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    Headlights come on for opposite direction?! Please Help ASAP

    I just installed a DCC Decoder in my GP-38, that I took from another GP-38. It runs fine, and the headlights come on, but when I'm going forward, the back comes on, and when going backwards the front comes on! How do I stop this from happening and fix it to how it should be? Any help would be...




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