Travis3265

Im trying to hook my autometer air fuel gauge up to my 96 civic dx. which wire do i tap into for the o2 sensor?

smokey_civic

For the love of processed cheese ..... read the FAQs. I found TWO different links to hooking up an A/F ratio gauge.

smokey_civic

Check it out:
https://www.homemadeturbo.com/forum/...;threadid=3921 Might find out a thing or two.

Travis3265

thanks. ur so nice. :P

SpeedyJAY

...Ummm the wire on the left NO the one on the right!!!

(Btw....O2 sensor has 1 wire...guess which one you tap!!)

smokey_civic

No thanks required. Just read before you ask in that thread. ALOT of super interesting stuff there. Speedjay ..... you dirty, dirty smartass. - Matt

Dr.Boost

Maybe on your car, but not on his.
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Travis3265

well, im still out of luck. i tapped into the white wire on my 02 sensor. air fuel gauge just kinda sits there, it wont even light up, so im thinking maybe the power wasnt done right or the ground for that matter, so thats where i am so far. this kid who did it said he knew what he was doing, but that was totally not the case. ill work on it tomorrow when its light outside. bleh.

smokey_civic

Here's the deal:
Green to - o2 sensor
White to- lighting source (i.e. headlights)
Red to - power
Black to - Ground

As dumb as it sounds the placement of the tap is significant. After the clip for your O2 sensor is where you tap, I believe. This allows it to read the computers reading. You have to warm up your o2 sensor for it to work. When you first start the car, it will just sit there. Drive around a bit, and see if it doesn't respond. Hope I helped something.

Travis3265

that kinda helps. im gonna run my wire to the ecu actually, it seems that more people are doing that. i dont have all the wires you listed though, it goes like this.

Violet - this will go to the ecu
Red - Power
Black - Ground

Ill figure it out. Thanks for everyone who responded with some ideas.