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LED Instrallation Front and Rear Lights for DCC

Started by Sunshine Express, April 14, 2013, 06:30:02 PM

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Sunshine Express

In fitting a Silent Running  decoder in a diesel loco,how should the front and rear led lights be wired,when this decoder supports both lights.Blue  and white for the front,and blue and yellow for the rear ?.
Thanks
Owen C Robinson

richg

Quote from: Sunshine Express on April 14, 2013, 06:30:02 PM
In fitting a Silent Running  decoder in a diesel loco,how should the front and rear led lights be wired,when this decoder supports both lights.Blue  and white for the front,and blue and yellow for the rear ?.
Thanks

They should wired exactly like you said. Just include a 1k, 1/4 watt resistor in series with the yellow lead and the white lead. That will allow about 9 ma current for each LED. Not a big deal.

Rich

Sunshine Express

RichG, Thanks ,I think I created a short circuit recently and blew a decoder. I  I put a resistor on the blue wire. However that is the past,I will stick to your  advice and put resistors only on the white and yellow wires.
Owen C Robinson