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i am having issues getting multiple outputs from a single DCS command.   Mostly this occurs with crossing signal but also other horn signals and even crew dialog when using soft keys.   I have the Wi-Fi DCS companion and have done everything I believe is mentioned in it and also have reviewed similar posts on the forum.  This is my first post and wonder if I have missed something.

i am running WI-FI with a L version TIU.   I am using 3 Lionel power bricks to power three channels of the TIU and another Lionel transformer for the accessories.  My problems really began when I added the 2nd and third power bricks.   I was using just one to power the whole layout and I would get a double output every once in a while but it has increased significantly since adding the power bricks and running three channels.   I was running all power in a bus format and have changed the power to a star format and track blocks as advised in companion.   I have recently modified one section of the ground or common wiring to star format as well. I have not done the other two sections as it did not seem to make a difference.  I have included a picture of my layout if that helps with analyzing my issue.   Each level is powered by a different TIU channel.

the power is all located behind my control panel.  I have phased the transformers and added a common ground to the inputs to TIU.  I have Legacy connected to TIU channel 1 output.  From The TIU,s power goes to three terminal blocks, one for each section of track.   The track feed wires are different lengths as the layout is a u shape with power going both ways from center to each loop.  So the longest is 15 feet and shortest a couple of feet on each track loop.   There are about 6 track blocks on each loop of track.   I am using 16 gauge stranded wire.   

Sorry for the lengthy discussion but I wanted to include as much information as possible.   I would appreciate any input as I have used the forum to research issues before and there is a wealth of knowledge.   Thanks for taking a look.

Al

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Thank you guys for the quick reply.  There is one section on one loop that I had difficulty getting power through three switches and I have three power connections for that one track block.   I have not really had issues with that particular block but on other sections and other loops as well. Could that be causing the issues everywhere.

I was able to eliminate the same issue by installing an 18 volt light bulb right at the outputs of the TIU. Even though I have MTH Lock-ons, with the 18 volt bulbs at the tracks, I still had the soft key echos. It wasn't until I put the bulbs right at the output of the TIU that it went away. I think the Rev L was supposed to eliminate the need for the magic bulb, but I would try the bulbs anyway, if nothing else works.

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