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I'm interested in making a more compact version of the Lionel r/cc switch control.  There are four wires in the bundle.  Ground(Black), Thru(green), Out(red) and RSC lights(yellow).  I understand that the operation of thru/out and their relationship to ground ... momentary switches to command the movement.  The rsc lights I also understand .. -4.5v or 4.5v to indicate thru or out.

My question is this ... I'd like to create a circuit that lights the right colored led ... red or green ... depending on the voltage polarity sensed between rsc lights and ground?  Can anyone point me to such a circuit?

Any pointers ?   Am I in the right forum/topic?

Thanks in advance

Jim

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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