How rare is this on a T/A or Firebird, what the hell does it do an mean, ive heard rumors thats its suppose to mean your car had a fancy stereo in it or something like that not sure, and how do you hook it up to an aftermarket stereo http://www.gtasourcepage.com/ModelFe.../UQ7Switch.jpg
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it means the car has a factory amplifier.
how exactly do i hook it up to an aftermarket JVC stereo?
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not sure if it's plug and play or not.search "premium sound" in the car audio section
mantaguy
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That's for the UQ7 Performance Sound System,that switch controls the two rear subs in the sail panels along with the amp that is located under the I/P.I don't know if it's that rare but some people think it is.I do know that the 5.5 round subs are not available anymore for that system.I had to have mine restored by a radio guy and they sound great!!
72vega
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the fiero store used to have them for sale but i just checked, lo and behold they are no more 
im just hoping mine are still in good condition. I will check sometime in the future, I don't have time atm.