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Reply to "LED Lighting Upgrade for MTH Full Dome Car"

Dave Zucal posted:

GRJ, I used your kits to upgrade a string of Santa Fe passenger cars with the same trucks. In this video you'll see the lights go off and on when the cars pass over switch tracks that are connected together. I believe poor ground through the trucks could be the cause. Is it possible to purchase the copper ground straps that ride on the axles, from MTH, and mount them to these style trucks? It may be an easier job then tearing them apart. Thanks for posting this project. My dome car is the only on in the video that still needs an upgrade. Your post will be a great help.

That blinking seems too fast for the supposed time constant of the power supply. There should be a second or two of power after the truck loses contact.

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