Lamba probe (which wire is the signal wire)

  1. #1
    As above i need to know which of the four wires from the lamba probe on a mark two are.

    need to know which one is the signal wire

    Wires on the probe:

    2x White wires
    1x Black wire
    1x Grey wire

    Which one?
  2. #2
    mmmmmmmmmmmmmmmmmmmmmmmm
  3. #3
    multimeter would it not be of use to you? or are all the wires used the same amps.

    either that or a wiring diagram from somewhere should help
  4. #4
    two white wire are your heated
    grey is your dedicated earth
    black is your signal
  5. #5
    thanks graham if it works you can have the country i live in
  6. #6
    lol ok let me know if works out