https://blog.model-train-help.com/2010/09/atlas-200-snap-relay-for-led-trackside.html?utm_source=rss&utm_medium=rss&utm_campaign=atlas-200-snap-relay-for-led-trackside Model railroads and model trains Thu, 22 Nov 2012 03:03:41 +0000 hourly 1 https://wordpress.org/?v=6.9.4 https://blog.model-train-help.com/2010/09/atlas-200-snap-relay-for-led-trackside.html#comment-861 Fri, 17 Sep 2010 08:35:34 +0000 http://68.171.208.138/~blogmode/2010/09/atlas-200-snap-relay-for-led-trackside-lamps.html#comment-861 resistors one goes on one leg of each led.on power unit there should be to sets of out puts one for track (ac )one set for accessory it will be dc this is where you hook up led you may have notice one leg of led longer then other this is how you tell – from + as long as you have resistor on one leg of led even if you hook it up wrong it will not hurt it just well not come on if you have hooked them up WITH OUT resistor they are most likely burn out hope this helps

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