purchased a tailgate for 5th wheel. left the reverse camera back in original tailgate. bought the wiring harness fc3z-14a412-4a as the parts guy said i needed. bought a aftermarket camera. the color of the wires in the harness are violet-grey, white green, brown violet, black, black, grey violet. Cannot seem to find anywhere a wiring diagram to tell me what each are. DOES ANYONE KNOW OR HAVE A DIAGRAM. I have a f250 super duty 2015