LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

O2 Sensor which side is which? 94 Z

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Old Mar 29, 2007 | 02:01 PM
  #1  
blakeforslund's Avatar
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Question O2 Sensor which side is which? 94 Z

Ok i don't know which side needs to get plugged into which connector? I have pacesetter headers with extensions and there is an o2 plug coming down with the starter wires and an o2 plug coming down with the transmission wires. Which plug goes to drivers side and which one goes to passenger side? It would really help. Thanks!
Old Mar 29, 2007 | 02:10 PM
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Do you have dual cats, otherwise one goes before the cat and one after.JMHO
Old Mar 29, 2007 | 02:19 PM
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Never mind, I see you have a 94, so the 02s both go in front of the, cat, one in each manifold. So if there is no decernable difference in the connections, colors, etc. you will have to await someone else. You migh check shbox.com maybe he has a pic of that wire. JMHO
Old Mar 29, 2007 | 04:38 PM
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The one bundled with the starter wires goes to the passenger side O2 sensor.

And yes, Shoebox has it covered:

http://shbox.com/1/harness.htm
Old Mar 29, 2007 | 08:19 PM
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the side with cylinder #1 is bank 1(left side on these)
Old Mar 30, 2007 | 06:49 AM
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So Starter side goes to passener side. Which side does the other harness come down on then the passenger or drivers. It seems tight when i come down on the drivers side.
Old Mar 30, 2007 | 04:07 PM
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Originally Posted by blakeforslund
So Starter side goes to passener side. Which side does the other harness come down on then the passenger or drivers. It seems tight when i come down on the drivers side.
I believe it came down on the driv ers side, IIRC, it breaks out of the harness going towards the trans
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