Most machines with the advance display are pre wired for a camera. The plug is located behind the driver, right side pillar. Black, orange, blue and white wires. Blue is coax center, white is ground. While I'll eventually install a camera, I wanted a gaming console when waiting for trucks to show up. Good luck on your DIY project.
Why is Mario playing backwards?
1st thing I would do is congratulate you on figuring that out. The 2nd thing I would do is fire you for screwing around on the job. LOL