Which wire on the O2 sensor is the signal wire??

[Dasfinc]

Like the title says, Im doing my gauges as we speak and I am trying to do my A/F gauge but I need to know what the color(s) of the signal wire are. I need any help I can get, Its getting cold and I wanna finsh ASAP, TIA!

 

[LeddZepp8687]

Dont worry, I found it, Now Ill be coming over to finish up the job...