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View Full Version : A/F gauge install problems



zuku26
04-16-2009, 08:20 PM
I just installed my Stewart warner narrow band A/F gauge like the How to says. and the light is just staying green all the way without moving. just the last green light stays on??
I ran the
Source wire to the pink and blue wire at the 1st O2 sensor
Ground to a bolt that looks to be holding a relay just in front of the fuse box located by the drivers door
12v power to the black with white stripe wire located at the steering colomn
What did I do wrong here??
Or is the car actually running that rich the whole time??

NRRfrogmanP5
04-16-2009, 08:27 PM
did u try driving it yet?

zuku26
04-16-2009, 08:44 PM
Yeah Matt,
I drove around the block a few times, no change. I went into boost, ect no change???
I can't figure it out. I'm guessing it was the Ground or 12v source, I'd just have no power right?

Congrats on today's game by the way.

NRRfrogmanP5
04-16-2009, 08:55 PM
it could be the ground maybe cause if its powered it would light up but maybe if the ground is bad it wont be able to properly function. shoot a pm to bryan or wilson. bryan did mine and well if u seen wilsons car lately i think he would know about this..

and yeah thanks now lets hope the other team is red can pull out a victory tonite

haveahotcarl
04-16-2009, 09:00 PM
I think your signal wire is not getting any voltage from the sensor. I tested an AutoMeter narrow band from my Festiva by just hooking it up to a power source without the signal wire connected to anything. I got the same thing you are, last green light indicating rich was lit. I would check the splice you made into the wire to see if it is really working or if it is the right wire you spliced into. Hope that helps.

zuku26
04-16-2009, 10:28 PM
Thanks for the help guys!!
I removed the Source wire from the gauge itself, then turned on the car to see what it read. It stayed dead center. Then I shut the car down and reconnected that wire to the gauge, and it started working!!!

NRRfrogmanP5
04-17-2009, 07:10 AM
yay!