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Farmall Tractors Discussion Board |
Re: Alternator Conversion Wiring Diagram
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Posted by Bob M on January 27, 2000 at 07:52:21 from (192.232.120.194):
In Reply to: Alternator Conversion Wiring Diagram posted by Bob G. on January 27, 2000 at 05:26:41:
Hey Bob G - I adapted that schematic directly from a GM car shop manual (an '80 Chevy Citation I think...) The Delco alternator has internal diodes, plus logic in the regulator chip that prevents the engine from running on and prevents the battery from drawing current with the ignition switch off. What DOES happen when the ignition switch is turned off is the warning light flickers until the engine stops turning - same as in a GM car. But the lamp does not pass enough current to fire the plugs. And once the engine (and alternator) stop turning, the light goes out and no current gets drawn from the battery. I've used this circuit for 20+ years on all sorts of farm and industrial engines. Trust me on this - as long as you wire it as shown in the diagram, it works great! Bob M PS - Someplace I have a schematic for the internal wiring of the Delco alternator. It's complex - fills an 8-1/2 x 11 page. I think only an electrical eng'r could understand it. But if I can find the schematic I'll take a digital picture of it and e-mail it to you. (One of my kids at college has "borrowed" my scanner...)
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