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Marklin 8939 signal - wire for continuous on
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Offline ProductionMgr  
#1 Posted : 29 December 2024 03:08:09(UTC)
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ProductionMgr

United States   
Joined: 10/02/2024(UTC)
Posts: 18
Location: Pennsylvania, Allentown
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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Offline ciderglider  
#2 Posted : 31 December 2024 09:07:50(UTC)
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ciderglider

United Kingdom   
Joined: 09/07/2012(UTC)
Posts: 66
Location: Leicestershire
Can you get the red and green lights to illuminate individually?
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Offline ProductionMgr  
#3 Posted : 31 December 2024 18:16:40(UTC)
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ProductionMgr

United States   
Joined: 10/02/2024(UTC)
Posts: 18
Location: Pennsylvania, Allentown
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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Offline Carim  
#4 Posted : 01 January 2025 14:51:08(UTC)
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Carim

United Kingdom   
Joined: 15/09/2014(UTC)
Posts: 681
Location: London
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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Offline ProductionMgr  
#5 Posted : 01 January 2025 17:17:50(UTC)
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ProductionMgr

United States   
Joined: 10/02/2024(UTC)
Posts: 18
Location: Pennsylvania, Allentown
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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Offline BenP  
#6 Posted : 01 January 2025 17:45:43(UTC)
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BenP

United States   
Joined: 04/02/2021(UTC)
Posts: 477
Location: USA
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Digital M track layout with vintage rolling stock and accessories controlled by CS3+Rocrail; small Z scale layout.
https://youtube.com/play...0kgVYbh0CeDTF-bYXoD_2-V9
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