To the guy who put it in the 86 Fiero-
I bought a newer 6-disc in-dash changer that I'm trying to put in my 97 Grand Prix. The thing is I can't get the radio to turn on, since the class II radios lack a switched power wire in their harness. I hooked up the power and ground, and I can load discs and use the clock, put it won't turn on. Does the data wire supply some sort of ignition on signal?
How did you hook this up?