I've successfully set up an aux input on my 91 camaro, but now I need one more part. I'm inputing the signal from the radio board before it hits the amp. (which works much better than cassette IMHO) Now instead of using a physical switch, I've seen people use the 3.5mm jacks that are closed when nothing is plugged in, and open when you plug in a source. Where can I get one of these? I'm really hoping radio shack has them, and if so, can I get an item #?

Thanks,
Joe

 

Radio Shack #274-246 for $2.49. Can you post how you performed your setup on the radio board. I have used this jack but I have to have a casette playing and I would rather have a direct input.