Audio Systems: Stock wire colors in a 91 fors taurus, ford taurus, wire colors

Question
I just bought a head unit for my 1991 Ford Taurus, obviously aftermarket, and each wire has the name of what its for on them. But coming from the car, there is quite a few wires that I have no clue what they do. And they're quite different from what I've seen in other cars.  There's a red, black, orange with a black stripe, blue with a red stripe, green with a yellow stripe, and a yellow with a black stripe.  There are 8 other wires, but those go to the speakers, that much I know. Please help me out so I can finally get this thing installed....

Answer
Joshua,
With an after market stereo the only two wires in the factory harness that you will need are the 12 hot at all times(for station memory) and a wire that is switched to 12 volts with the key on. To quickly locate these two wires you should use a 12 volt test lamp and find the wire with 12 volts on it with the key off, and then find the wire that goes to 12 volts with the key on.

TOM,
T&D ELECTRONICS
tdeser@zoominternet.net