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adding lights to dc locos?


Badgercote

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YES, the only limitation would be of course they would have variable brightness to completely off depending upon loco speed controller setting.

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Would you want them to be directional? i.e white and red LEDs at each end, that switch between being white or red depending upon direction. That is doable as well.

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There is a slight possibility that the 'Back EMF' generated by the electric motor might cause some low level flickering of the LED that is supposed to be unlit. But the circuit above is extremely basic.

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The White LEDs could be 3mm round variety. The Red LEDs could be 'top hat' variety (the bit of the LED showing through the bodywork would be only 2mm).

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Wow !!

I thought I only wanted a pair of white (-ish) headlights at the front, anything more than that would be ok but not essential for me.

Do you simply wire a pair of leds or similar 12v bulbs to the pickups or motor connections or is it a bit more complicated than that?

I'm not too bothered about directional lighting at this stage.

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A simple way would be to look at the service sheet for an early diesel such as Class 56, R2335, ss229, which has simple bulbs wired into the pickups to motor circuit, fairly easy to pickout on the diagram How these are wired.

spare bulbs can be sourced from Hornby or Peters Spares. X8349 for instance if you dont want to fiddle with leds and resistors.

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