my voilet wire came lose can any tell me where it goes when i got it i had it put on but now i rather do it my self i look it up on the net all it says it goes to the pcm what color is the wire and it where it goes.
i have a 99 civic si b16 help i want it workin again

 

it connects to the green wire on the o2 sensor

 

you wanna put it on the o2 before the cat right