I recently purchased a WM spectrum tender (same as on the 2-8-0) to use with a very old ConCor Y6b, but am having some difficulty with wiring it.  I used only the left side power lead, as the Y6b is powered on the right side.  Is there a schematic for the tender, or a way to open it to access the inside electrical connections? Any advice on making this project work would be helpful.  Thanks.