looking for a wire location

[austinibew145]

I am looking to add an air fule mix gage to my o2 sensor the wire is purple. I wanted to know if I could hook it up under the dash and what wire it would be on the computer. I would also like a good link to see wire diagrams.

 

[austinibew145]

http://www.gnttype.org/techarea/images/wiring_images/ecm_turbo.jpg

 

[austinibew145]

used a circut tracer and found it (d7)