1. 

   Rick89GTS Well-Known Member Moderator Donated!

   Anyone remember how to wire the single wire O2 sensor for use with the 4-wire one in my 88 AllTrac? I'm pretty sure the 1-wire O2 sensor lead goes to the upper left female in the car harness plug connector, but can't find the old thread anymore.
   

    

   Rick89GTS, Mar 9, 2013

   #1
2. 

   fernandocelica Well-Known Member Donated!

   That is correct mine also single was connected to the upper left side and to yellow male connector.

    

   fernandocelica, Mar 10, 2013

   #2
3. 

   Rick89GTS Well-Known Member Moderator Donated!

   Cool, thanks for confirming

    

   Rick89GTS, Mar 10, 2013

   #3

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