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View Full Version : A/f gauge hookup


gmalero2000
05-23-2010, 10:53 PM
can anyoen tell em where i need to hook up the A/f ratio gauge? and also thinking of putting and oil temp gauge how can i go about hooking these up? im not used to putting gauges on these cars as im used to carbed engines any help/ pictures would be GREAT :yahoo:

heineck
05-23-2010, 10:55 PM
is it narrowband or wideband? does it come with an o2 sensor?

gmalero2000
05-23-2010, 11:06 PM
its narrowband equus gauge

clutch1
05-23-2010, 11:16 PM
probably just tap into the signal wire on one of the O2 sensors... purple wire if I remember right.

Oil temp.. I'd assume they make "T" adapters to turn the say.. oil pressure outlet into two holes.

gmalero2000
05-23-2010, 11:20 PM
ok thank you guys where is the o2 sensor in the engine any major landmarks that i can notice?

clutch1
05-23-2010, 11:27 PM
On the exhaust manifolds, usually one on each manifold very close to each head. And possibly one right before the cat on the downpipe.

gmalero2000
05-23-2010, 11:28 PM
can i tap into just one? or do i need tot ap into all?

heineck
05-23-2010, 11:54 PM
just the purple wire

gmalero2000
05-24-2010, 12:24 AM
then i need to ground it

heineck
05-24-2010, 12:33 AM
on my last afr it had a constant, switched, ground and signal. so yea.

wrestlingandrunning
05-24-2010, 01:00 AM
Here's another way to hook up your nb a/f

http://www.pfyc.com/pc/PN3010/ALGAU/Air-Fuel+Gauge+Installation+Pigtail.html

gmalero2000
05-24-2010, 11:05 AM
will that work on my alero?

wrestlingandrunning
05-24-2010, 11:35 AM
Yes, grand am and alero are basically the same vehicle in a lot of ways.

Redog
05-24-2010, 11:43 PM
kinda Under the coil pack ;)

TheThickster
05-30-2010, 02:12 AM
narrowbands are wortless unless you like a light show at idle.

Redog
05-31-2010, 10:44 PM
^^ True that.

I had a narrowband but I do not have a wide band right now.


I only ordered it 2 months ago and it's still backordered :cry:

wrestlingandrunning
06-01-2010, 01:29 AM
^^ True that.

I had a narrowband but I do not have a wide band right now.


I only ordered it 2 months ago and it's still backordered :cry:

Who did you order your wideband from?