up strem o2 sensor

GIGI

New member
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
 

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

sensors come from jeep not aftermarket
 
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