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Decoder selection for Athearn Genesis and Stewart F units.
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You'll have to do some soldering -- on the Stewart and Atlas Kato-based units, the light bulb is connected to the lightboard just by being twisted around the power bus wires. In the Atlas units the light is mounted in the center of the lightboard; the Digitrax decoder I mentioned has solder pads there so you can remount it in the same place if you're not going to install separate front/rear lights (no one else has this feature). Otherwise (and on the Stewart Fs), the light has to be soldered to the front connectors on the decoder. It's pretty easy to do with a 15 - 30W soldering pencil and a good magnifying glass <br /> <br />At some point in the future I plan on removing the original light and going with directional lights, but for now it works fine.. <br /> <br />One thing I found on the Stewart/Kato Fs is that there's a support on the original light board for the back of the small tube that directs the light towards the forward lens and keeps it from illuminating out the portholes. The decoder boards don't have this support, so I improvised by using CA glue to glue the light tube to the front support, and put a large-enough piece of shrink tubing on the back to cover (and support) the little bit of the bulb that sticks out the back of the tube. The heat of the bulb is just enough to shrink the wrap to give it a good seal.
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