Help needed with Fuel - Air Gauge [Archive] - GrandAmGT.com Forum

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dagenais
06-25-2008, 04:37 PM
Installed my gauges (((Auto Meter Phantom 7175))) but having issues with my Fuel-Air Mixture Gauge. Its all wired but the single wire that some say should go to the O2 Sensor, Some say a wire in the harness and some say directly to the computer????

So can anyone help with this, if a wire (color and location)???

Also what should be the Oil Pressure Reading on a (((Auto Meter Phantom 7127))) Its about 25-30 then 50 when driving??

boost21
06-25-2008, 05:02 PM
Air/fuel is a wire on the rear 02 if i remember correctly. Get the harness from pfyc, its much easier. I wish i got a wideband because the A/F gauge is a useless light show. Search for the rear mount turbo thread thats pretty current, I remember they were talking about the diff oil pressure readings

dagenais
06-25-2008, 05:05 PM
Makes sence thanks... now dumb question number two - of course it give two options in PFYC for the harness how do I know??? It a 03 Grand AM GT 3.4

boost21
06-25-2008, 05:16 PM
ones for 01 and up the other is for older then 01 iirc, it should say on the site

dagenais
06-25-2008, 05:17 PM
you would think it would? Also where those this plug in? Now Now be nice LOL

Vash6563
06-25-2008, 05:26 PM
You don't need the harness, it's a waste of money (my 2 cents anyway). just get one of those little things from any auto store that lets you tap one wire into another. Oh, and it's the dark purple wire i think, and the plug is in back of the motor almost straight up from where you exhaust is going down, it's a bitch if you've got a STB in the way though, so take it off.