Digging further, looks like BlitzSafe does have an Aux input only version of their adapter: VOL/AUX DMX V.1, so you were indeed on the right track...

BUT its still $70+s/h, same price as the iPod i/f (grr...)

I guess that's okay for an aftermarket product, but there has to be a better (i.e. low ...

Thanks for the suggestion Whoa, but I think that BlitzSafe device is still more overkill than I'm looking for. It looks like it has a iPod dock interface which I'm sure adds to the cost. All I really want is a way to enable the CD Changer inputs so I can wire in a headphone plug either directly or ...

I have an SC-816 and really woudl like to wire up a line input to the CD changer interface.

I understand that this $$$ USASpec device would provide an iPod interface and transport controls, but I really don't care about such frills -- I just want a clean line-in preferably without the tapping into ...