O2 Wiring Harness Question
I'm currently re-doing it. I've cut off the pigtail and soldered it onto new wires and run them up towards the PCM. I've opened the heat-wrapped wire looming in order to cut the old wires, and solder the new wires in.
Here is the problem: The pigtail had 4 wires (Black, Beige, Purple, and RED). In the wire looming near the PCM there is no RED wire.
What gives? Where is it? Could it be a different color? Is it even important?
Thank you!

