In this article, I will show you how to install a CTC-Turnout Module into a Märklin M-Track.
Important: This documentation was created before our decision regarding wire colors. The wire colors in the photos do not correspond to this decision!
First, we equip the CTC-Turnout Module with suitable wires.
The variant in this photo is not suitable for alternating current (AC), as it lacks the support capacitor (see also the note at the end of the article):
Like with the conversion of old locomotives, care must be taken to ensure all connections to the track are secured with a diode. Otherwise, you risk irreparable damage to the CTC module.
In the case of our M-Track turnout, the lamp is connected on one side to the electromagnetic drive and on the other side directly to the track.
To protect the electronics, we insert a diode into this connection:
We get one track contact (ground) via a soldering lug under the mount of the turnout drive (brown wire).
The other track contact is obtained either through the known tabs or, as we do, by soldering to the center rail (yellow wire).
The turnout drive itself is connected as usual via the yellow and the two blue wires:
WARNING: For operation with alternating current (AC) as supplied by classic Märklin transformers, the CTC module must be supplemented with a support capacitor as shown in the image above (blue component).
Now, the CTC module is pushed into a heat-shrink tube and can then be clamped under the cover of the turnout drive, as shown in the introductory image.
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