch is more properly a terminal strip. It's arranged essentially like this: The outer terminal (the one that goes to the generator "F" terminal) is connected to the resistor, and also to a jumper strip that's connected to the light switch internals. The opposite end of the resistor is grounded directly to the light switch. When the light switch is in the "H, D or B" positions the resistor jumper strip is grounded inside the light switch. Therefore the resistor is bypassed and generator field circuit is grounded. However when the light switch is set to "L" the resistor ground bypass is opened. The field circuit is now grounded thru the resistor. Make sense now?? --- Note - I created this diagram by tracing the OEM wiring on a friend's H several years ago. My memory of the details is now a bit murky. Functionally however the diagram IS correct!
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