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Old 01-14-2020, 09:20 PM   #1 (permalink)
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Join Date: Dec 2019
Location: St Augustine FL
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Default USAT NW2 headlight conversion

I have a USAT NW2 in which I would like to convert the single headlight bulb to two individual LED bulbs to put into a 3D printed headlight bezel I bought.
That said, I believe the current incandescent bulb is 5v. (Not 100% sure). It should be noted, I am running normal track power with a Bridgewerks power supply.
A couple questions
Is the bulb in fact 5v?
Has anyone converted the incandescent bulb to LED? If so, what LED did you use and any special wiring needed in addition? The key for me, is being able to drill out the bezel and put two individual LED bulbs into the bezel as like the rear locomotives.
While Iím thinking about it, anyone know of an exploded parts diagram for an NW2?

Thanks in advance, Eric
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Old 01-14-2020, 10:14 PM   #2 (permalink)
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Join Date: Jun 2010
Posts: 1,153

from USA website

Manual, some info on things

and parts list for the NW 2

Good luck

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Old 01-15-2020, 06:38 PM   #3 (permalink)
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You need to limit the LED current with with either a correctly calculated current limiting resistor or a Supertex CL2

Measure the voltage on the connector to the light when you have power on the rails. My guess it is old school track voltage, but both 5v and 18v bulbs have been found in USAT locos.

Be sure to visit my site, lots of technical tips & modifications, and a functional search.

Click here for Greg's web site

Note: Please. no private messaging, use regular email: [email protected]
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