Hi bivalve,
I have a CD555 headunit, but no CD555PS psu.
So, since I am owning two XPS2 psu´s, I have the idea to modify these units,
so that I can use one XPS2 for the burndy1 of the CD555, and the second XPS2 for the burndy2.
That´s the reason, why I am asking for the CD5555PS pin...