850 non turbo, wires to Oxygen Sensor

Discussion in 'Volvo 850' started by chart7777, Jun 21, 2007.

  1. chart7777

    chart7777 Guest

    I am needing to know which of the wires going from the harness to the
    Oxygen Sensor and should have no continuity. There are four wires. Is
    it the green with black stripe? (a friend and I have tested and are
    not convinced).

    And is there a schematic of the wires anywhere?

    95 Volvo 850, non turbo, manual transmission, DOHC, Canada
    chart7777, Jun 21, 2007
  2. chart7777

    James Sweet Guest

    One wire will be the signal, one will be ground, and two will go to the
    heater. Usually the heater wires are white, signal is either black or green,
    and ground is black but it varies.
    James Sweet, Jun 21, 2007
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