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Thread: 4 Wire o2 sensor info.

  1. 07-16-2008, 12:53 AM #1
    Dewayne Guest

    4 Wire o2 sensor info.

    I have found wiring info for the 4 wire o2 sensor for GM cars.

    Chassis ground - Black
    +12vdc - Pink
    Sensor output - Purple
    Sensor ground - Tan

    Hope this helps all you GM owners.
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  2. 08-02-2008, 05:41 AM #2
    COMP Guest
    i'm new,,,this is a heated one ?
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