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Converting from a one wire o2 sensor?

941 views 8 replies 3 participants last post by  DonF. 
#1 ·
Okay I threw a code 21 on my 85 GLHT so I started looking into my options after getting some advice from Naj. I read the thread on converting over to a 3 or 4 wire o2 sensor, seems pretty basic and Naj even provided me with the correct pin outputs to connect to on the PM.
I have a wideband A/F gauge in the car now. Could I tap my "one wire" into the signal wire of that sensor? This would be way easier than running more wires.
 
#5 ·
I was looking at my instructions and saw that green wire was 0-1v. Please excuse my lack of knowledge, I just want to make sure I do this right and don't f' something up. Do I just tap into the green wire somewhere before the controller for the A/F gauge?
 
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