The Pontiac Grand Prix goes by the GM Factory Wire Harness Color Codes. http://www.installdr.com/harnesses/GM-Wiring.pdf
yes you can
The model of GM ? Why ? The wire is connected @ the glass element typically , it could be traced back to the front .
there is no ground wire it is grounded through the case
alternator
I think its the purple wire coming from the Oxygen sensor!
I put an aftermarket system in my intrigue, and don't recall a "stereo accessory wire". Do you mean the power antenna wire? Or is this a wire on your aftermarket box? Here's a GM diagram: http://www.installdr.com/Harnesses/GM-Wiring.pdf
Listed on the drivers door post.
Where is the blend door actuator on a 1998 Sonoma
galaxy grey
LMC Truck or directly from GM online. GM online tends to be a little cheaper believe it or not. You can also get one at the junkyard.
yes a 71 72 corvette color