I received my AutoPark 2000 just today. The installation is very simple but I have a little concern. I decided to put the autopark under spare tire bracket which is located under the bumper. Then I can run the wire inside the bumper up until it reaches either left or right of the rear lenses. My concern is I do not know where and how to tap the wire of the reverse light . I NEED YOUR SUGGESTION AND EXPERTISE. THANK YOU IN ADVANCE.