Jim Murray The San Juan Southern RR
"There are always alternatives, Captain" - Spock.
QUOTE: Originally posted by der5997 . . . . Can I piggy back on this topic now the questions' been answered? . . . . So, I don't REALLY need polarity indicator lamps, but I would like to put them on. I've experimented with a bi-color LED, but can't get consistent results. Could someone please point me to a web page (I have no good access to back issues of magazines) where the wiring for reversing loop polarity indicators is shown. Thanks .