i am in the process of installint an apexi auto timer n/a or turbo....

i wanted to wire up the a/f in order to do so i need to get the ground from the ecu harness and the o2 sensor wire from the ecu harness...i know the rest already

diagrams or pics or links of any sorts will be greatly appreciated thanks

 

ttt

 

Here is the answer to your question:

Courtesy of Katman...

 

i seen this when i was searching...but i don't recognize which pin is ground and which is 02 sensor...sorry to sound like an idiot...thanks for the info.

 

i know pg1 is ground from the ecu...that covers on of the two i am looking for

 

Well on the '01 P73 you are going to have primary and secondary O2 sensors. Which one are you needing to tie your auto timer into? I have never hooked one of these up myself.. Looking @ this diagram I have came up with the following:

A8 - Second O2 Sensor Heater Control (SO2SHTC)
A23 - Secondary Heated O2,sensor 2 (SHO2S)

B2 - Power Ground (PG1)

C1 - Primary O2 Sensor Heater Control (PO2SHTC)
C16 - Primary Heated O2, sensor 1 (PHO2S)

Colors are indicated in the picture below.... Courtesy of Katman of course!!!

These are for the body harness of an OBD-IIb Integra. If you are running a jumper to your OBD-I ecu you can splice into the wires on your jumper harness and avoid splicing/cutting your chassis harness! That is the way I would go if I could.... Hope this helps some more...

http://technet.ff-squad.com/wiring.obd2b.htm