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Master
4,803 Answers
- Posted on Nov 19, 2009
Re: I have a 1998 chevy malibu what wire for the o2...
On the front O2 Sensor, the signal wire s Purple. On the rear O2 Sensor, the signal wire is Purple and White. (You will probably have to look at the wire colors on the main harness side of the O2 Sensor connector, not on the sensor itself.)
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