How To Fit DCC Sound And A Stay Alive Into A New Heljan Class 104 DMU

The long awaited class 104 is here! I have fitted this one with Legomanbiffo sound, speaker upgrade and a stay alive. Find out how I did it. If you need sound for any model, take a look at our website here https://www.roads-and-rails.co.uk

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Class 104 - Heljan's Best Model EVER? + Legomanbiffo Sound

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