hello my layouts are powered by lw 125 transformers - i bought a new whistle tender for ac current and it would not work with my built in whistle button - so i bought a sound activation button - still nothing - sat it my dc current southern express 0 track by mistake and the whistle sounds when the dc current train is in reverse - please help i bought it for my old ac current layout :( thank you for your time :)
p.s. it was brand new in the box when i got it saturday :)
the-kid,
Sounds like your transformer needs repair, try revresing the wires on the sound activation switch, also the sound activation switch must be on a terminal marked A or B, not on the U or Common. Try that and it should work.
Lee F.
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