I found this method on line looking for how to automate these switches and it seems simple enough (middle right).

 

My question: If these switches are automated, do they still require the controller box to be hooked up to the terminal posts? Mine are already all modified to use accessory power. Can I just put the middle post to a grounding bar or do I even need to since the track completes the common circuit?

Thanks in advance guys, this would be super helpful for the reverse loops on the layout I'm planning.

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SteamWolf posted:

...do they still require the controller box to be hooked up to the terminal posts?

No. The controllers are just wired in parallel.

SteamWolf posted:

Can I just put the middle post to a grounding bar or do I even need to since the track completes the common circuit?

 You don't need to, but you can, it may make for a neater installation if you use those center posts as connections to the track instead of lockon clip 2.

Last edited by ADCX Rob

Screenshot_20200207_094951_com.google.android.apps.docsI'm necro'ing this thread to ask another question. Attached is a diagram of the 1121C control box. It appears to me that the controller is just a large DPST switch. (Ha. Switch for a switch.)

To make a cleaner install, could I just use a small momentary DPST toggle with modern non-crumbly not 80 years old wire? 

 

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Last edited by SteamWolf
bmoran4 posted:

Yes you can.

Perfect! Thanks. I'd rather just leave the control boxes as is, the last one I took apart ended up with crumbled bakelite from the screws being in there for 80 years. 

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