If your Lionel ZW or VW transformer lights up and hums but doesn’t output any voltage on one or more of its pairs of binding posts, there’s a good chance one or more of the binding posts is bad. It’s possible to repair Lionel ZW binding posts cheaply.
By far the most failure prone part of the Lionel ZW and VW is the binding posts where the wires connect to your track. Fortunately, there’s a workaround that works sometimes. But if you want something better than a workaround, a proper repair is cheap and not difficult.
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David Farquhar is a computer security professional, entrepreneur, and author. He started his career as a part-time computer technician in 1994, worked his way up to system administrator by 1997, and has specialized in vulnerability management since 2013. He invests in real estate on the side and his hobbies include O gauge trains, baseball cards, and retro computers and video games. A University of Missouri graduate, he holds CISSP and Security+ certifications. He lives in St. Louis with his family.