Wiring any model railroad can be a daunting task. Since we can’t see it, electricity can be a challenge to understand. And when something doesn’t work, it’s more difficult to figure out why. Like other parts of the hobby however, wiring your railroad is not something to fear. Learn the basics, establish standards, learn as you go and wire as you build.
Wiring often looks and sounds complicated, but if you follow these steps you’ll take away the mystery and the mess.
One of our most common questions is, “What do I need to wire my railroad?” Well, that all depends. How big is your railroad? How many trains do you run? What accessories do you have? The number of control switches, block sections, transformers, etc. that you will need will all depend on what you are trying to do. The basic principles however remain the same. While the quantity may change, the systems do not.
We’re going to take you all the way through wiring a model railroad, from starting a basic platform, to adding accessories, to installing command control. The pages within this blog are filled with diagrams, photos and video to make sense of it all. You may not need all of this information, or you may just not need all of it right now. Follow along from beginning to end or jump around to the topics that interest you – either way you’ll find this mysterious wiring monster is less fierce than he’s made out to be.
The Basics
- Understanding electricity and how it relates to your model railroad
- Best Practices for model railroads – from the size of your wire to the power of your transformers
- Soldering – learn a few tricks to mastering this essential modeling skill
- Power Supplies – an introduction to our options
- Phasing Transformers – an easy way to expand and simplify your wiring
- Accessories vs. Track Power – Constant vs. Variable Voltage
Conventional Control
- Track Power
- Adding Busses - Power distribution and organization
- Adding Blocks - Power where and when you want it
- Accessories
- Different types of Accessories
- Outside Insulated Rail Activation
- 153 Activation
- Wiring a Lighted + Animated Accessory – see how to configure the Gateman and similar accessories to operate just the way you want.
- Uncoupling / Operating Tracks - Modify uncoupling and operating car tracks for constant voltage operation.
- Switches
- Modifying Switches for Constant Voltage- includes instructions for:
- FasTrack
- O-31
- O-27
- Modifying Switches for Constant Voltage- includes instructions for:
Adding Command Control
If you’ve followed the steps above to wire your railroad for conventional control, then installing command control can literally be as easy as attaching a single wire. You can also use your TMCC or LEGACY system to control switches and accessories from other manufacturers. We’ll walk you through the process step by step.
Command Control Basics – What is it and what can it do?
What Do You Need to Get Started? – Product overviews to build your command control system, including products needed to run both command and conventional control trains.
Installing Legacy – Step by step video tutorials will lead you through the whole process as you set up your basic LEGACY system.
Expanding Command Control - ASC, AMC, ARC, BPC… It can get confusing in a hurry! This page will help you make sense of all the controller options available as you add to your command control capabilities to do more than just run trains.
Switches
- ASC and SC-2- Both of these control switches. Depending on which type of switches you use, one may be better than the other. Which one is right for you?
- SC-2- The SC-2 is best suited for twin-coil type machines and can be easily wired to Lionel switches as well as other manufacturers’.
- O Gauge and O-27
- FasTrack
- Other Manufacturers’ Switches including:
- MTH Realtrax®
- MTH Scaletrax®
- Atlas O
- Z-Stuff
- ASC (Accessory Switch Controller)- The ASC will handle twin-coil machines, but also motors. Here you’ll find wiring instructions for using the ASC on switches including:
- Tortoise (Stall-Motor)
- DZ1000
- FasTrack
- SC-2- The SC-2 is best suited for twin-coil type machines and can be easily wired to Lionel switches as well as other manufacturers’.
Accessories
There are multiple ways to connect your various accessories to command control. For most, you can use the same SC-2 and ASC that also work with switches. For operating and uncoupling tracks, we have the OTC. And for other special accessories, we have the AMC. And of course those 153 devices and insulated outside rail blocks will still work no matter what is powering your trains. You are really limited only by your imagination when it comes to wiring your accessories.
- SC-2
- We show how you can wire this versatile controller to use both momentary and on/off contact switches to operate up to twelve accessories.
- ASC
- Use and program the ASC to control just about any accessory that requires momentary or on/off activation – up to eight addresses are available on each unit.
