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Discussion Starter #1 (Edited)
air fuel ratio gauge , DONE!

if you have a zetec the sensor signal wire is the black wire coming off the o2 sensor.
 

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Discussion Starter #2
bump
 

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if anyone is interested theres five wires to hook up for the gauge. two power wires,and two grounds, and a signal sensor wire. if you splice into the black wire between the o2 sensor and the o2 connector , this is the sensor signal wire. i hope this helps anybody whos interested.
 
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