i am getting ready to install & wire a manaually controlled reversing section on my layout. My question is... can i install a low current (12v-40ma) Grain of Wheat lamp with proper resistor etc.. across one of the gaps between the main & reversing section that would illuminate when the sections are not the same polarity? Digitrax DCC system. Would it cause a short or interfere with the data?
See image below
Yes you can, to the DCC system it would be no different than the same lamp in a lighted passenger car.
I use a similar circuit but with LEDs. I run dual mode, DC or DCC, I’m not sure whether the GOW would trip an auto reverser. I don’t use auto reversers, I use toggles.I run about 80% in DC mode and 20% in DCC.Mel Modeling the early to mid 1950s SP in HO scale since 1951My Model Railroad http://melvineperry.blogspot.com/ Bakersfield, California Aging is not for wimps.