- OTC
- Use the OTC (Operating Track Controller) to operate your operating and uncoupling tracks from your cab. We provide clear instructions for both uncoupling tracks and operating tracks in both the Fastrack and O Gauge lines.
- Other Accessories: Watch as we install a receiver in an Atlas O turntable to make it run from your system. These same techniques could be applied to many accessories.
A Sample Layout
So what do you need to wire your layout? By now you should know what each piece does and what it can handle. This sample layout puts it all together in a single platform to show what you might really nead to convert your layout.
While your layout is probably different from the one shown here, hopefully this sample will help show you the way.
It would be great if you could do a video on wiring Legacy with a powerbridge and either/or a ZW and Power Master
Stay tuned!
First of all, thank you for this service as it will help to clear up many questions about wiring. My request would be to include American Flyer two rail hook-up’s in this series as that is my preference. I have a Legacy locomotive running with my Gilbert AF and I would like to see instructions pertaining to AF trains, too. Thanks again.
That is definitely something we can add. Thanks!
I’m glad to hear this. I believe this will help Lionel to convert many fence sitters to come over to the added fun of the Legacy system with the use of AF trains.
What conflict, if any, would be impose if command was ADDED to turnouts already wired for standard controller operation. In other words, can the turnouts operate in both command and direct modes at the same time?
In other words you want to have both the remote control button and an ASC or SC-2 hooked up? This should not be a problem with any of the momentary contact switch machines as long as you don’t press the button and the controller at the exact same time. The ASC and SC-2 are essentially push putton switches which replace your finger with a command code from the command base. With the constant voltage machines like a Tortoise, we’d have to test it to make sure it would work properly.
This is as I thought. Thank you very much for your fast response. Upgrading my current system will not be an inexpensive job and I want to be sure that I understand completely. I will be moving from 0 to fastrack, including (at this point) non-command fastrack turnouts, beginning this autumn/winter.
This section and its videos have helped me confirm most of my assumptions and given me a final confidence to move ahead. You have my forever thanks for something I felt was very much needed!
Our pleasure! Good luck with your conversion, and feel free to reach out with questions any time. The process can be overwhelming in scope (and budget!) if you try to do it all at once, but just like in this series, you can break it down into smaller chunks and add on as your time and budget allow. Have fun!
Thank you and what a great idea. Please include “tips” as you go along, much like many of the “how to books” on PC’s and software. I am all for the focus on Legacy but hope it addresses TMCC as well.
In your sample laout, I see there are several crossover sections to go from one loop to the other. These are using 2 swtches that are face to face (so to speak). Is it possible to connect BOTH switches to one controller, so the ‘pairs’ operate in tandem ?
Yes. In a crossover, both switches can be wired to one terminal on the controller. Not only will it save you money on hardware, it will make operations easier as well.
Simple parallel connections? (Just to be clear)
Yes indeed!
Sorry looking for some tehie details too thus ..another question
What is the ‘Data’ terminal used for on the FT CC Switches?
(and what does it speak rs485,ttl,other?) Are there any specs on this (yes I’ll sign an NDA if needed )
You’ve gone a bit over my head on those questions. I don’t have the information you’ll need here, but I’ll pass the question along and get back to you as soon as possible.
Thanks, just trying to fully understand things, so they can all be seamlessly integrated and used to their max potential.
Here is a response from our customer service center – I hope this helps:
It is the data and com line, similar to the command base cable used to drive devices such as ASC/AMC/ARC, etc. The Data terminal is essentially a +5VDC communication line used to drive the old IC Controls line of devices, so a cable does not need to be run from the command base. If a command switch is in a close proximity to these devices you can use DAT and common to drive those devices.
Next question (related to back to back switches)
I have one section where there are basically 2 loops connected with o36 switches.
The mainline (outer loop) is an OUT to switch to the inner loop_
The inner loop is a THRU to switch to the outer track.
I am using 2 – o32 command control remotes on the mainline, and 2 – o32 std remote switches on the inner loop.
