The real PITA is when you have a subwoofer, 4 Torx bolts (3 small/1 large), remove a panel and 2 14mm bolts. Then you can open the felt to get at the connector through the Subwoofer mount. I still like the outcome. Glad I waited instead of buying the Raxiome version.
You must realize that you are going to have to pay the "Corvette Tax" of you get a C7. I learned this from owning a C6. Most anything that costs $250 on a Mustang, will cost $500 on a Vette. As it not being able to be a daily driver, My C6 was.
Although I wouldn't trade my GY in on a new...
Be careful, the members on here get really pissy about this. Especially when you "appear" to get after a paying vendor. Some will even go look into your past posts to dish you when they read the post out of context.
Jam them in. Make sure you have power to power/Ground to ground and not reversed. I can't remember the colors off the top of my head. red is normally power Black/Brown is ground.
You are looking at the diagram as if you were standing in front of your car.
I drew up a diagram, but with the ground I chose - It powered off in reverse.
Look at the thread on Page 2, the diagram is there plus the corrected version.