Recently changed ,Engine , tranny , engine harness and computer . Put a d16y8 into a 96 civic which had a d16y7 engine originally . Also put a turbo Cat and new exhaust ,removed old straight pipe , Now cant seem to find wire to Secondary 02 sensor???? anyone have a pinout of this secondary oxygen sensor ??? or know where it runs , what clips look like for it ??? Foud a few clips on engine not plugged in maybe one is for this . Meanwhile plugged up in car but no connection inside car ??? Can i get this part from dealer ???

 

Its a grey 4 pin clip (just like the primary O2) coming down out of a hole above the shifter. Its actually on the cabin harness and hangs between the shifter and back of the cat

 

yaa here s the thing , took this all apart already . i see where the hole is to go to 02 sensor but no wire there ??? i almost looks like it was nt wired to there , still had rubber insert where hole is ?? where can i find it coming from engine ???Do they sell an extention that i can run right to the cat ???