Need some audio cable wiring help

[FONT=Arial]I’m installing an adapter in my car that adds an audio input to the stock Mazda stereo, and I want to add a 3.5mm jack in the center console for my iPod.[/FONT]
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[FONT=Arial]I took a cable that had male 3.5mm plugs on both ends and cut the plug off of one end. Inside there were black and red wires, as well as some loose wire in the cable jacket which I assume is the ground wire.[/FONT]
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[FONT=Arial]The scan below is the back of the box for the jacks that I bought, with one of the jacks below it. My guess is that I’d solder the loose (ground?) wire to #1, and the red and black wires to #2 and #3. Does that seem right to you? No idea which color would need to go with which jack, but it won’t bother me much if the stereo is reversed.[/FONT]

  1. In a stereo headphone jack or plug:

the tip section is left channel,
the middle section is right channel,
the last section is ground.

You are correct that the loose wire bundle is the ground.

To see which of the black and red wires is your left channel, refer back to the piece of plug that you cut off.

  1. That pin configuration diagram confuses the heck out of me, but I guess you can assume that pin 3 is left, pin 2 is right, and pin 1 is ground.

Thanks much, Roger!