1993 one wire O2 sensor question
Thread Starter
On The Tree
Joined: Feb 2011
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1993 one wire O2 sensor question My wire harness has been chopped and abused, does anyone know what color wires I need for each O2 sensor? And also as far as left/right on my data log, can someone tell me which is passenger/driver side? Left/right confuses me. Is there a diagram out there that might help me?
TECH Fanatic
Joined: Jun 2007
Posts: 1,255
Likes: 11
From: centerville, ohio
It shows purple for the RH and a purple with a white tracer for the left. I would think the RT hand is the pass side and the left is the driver.
http://www.lt1swap.com/pictures/93lt1_2.jpg
http://www.lt1swap.com/pictures/93lt1_2.jpg
narrowband O2 sensors all work the same, there is just one single wire that needs to connect to the computer. it doesnt matter if the sensor has 2, 3, or 4 wires on it... Only 1 of them is required for it to function. the other wires are either redundant grounds, or heater circuits (they help it warm up). But there is ALWAYS just ONE single signal wire, you can take or leave the rest of them.
Look in the FSM to see which wire it is at the ECU, check the color of the wire, then connect it to any Narrowband signal wire you want. Sometimes I goto pep boys and just start looking through boxes until I find all their 1 wire O2 sensors, then price check them all, and buy the cheapest one, often $12 or such. And I will use that cheap 1-wire sensor in any engine I want, sometimes 4 cylinder, sometimes 8, whatever.
Look in the FSM to see which wire it is at the ECU, check the color of the wire, then connect it to any Narrowband signal wire you want. Sometimes I goto pep boys and just start looking through boxes until I find all their 1 wire O2 sensors, then price check them all, and buy the cheapest one, often $12 or such. And I will use that cheap 1-wire sensor in any engine I want, sometimes 4 cylinder, sometimes 8, whatever.
Thread Starter
On The Tree
Joined: Feb 2011
Posts: 132
Likes: 0
It shows purple for the RH and a purple with a white tracer for the left. I would think the RT hand is the pass side and the left is the driver.
http://www.lt1swap.com/pictures/93lt1_2.jpg
http://www.lt1swap.com/pictures/93lt1_2.jpg
Thread Starter
On The Tree
Joined: Feb 2011
Posts: 132
Likes: 0
It shows purple for the RH and a purple with a white tracer for the left. I would think the RT hand is the pass side and the left is the driver.
http://www.lt1swap.com/pictures/93lt1_2.jpg
http://www.lt1swap.com/pictures/93lt1_2.jpg
TECH Fanatic
Joined: Jun 2007
Posts: 1,255
Likes: 11
From: centerville, ohio
The diagram looks to show connecter D on the ECM which is the brown one. Pin 22 http://lt1swap.com/pictures/93lt1_1.jpg
Last edited by lt1-xjs; May 13, 2016 at 05:50 PM.
