Check out High Tech Modellbahnen (HTM). Their web address is?. Achim Grob is easy to deal with and has no ?problems shipping to the US. Just do not be in a hurry, may take a few weeks for items to arrive. He has set ups to do exactly what you are trying to do. HTM is also about the only place to get LED replacement bulbs for the Marklin 8953 bulbs and others. Will warn you the bulbs get kind of spendy but what the heck, WE are Z Scalers: We know all about that. Hope this helps
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