up strem o2 sensor

[GIGI]

I have a 2002 Jeep Wrangler 4.0 5 speed which I need some help on the color code on the wiring harness.
which wire from the o2 to the wiring harness.
thanks
GiGI

 

[k-2]

the sensors plug in SO-
why are you needing color codes?
Is there a reason to replace sensor?

sensors come from jeep not aftermarket

 

[harleybeachbum]

the plug came off the harness and need the colors for the harness plug.
thanks

 

[TerryMason]

Take a look at some of the attachments in my thread here:
https://www.jeepz.com/forum/cj-yj-tj-jk/46130-o2-sensor-question.html

If you can't figure it out, I'd suggest buying a factory service manual off ebay for a couple of bucks