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Atlas Dwarf Signals
Arnie wants help from readers and asks:
“I have followed the directions included with the Atlas dwarf signal included with the device. I am using Atlas switches. I can not get the light to change. It stays either red or green depending on how I connect the 2 leads from the signal to the switch. I can make them work properly eliminating the circuit board and using a relay, but I would like to use the circuit board. I have switched circuit boards with the same result. Any suggestions from anyone?”
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You may need a 3 legged red/green diode make sure that it don’t draw over .020 milliamps also don’t forget to use a 680 to 1000 ohm resitor in series so you don’t fry it. the center leg is the commom wire if it don’t light switch the polarity and retest then install Alan C. Lompoc Ca.