Hi all. new guy. I have looked all over for a repair manaul on the internet for free and can't find one. anyone have any ideas. i have a 04 suburban. what i am trying to do is find the front high single o2 sensor wire at the pcm. not even sure where the pcm is. I think it might be under the big fuse box ubder the hood. thanks
HI, Welcome to the site.
Look online under your local library, most library websites have Chilton Manuals on them.
Look under esources.
I was able to get it online threw my library. thanks for you help