02 sesor help!!!

[cre]

I'll just copy the answer from that thread:

Originally Posted by thradil

On my 91 7mgte 5spd

U have 3 wires blue, 2 solid blk (o2 sen)

looking at o2 side u have
blue wire (center top)
2 solid blk wires (bottom Rt and Left)


On ya wire harness side its 3 wires.

white or yellow (mines is faded)
solid blk wire
blk w/red strip wire


Order all 6 wires go in.

o2 blue wire=========harness white or yellow wire
o2 bottom left wire====harness blk W/red strip
o2 bottom Rt wire====harness solid blk

I went out in da rain 4 u, now i gota take a shower good luck!!!

If your O2 sensor has only one wire it's likely to be an N/A O2 sensor... they don't have an internal heater which is present in the GTE's O2 sensor.

The harness connector comes out of the same bundle as the CPS and oil pressure sender, just follow it along and you'll find it.