Correct me if I’m wrong. While cranking the starter, the wire to the solenoid supplies 12V. The R terminal also sees 12V during cranking because of an internal connection within the starter from the solenoid to the R terminal. Once the key switch goes to RUN, the S terminal goes to 0 volts and the resistor wire circuit supplies the only current to the R terminal.

Not quite Lugnutz. Once the key switch goes to run, R terminal is dead and the resistance wire takes over. S is dead also as you say.

JW: Keep the ballast resistor. I always change from resistance wire to ballast.

Last edited by bartamos; 02/07/2023 8:28 PM.

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