Re: Wheel detectors (1169901) | |||
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Re: Wheel detectors |
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Posted by New Flyer #857 on Wed Aug 1 08:02:35 2012, in response to Re: Wheel detectors, posted by G1Ravage on Wed Aug 1 05:42:52 2012. What trips the train? A red signal that is connected to WD? The WD itself doesn't trip the train right? It tells a signal to clear? |