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Model Railroading > 12V headlight bulbs on 9V question.

Date: 10/16/20 17:22
12V headlight bulbs on 9V question.
Author: Bscale316

I use LED's for everything now, but will have to use 12V miniature bulbs for headlights on a steeplecab.
If my decoder puts out 12V for functions, and I'd like to reduce it to 9V for extended bulb life,
is it as simple as using a resistor in line with the bulbs?
Bill in Ft Worth

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