Originally Posted by stryfox
Make sure the amp wire is only powered when the car is on. There is one in the factory harness just the color is usually wrong on the instructions for the adapter kit.
I think it was pink?
if not you will have a dead battery.
I received my harness from crutchfield and yes, it was the pink wire. If that wasn't connected the radio wouldn't work.
Now that took some experimenting to figure out.

17 and the first headunit I installed ever - thank goodness I didn't break anything!