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Old 03-05-2006, 05:50 PM   #1
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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.
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Old 03-05-2006, 07:16 PM   #2
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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, 07:18 PM   #3
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Usually purple.
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