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DCC'ing A Bachmann Street Car
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 Posted: Sat Jul 22nd, 2017 04:44 pm
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David Elvy
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Would you happen to have a photo showing how and where you mounted the decoder and speaker?
I am just embarking on modifying a series of the bachman 0n30 trams, where did you obtain the sound file, I haven't been able to find anything other than the digitrax generic heritage streetcar?


Thanks David

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 Posted: Mon Jul 24th, 2017 06:43 pm
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Eric T
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I have a question too, I'm about to DCC my first street car and I'm curious whether the headlamp resistors on the PCB can be reused in series with the LEDs or if I should get new ones?

Also does it matter which end of the resistor faces the LED or does it absorb power both ways?

(I'm not too versed in electricity, sorry)


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 Posted: Mon Jul 24th, 2017 08:49 pm
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David Elvy
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I am not an expert but I have never worried about which end of a resistor is the input end and I have never had any problems.
I don't see any reason why you shouldn't be able to reuse the resistor so long as the out put from the decoder doesn't exceed the voltage the LED would normal get from the track.
I am replacing the LEDs with bi-colour ones so I have a red at the rear and white at the front, the LEDs I have purchased come with a resistor, I will check the rating of the existing and new and advise if they differ.
David

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