Air/Fuel install, HELP!!

Steeda04GT · Dec 3, 2005

I am putting in an a/f gauge in right now and dont know where to tap the wire at for the O2 in the ECU. If anyone out there knows from experience which pin# or color coded wire in the ECU is or has a ECU wiring diagram please let me know. Ive already got a good 12V and ground going, just stuck on where to tap into. If you can please let me know something ASAP that would be awesome so I can get this guy working right away. Thanks guys....

scott

2004 Mustang GT

1low03gt · Dec 3, 2005

Steeda04GT said:
I am putting in an a/f gauge in right now and dont know where to tap the wire at for the O2 in the ECU. If anyone out there knows from experience which pin# or color coded wire in the ECU is or has a ECU wiring diagram please let me know. Ive already got a good 12V and ground going, just stuck on where to tap into. If you can please let me know something ASAP that would be awesome so I can get this guy working right away. Thanks guys....

scott

2004 Mustang GT

Just use this simple instrudtions,and you can't go wrong.Got this from autometers webpage...

There are two options for this hookup as well, again it's the left or right sensors. Locate the PCM, which is above or behind the passenger side kick panel. Look for the 104-pin connector. For the left sensor you will go to pin 87 which is a red wire with a black stripe. For the right sensor you will go to pin 60 which is a gray wire with a light blue stripe.

Steeda04GT · Dec 3, 2005

hey thank! thats all I needed. its working great now. I love it. later....

DBMSTNG · Dec 4, 2005

Steeda04GT said:
hey thank! thats all I needed. its working great now. I love it. later....

you know it's not accurate, right?

white99gt · Dec 4, 2005

Steeda04GT said:
hey thank! thats all I needed. its working great now. I love it. later....

Its worthless its just a light show..

For a real a/f gauge get a innovate motorsports setup or dynojet brand..

mcmmotorsports · Dec 4, 2005

Under full throttle, it will be more accurate than what most people think. I plan on adding the Innovate Motorsports LM-1 Controller later on and can use my Autometer A/F gauge with it. Right now, I got it just as a warning in the event I run lean under WOT.

SLY GT · Dec 4, 2005

narrow band is not accurate enough for tuning but can be used to notice a change.Therfore, it is more usefull than for show but understand the limits.

mcmmotorsports · Dec 4, 2005

SLY GT said:
narrow band is not accurate enough for tuning but can be used to notice a change.Therfore, it is more usefull than for show but understand the limits.

Absolutely, I know its limits, have no intention on tuning with it and only need it for a little piece of mind.

Steeda04GT · Dec 4, 2005

yeah im on the same page with ya mcm! its roughly at $50-60 gauge that i got for free so no complaints here. i understand its a nice little light show dance but does serve some detetion purposes....thanks for help and input guys

mcmmotorsports · Dec 4, 2005

Here are mine, installed today:

SLY GT · Dec 4, 2005

mcmmotorsports said:
Here are mine, installed today:

fuel pressure guage is a must if you SC. much more important than a narrow band AF guage. Do you have one?

mcmmotorsports · Dec 5, 2005

SLY GT said:
fuel pressure guage is a must if you SC. much more important than a narrow band AF guage. Do you have one?

Actually I decided against the Fuel Pressure gauge. Wideband A/F is better than FP and that is why I did what I did. I will have the wideband controller soon enough.

Give Me TP · Dec 5, 2005

mcmmotorsports said:
Under full throttle, it will be more accurate than what most people think. I plan on adding the Innovate Motorsports LM-1 Controller later on and can use my Autometer A/F gauge with it. Right now, I got it just as a warning in the event I run lean under WOT.

And what exact A/F range is "lean" as displayed on a AutoMeter narrowband A/F display? How are they calibrated, if at all? At what A/F ratio does it cross from "Stoich" to "Lean"?

1low03gt · Dec 5, 2005

Steeda04GT said:
hey thank! thats all I needed. its working great now. I love it. later....

No prob.

Steeda04GT · Dec 5, 2005

None the less its cool to watch! lol My oil press. comes in on wed so ill post up pics when i get that one in.

Air/Fuel install, HELP!!

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