You can eliminate the resistor for the ignition system by using a 12 volt coil but you will still need some way of keeping the #1 terminal of the alternator from back feeding the ignition circuit and preventing the engine from shutting down when the switch is turned off.
This can be done with a diode which stops any current from coming back out of the alternator to the ignition circuit, a resistor which drops the voltage of the back feed too low for the engine to stay running, a light bulb which can serve as a charge indicator and also lowers the voltage, an ignition switch with separate accessory and ignition feed terminals, or a separate source to energize the #1 terminal. A separate source could be a switch that you manually activate to provide the power or it could be done automatically by using a switch closed by engine oil pressure.
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
... [Read Article]
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