easy access to O2 sensor wire? (Full Version)

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easy access to O2 sensor wire?

  

northey87 -> easy access to O2 sensor wire? (4/25/2008 6:30:32 PM)

Is there a place in the cab I can get to the O2 sensor wire easily? I would like to install an air/fuel ratio gauge and really don't want run wires around and under the truck.

  
RonH -> RE: easy access to O2 sensor wire? (4/25/2008 9:24:33 PM)

I doubt that the 02 sensor circuit comes into the cab.  And which 02 sensor are you wanting to tap?  There are probably 4 of them.

hquick -> RE: easy access to O2 sensor wire? (4/25/2008 10:48:06 PM)

This is how I ran mine.
I didn't want to drill any holes in the firewall so...
Through the kick panel, out through the rubber boot where the door wires run, pop out through the bottom of the rubber boot, and go in between the inner and outer guard and drop it own and under the car o the WBO2 sensor.

shawnvw -> RE: easy access to O2 sensor wire? (4/26/2008 6:49:52 AM)

O2 sensor signal wires will go to your ECM. which is under the hood.

northey87 -> RE: easy access to O2 sensor wire? (4/26/2008 9:36:19 AM)

I only have one O2 sensor, Gm started putting more on in '96. Where is the ECM in the engine compartment and what color wire should I be looking for?

northey87 -> RE: easy access to O2 sensor wire? (4/26/2008 12:21:08 PM)

Found it, I crawled under the truck and followed the wire, and it goes to the ECU that sits behind the glove box in the cab.

jmack91z28 -> RE: easy access to O2 sensor wire? (4/28/2008 10:51:25 AM)

Yea I was about to say, the ecm is behind the glove box, and there is only on o2 sensor.  Are you still needing to know what color wire northey?

northey87 -> RE: easy access to O2 sensor wire? (4/28/2008 11:57:09 AM)

Its purple right? that is what came out of the three wire O2 sensor, red hot, black ground, and purple sensing wire.

jmack91z28 -> RE: easy access to O2 sensor wire? (4/28/2008 1:07:08 PM)

Don't get me to lie to you, when i go home tonight I'll look it up in my haynes manual, but right now I don't know.

northey87 -> RE: easy access to O2 sensor wire? (4/28/2008 1:47:04 PM)

You don't have to lie I was just double checking, the gauge is hooked up and works fine. Everythings good.

  

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