This Slightly was covered in another thread but not clear. diagrams from maintenance manual doesnt state these colors or if they do i was reading it wrong
https://my350z.com/forum/maintenance...or-wiring.html

Bank 1 sensor 2 (Green connector ripped off)
2003/manual transmission

harness wire colors:
yellow/black
red/black
blue/black
pink/blue

connecting to bosch o2
2 white
grey
black

 

I clicked through the link here, and it looks like you're soldering it?