If I dont use the RSC Lamps, can these be ‘cross wired’ where the outer loop THRU, and the inner loop OUT are one connection (and vice-versa) ?
Would this cause any problems (eg are the OUT and THRU connections used to feedback voltage to the controller for indications), and is there a way around this ?
BTW a full schematic of the control board would help a lot
You should not have any problems linking these two switches.
Thank You !
As a bonus to doing this, the Anti-Derail feature will throw both switches too !
We have building a brand new layout which will be quite large. We will only be using legacy. Where can we find help with wiring for JUST LEGACY? Thank you
The LEGACY instructions on this page will guide you through the LEGACY installation process. Although not “LEGACY” per se, you’ll still want to review some of the conventional techniques like wiring bus and feeder wires to get the most out of your trains. You can also add LEGACY to your switches and accessories as you go to reduce the up-front costs.
Thank you for your fast response. So if we add LEGACY to our switches and accessories do we just put in either the accessories or operating track and then take that back to where? We have operating fastrack, accessory fastrack, not sure exactly how they work. Also we have a rotary coal tipple, is there anyway we can connect it to legacy so I can operate with a preprogrammed sequence? Thank you so much for all your help.
You’ll want to use the SC-2, ASC or OTC to control your accessories and operating tracks with LEGACY. You can find instructions for all of these on the wiring your layout page. You’ll also find instructions for the insulated outside rail track and the 153 switches which can be used to control accessories that don’t need LEGACY control. For example, a crossing signal can be controlled easily with an insulated rail and will be operated by the train – no need to add a manual control unless you want to turn it on and off every time by yourself. For the rotary dumper, you would want to use the AMC (Accessory Motor Controller).
One other question. Exactly how do you figure how many transformers you need for fastrack.
The transformer requirements don’t depend on the track, or even the amount of track, but the amount of trains and accessories you are powering at one time. Check out this sample layout here for an idea of how we would estimate power needs: http://lionelllc.wordpress.com/projects-and-tips/wiring-your-layout/adding-command-control-to-a-typical-layout/
Is there a step by step wiring book for dummies anywhere? With pictures?
Does anyone have any idea of why Lionel cars with coil couplers are opening on various sections of Fastrack? I am at wits end trying to figure this out. Does not matter which car (any one of them from 1941-1955), or any one particular section of track. It will happen on both my conventional blocks and my Legacy blocks (7 blocks over all). I have tried taping over the shoes on the cars but this only makes a mess of the track, gets caught in the switches (26 Command Control aux power) and does not really address he problem. Thanks for our input. I really do not want to disable all the shoes with the wire cutters.
There is no likely electrical reason for the problem. More probable is that the coupler springs themselves have simply weakened with age. You could try replacing the springs on the couplers. An easier “temporary” fix is to hold the knuckles closed with a small rubber band. We’ve used this trick several times on our display layouts as a “just in case” when the trains have to run for hours or days unattended.
Is there a way to turn a fastrack manual switch into a automitac one?
I am just getting back into Lionel model railroading. I purchased some fastback and fastrack switches. Everyitme the loco rolls over the middle of the switch it stops. This happens on both switches, it appears that all the rail connections are as they should be and the wiring and jumper is correct. Am I missing something?
I am changing from tubular track to FasTrack. To get started, I just want to replicate my tubular layout in FasTrack. My tubular 022 switches each had original controllers but also had 2 wires from one 022 directly to the other 022. This way one switch was activated by the train passing thru the other (as shown on page 89 of The Big Book of Lionel 2nd edition). So here is my question. Can Fastrack switches be wired together to do this, and if so what are the wiring connections required?
YES, red and green may be connected between switches. Both switches will activate simultaneously ( either by switch remote. or by passing trains)
SIDE NOTE(s):
>>You can also configure switches front to back (one thru and one not thru.- like a crossover where one is a thru and the other is a turn ) in this case cross the red and green between the switches to achieve simultaneous switching to the correct tracks)
>> The Yellow lead is for the Indicators, and should be kept separate ! When using in a crossover front to back configuration, select the appropriate yellow for the remote indicator (one will be red/green the other green/red)
Thank you. Much appreciated.