Help identifying Decoder

toy4x4

New Member
Dec 4, 2006
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Rummaging through some old stuff, I found a couple decoders I need help identifying before I try to use them. I bought these for n scale engines.

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Or if you want to guess what the wires are for. I know Orange and Gray go to the motor and red and black are for the rails.

IMG_3207_small.jpg