Unveiling the Illuminating Hue What Color is a Backup Light?

Orange/Yellow IS hot, key on. Red/Black run to the Transaxle Range Switch. When placed in reverse, Transaxle Range Switch sends the circuit to ground, ... My backup camera wired up as soup described. I picked up power for the camera from light green wire attached to the backup lamp. Here's the wiring diagram. Should be blue with a red stripe for hot and white with a black stripe for ground. Yellow is industry standard right turn, green is left turn. The problem is that there are no other wires under the bed, so I'll have to find it under the cab. It's a 16 gauge grey wire that runs from the switch to the underhood fuse block. Pin B11 on connector C2. Goes to two fuses: VEH B/U 15A fuse, and TRL B/U 10A The reverse light wire is green with a black stripe. Black is the color of the ground around rear light area. Green is hot reverse, and I think ground was black, but I'm not positive on that. Ground is not yellow, blue, green, or brown. The wire for reverse is light green. I found a switch from my old auto trans harness that is tucked away up there with two light green wires on it. The wires at the socket should be white with a green tracer. As far as checking, let me know exactly what is happening. I'm trying to attach a backup camera to my 2006 Impala. What wires in the attached picture are positive and ground? Attached is a picture of the ...