I just installed my a/f gauge in my 96 integra gs-r. After finding this pinout of a OBDIIa ECU http://www.ostermann-net.de/CRX/ECU_pinouts_p30_p28.pdfI was finally able to determine which wire I needed to connect to. You must connect the signal wire from the a/f gauge to the Orange/Black striped wire in connector A pin 6 (A6 in diagram).

 

cool

now that you have done that what are your intentions with that guage?



i wanna know why you want to know that that sensor is doing?

what other mods have you done to warrent this???



Just a pesky tech is all[img]smileys/smiley2.gif[/img]

 

So far I have a full exhaust tanabe racing medaillion w/ a high flow cat. DC sport 4-1 header AEM tru time pulleys ACT Clutch with light weight flywheel AEM cold air intake. This gauge was something I have had laying around for a couple of years and just never installed. I am in the process of installing an autometer oil pressure gauge as well.


The whole reason for the earlier post was because of all of the conficting information about the installation of the a/f gauge. At least this way someone with an obd2a p72 will know which wire for sure to connect to.[img]smileys/smiley4.gif[/img]

 

thats awsome and thank you for the intel

I put a A/F ration guage in my gen 1 legend.

WHY some ask?

because when my fuel filter was almost pluged AND i hit 7 pounds of
boost through 4 gears. The lean condition burned a hole right
through #2 piston.



Now with this guage i can see a Hard lean condition under boost and react befor BOOM.