Kato N scale FEF3 with ESU LokSound installed.
A mostly step by step instruction guide in how to install a full sized ESU V5 decoder into the Kato FEF3 using a combination of quick cell phone grabs and still images I took with my phone.
Hopefully this information will come in useful to someone.
Have a great day! :)
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![](https://s2.save4k.ru/pic/m_Tl1LBHljU/mqdefault.jpg)