Everything installed and working but for one detail. The cam does not come on automatically when put into reverse. I know the reason why. I did not connect the purple and white wire coming off the 9140 (reverse sensor wire) to the 2010 Scion XB's reverse lamp harness. Where on Earth is this harness?

I need help on this one.

Thanks,
Mike

 

Try this:
http://www.scikotics.com/forums/showthread.php?t=82919