can someone tell me where the Oxygen sensor connects to the ecm
my oxygen sensor wire lookes like it was cut and i dont know where it goes.
I Have an 88 firebird with a 2.8 v6

 

on my 97 3.8 the wires from the O2 sensor have a "hold in place clip" on them which clips onto a little metal bracket that is bolted onto the back of the cylidner head (pretty much stright down) then it looks like the wires head up from there and probably join into the main wiring harness back to the pcm... doubt it is exactly the same on your 88 but maybee this will give you a starting palce to look