This is the DCDS in your locomotive.
Most likely the generic Pittman model will work. The only wild card is occasionally the 10-pin connector outputs are programmed in a different manner. However, since the Pittman is mostly a steam motor, I suspect that's not an issue.
@SteveH posted:Maybe someone else can comment on the unattached wire end shown in the second video.
My guess is it's the antenna wire disconnected from the shell.