 Joined: 10/02/2024(UTC) Posts: 18 Location: Pennsylvania, Allentown
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Hi
I found a 8939 signal at a recent meet for cheap and just want to add to my developing layout for visual interest
I was hoping that I could just wire with both lights staying on.
Not prototypical I know, but don't want to go the road of having wire for full operation.
No instructions included and the information I found doesn't help.
I thought that the red and green wires could be connected together and the yellow wire used to complete the circuit.
That doesn't work with 9 volts applied.
Any help appreciated.
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 1 user liked this useful post by ProductionMgr
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 Joined: 09/07/2012(UTC) Posts: 66 Location: Leicestershire
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Can you get the red and green lights to illuminate individually?
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Joined: 10/02/2024(UTC) Posts: 18 Location: Pennsylvania, Allentown
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Hi
I was able to get the lights to come on.
I used the red and green paired on the red terminal and yellow wire on the yellow terminal on the transformer.
I had previously just tried the experiment with a 9 volt battery which may have been dead.
Thanks for taking the time to respond.
Happy New Year
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1 user liked this useful post by ProductionMgr
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Joined: 15/09/2014(UTC) Posts: 682 Location: London
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If you just connected the green and red wires to an ON/ON switch (something like a 3-pole, double throw switch), then connecting the switch to the transformer, you could get a lot more playability for only a little extra effort/cost.
Carim
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1 user liked this useful post by Carim
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Joined: 10/02/2024(UTC) Posts: 18 Location: Pennsylvania, Allentown
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Hi
Thanks for the additional option.
There was a time when I could walk into my local Radio Shack and pick up a switch.
Not sure if they exist as an online store.
At any rate, I'm sure that I will find one.
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2 users liked this useful post by ProductionMgr
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Joined: 04/02/2021(UTC) Posts: 480 Location: USA
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