Sorry brother, I have a seat of lights apart right know but someone has re-wired the hole thing. Its a mess, if I can figure it out I'll send you an PM.
Try downloading the 370Z wire diagram, this is a post that has some info:
Ecm/bcm wiring diagram with pics (tech sheet)
http://www.liquidc4.net/files/DEI_2009_Nissan_370Z.pdf