Hello please could some one give me some pointers to wiring my reversing camera i just brought it's a number plate hold camera witch has four leads coming from the back one lead has plug for power the other lead is video rca and the other one is image mirroring non swicthable and the other one is distance mark and i got a purple and white lead coming from the back of my kenwood dnx520 headunit. all i can think of is wiring the power lead to the reversing lights power and earth and purple and white lead to either the image mirroring non swithing or the distance mark lead if someone could shed some light on what they did when they wired there's thanks