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Issues with new section of my layout

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  • Member since
    October 2009
  • 200 posts
Issues with new section of my layout
Posted by Jeff1952 on Tuesday, February 22, 2022 5:34 PM

Gentlemen, this topic has undobtedly been touched on before and elsewhere, but...

I'm working on a new section of my layout, which will include a DCC basic oval of sorts running around the periphery just as window dressing when I have visitors who just want to see and hear "the trains" running. I added ONE trailing point turnout, a Peco Insulfrog #6 that connects to a siding. Suddenly, when I manually throw the switch to move onto the siding...everything stops!! So I thought...bad turnout. Switched it out for another. Same thing. Then a third...same thing. I'll add jumper wires at some point, but.... any thoughts on what's going on? Or in this case...NOt going on? Troubleshooting electrics is the one part of this hobby i LOATH, so any advice would be appreciated before I toss something expensive at the wall....

  • Member since
    November 2005
  • From: Phoenix, AZ
  • 693 posts
Posted by woodone on Tuesday, February 22, 2022 6:01 PM

Have you checked the poliatry of the feeder wires to the siding?

  • Member since
    August 2003
  • From: Collinwood, Ohio, USA
  • 16,367 posts
Posted by gmpullman on Tuesday, February 22, 2022 6:33 PM

Please scroll down to the "Non-Isolating Power Routing" Turnout section here:

https://dccwiki.com/Turnout

You will need to insulate the rail just beyond the frog on the main line at a minimum.

Good Luck, Ed

  • Member since
    May 2020
  • 1,057 posts
Posted by wrench567 on Tuesday, February 22, 2022 11:03 PM

In essence you have added a reverse loop to your established single point layout. You will need to isolate a section of track and install either a double throw double pole switch if it is DC or on DCC there are auto reversing units. Be aware that ARs are designed for low amp systems like the NCE Power Cab and others for higher amp systems.

    Pete.

  • Member since
    October 2009
  • 200 posts
Posted by Jeff1952 on Wednesday, February 23, 2022 12:06 AM

Thanks guys! Guess I know what I'll be doing this weekend. I sincerely appreciate the inputs!!

  • Member since
    December 2015
  • From: Shenandoah Valley
  • 9,094 posts
Posted by BigDaddy on Wednesday, February 23, 2022 9:20 AM

gmpullman
Please scroll down to the "Non-Isolating Power Routing" Turnout section here: https://dccwiki.com/Turnout You will need to insulate the rail just beyond the frog on the main line at a minimum.

It's usually hard to figure out track problems without a diagram.  We don't actually know where his loco is stoping, before the points, after the frog on the mainline or in the siding.

Depending on where the feeders are and especially if we are talking only one to each rail, switching to the siding will kill mainline power on the opposite side of the turnout.

 Relevant diagram from DCC Wiki

Our dearly missed electronic Guru Randy Rinker had this to say about feeders and insulfrog turnouts (third from the bottom post)

wrench567
In essence you have added a reverse loop to your established single point layout.

 I don't see one turnout to a siding as reversing loop situation. pending more information.

I would suggest to the OP to bite the bullet and go to Harbor Freight and get a $6 voltmeter.  He can check continuity (it beeps) on one of his extra turnouts and understand how it routes power, what is hot and what is not.  He can measure voltage.  While it is true voltage can drop under load, most of our problems can be traced to electrons that have stopped moving somewhere. 

Or he can rig up a tail light and aligator clips.

Henry

COB Potomac & Northern

Shenandoah Valley

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