Air Fuel Ratio Gauge
 

Can someone tell which wires are which on the primary O2 sensor. It has four wires. 2 black, 1 white, 1 green. Im pretty sure the Green wire is the signal wire I need to splice into....

I have 00 Si.


I have to sliced into the green wire right now and its wired up properly. Is it just possible that the O2 sensor has gone bad. I have run 110 octane a few times. I took out the secondary a lont time ago since I dont have a cat. I still have it can I just swap O2 sensors?

Thansk.

Re: Air Fuel Ratio Gauge (nd4sped)
 

look it up in a haynes manual but in most wiring schemes Black is positive, white is negative and green is ground. (this may not translate into automobiles wiring)

Re: Air Fuel Ratio Gauge (Grimm)
 

I have gone through my Haynes manual and have come up empty handed. Thanks for answering the wuestion btw.

Re: Air Fuel Ratio Gauge (nd4sped)
 

hey yea sorry man... You might want to try the manufacturer for the gauge?

Re: Air Fuel Ratio Gauge (nd4sped)
 

it should be the white wire. its the one with the ground shielding on it.

Re: Air Fuel Ratio Gauge (Grimm)
 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Grimm &raquo;</TD></TR><TR><TD CLASS="quote">hey yea sorry man... You might want to try the manufacturer for the gauge? </TD></TR></TABLE>

I just sent Autometer a message on thier site. hopefully they will get back at me. I have done this wiring before on my 98 LX (RIP). But for some reason or another Im just having one of those problems ya know. I even dug through my Honda Service Manual and didnt see it anywhere.

it was deffiantly the white wire on my car. but then again, iits a 96

Re: Air Fuel Ratio Gauge (nd4sped)
 

if you look at the engine harness side plug, there is a white wire with shielding on it. it is a layer of wore around the other wire. the other way to tell is to put a volt meter on it and see which one fluctuates between .1 and .9 volts. i am 99.9% sure it is the white wire on the engine harness side. not the 02 sensor side. peel the outer covering off of the harness and look at it. you will see the difference in the wiring.

Re: Air Fuel Ratio Gauge (nd4sped)
 

Should be the white wire... Thats what I have tapped into for A/F gauge in my car (00 si)...been working properly so far... Good luck.. !

Re: Air Fuel Ratio Gauge (00siALLmotor)
 

i have one also u have to tap the white wire on the o2 sensor to get the rite reading i have a 99 ex cpe

Re: Air Fuel Ratio Gauge (vtekstorm)
 

White

Re: Air Fuel Ratio Gauge (-TRINiTRON-)
 

Thats the white wire after the connector. Well Ill get on it tomarrow. I didnt get to finish. I also took my gauge back and swapped it out just in case I damaged it because of wiring it wrong. I went to a demolition derby tonight so I didnt finish the work. Thanks for all the help. Ill let you guys know how it goes tomarrow.