I used the red wire attached to the RCA jack cable to power my backup cam from the head unit camera power source. I just grounded the camera at it's mount. I only needed to run the one RCA cable from front to back.

__________________

• 2004 E53 X5 3.0 ZSP (4/04 build date) Jet Black exterior/Sand Beige interior
• 2002 E46 325i ZPP (2/02 build date) Alpine White exterior/Hell Beige interior

Digital Competition Systems
The older I get... The faster I was...
No Fear