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How do I wire the 153ir to operate one side of the double signal bridge?  The side in the photo below has two numbered posts; 1 and 3.  An additional "1" is at the bottom, but doesn't have a post to attach wires.

I can successfully light the green light, but can't fire the red one.  The 153ir is functioning properly when hooked to a meter.

My bridge is an older k line

signal bridge2

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

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