Bill, not sure why you need the screen wire. Most layouts only have issues when they are double decked or running inside a tunnel with metal wire for support. I had an issue in just one spot. In a long tunnel. I held up some bare copper wire to the underside of my upper road bed with some plastic clips. Above the track with the issue. Soldered a hookup wire to the end and ran it to my electrical outlets earth ground. I was new to TMCC with just 2 engines. One would stall in a 2 foot area as it passed under a yard area.
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