Blue Moos Posted October 10, 2020 Share Posted October 10, 2020 Hi Allim building a layout with my son and have a ED3 electric semaphore signal. Does anyone have any idea how to wire this up (a diagram would be good) and which switch should I use? black, green or yellow? (I think black is passing contact, for points?) thank you Link to comment Share on other sites More sharing options...
5Dublo2 Posted October 10, 2020 Share Posted October 10, 2020 Passing Contact Switch - Middle screw is the common (ground) left and right screws are the positive sides to operate one way or the other (so wire it like a point motor) - as the base is metal be careful to make sure the wires aren't shorting via the base) Link to comment Share on other sites More sharing options...
Blue Moos Posted October 10, 2020 Author Share Posted October 10, 2020 Passing Contact Switch - Middle screw is the common (ground) left and right screws are the positive sides to operate one way or the other (so wire it like a point motor) - as the base is metal be careful to make sure the wires aren't shorting via the base) Thank you, I'll give that a go Link to comment Share on other sites More sharing options...
Buz Posted October 11, 2020 Share Posted October 11, 2020 Hi Blue MoosThe base circuit is here https://www.hornby.com/uk-en/forum/lost-signal-diagram-help-diagram-help-please/?p=1 I am trying to find out more as I want to isolate the track as well and cannot remember what was in the middle.If not isolating remember to leave out the isolation's and diode.regards John Link to comment Share on other sites More sharing options...
Blue Moos Posted October 12, 2020 Author Share Posted October 12, 2020 Thank you all, worked a treat. I'm sure I'll be back at some point with my next stumbling block. you all seem so lovely and happy to help Link to comment Share on other sites More sharing options...
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