[quote=spdrun]If you have a CD changer, you can inject audio from a 3.5mm jack directly into the cable from the radio to changer. Figure out what the pinouts are, make a box that switches between the 3.5 mm jack and CD input.
That’s how you connect a music player — works much better than a cassette adapter.[/quote]
Okay, I’ll have to get the schematic of the back of my car’s Lexus Sound System online. If there is a way to do this, I’m sure those boxes exist somewhere. Progressive did some research for me also and couldn’t find a way, either, without possibly ripping out the (burl) dash and installing funky-looking aftermarket crap in there with a bright blue readout … yikes!
I’m no electronic guru. Could this possibly be the box that you’re talking about, spd? I found it on e-bay and put it on my “watch list”: