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Originally Posted by Blacdout96
Hey guys, in finally setting up my A/F ratio gauge in my car. been like two months but im finally getting around to it. real quick tho cause im iring it up, anyone know which oxygen sensor it goes to? and what color wire is the sensor signal wire is? these instructions are FTL. thanx.
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It should go to your PRE-CAT oxygen sensor. As others have stated, it's pretty much a light show- it detects feedback mv from 0-1000 (I think) and that's how it figures out if you are lean or rich.