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<p>[quote user="dslack490"]I have a Bachmann 2-8-0 in HO scale with a TCS WOWSound decoder in it. I had to make repairs to one of the trucks as theykept falling out.[/quote]</p> <p>The locomotive picks up power through the tender trucks and through the drivers.  It is likely that you have spun a tender truck 180 degrees creating a dead short (and hence a buzzing).  The other possibility is that you have a set of wheels in the tender installed backwards.</p>
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