i recently purchased an a/f gaugeto fill a blank in my pod until i get an intake gauge. a wiring diagrm for an 02 wrx refered me to this diagram which i rewrote into here.

my battery is disconnected and the harness disconected... id really like to get this gauge in tonight so i dont have to do this all over another day and still have a blank spot on the gauge...

any help would be appreciated...

Front oxygen (A/F) sensor
Sensor (+) D19 W 2.8 3.2 2.8 3.2 Positive voltage to sensor's (+) terminal
Sensor () D29 B 2.4 2.7 2.4 2.7 Positive voltage to sensor's () terminal
which one is it? positive or negative?

and i dont think its one of theese...
Shield D18 SB 0 0
Heater 1 D4 W 0 1.0 0 1.0
Heater 2 D5 W 0 1.0 0 1.0


thanks,
ryan