This time I'll get it right. The one relevant for th Si is at
http://www.hparts.com/pdf/24350.pdf

Randolph wrote:
>
> http://tinyurl.com/y1fa seems to be better, does not describe a bunch of
> things you don't need to do.
>
> Spam Trap Account wrote:
> >
> > I have something I want to plug into the back side of the stock radio/cd
> > audio
> > unit to enable me to use my PDA for audio, but for the life of me I cannot
> > figure out how to get behind the radio to plug it in. Any site out there
> > that
> > details this? Thanks.