The H/U has the option to manually activate the camera input, but if the camera is powered by the reverse lights, it doesn't work. I did not want to have the camera always powered up when the car is on, but installing a switch to power the camera means that I have to turn it on when I shift into reverse, reducing the simplified convenience of having it automatically turn on.
I found my solution.
1. Cut the camera input trigger wire coming from the reverse light wire that runs from the kick panel.
2. Run the power wire for the camera to the front of the car.
3. Splice the H/U en