I’m fairly new to using DCC to run my locomotives, and I’m attempting to install a Tsunami decoder into a Key Imports FEF-3. Prior to, I constructed a little platform to test it...and I got nothing. No lights, no sound. I have the system set to #3, which is the default channel out of the package. My assumption is that I have wired something wrong. The led anodes are wired to the inputs, the cathodes to the common. The speakers only have 2 connections. I have no electric motor handy to provide a load. My prime suspect is the “ground” connection which I have not connected to anything as the decoder already has connections for the rails. Where would this connect to? I include the factory diagram for reference.
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