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O2 sensor and hooking up a A/F ratio gauge

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Old 03-05-2006, 04:50 PM
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Default O2 sensor and hooking up a A/F ratio gauge
Simple question I have...
does anyone know which color wire from the 02 sensor is the signal wire. I looked in my Chilton Manual and cannot figure out which one is the signal wire.
Thanks
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Old 03-05-2006, 06:16 PM
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some one with a 99 FSM hook him up....I tapped into the wire that comes into the PCM
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Old 03-05-2006, 06:18 PM
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