OK, some are quoting my post asking where I was coming from with the relay use. It has been a couple of years but there was a thread on here regarding using the AIU ACC ports to power sidings and yard tracks. At the time someone pointed out that ACC ports could not handle the amperage the tracks may draw so they should be turned on using relays. I was very new to command control so while I was only a reading participant to the thread I took what was said as gospel and went with it. I tried to find the thread but no joy. It may hay been because the ACC ports are only momentary and non latching. All of my sw ports are used. Correct me if that is incorrect.
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