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Digi2 o2 sensor woes

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  • Digi2 o2 sensor woes

    So I am not the best yet with reading wiring diagrams, but the situation I have is...

    The MK1 has a MK2 digifant 2 loom in it with all of the connections to the devices being spliced on at the time the engine went in.

    I was going to install a wideband o2 gauge yesterday and simply could not get the right feeds (earth, 12v+, signal) from the wiring harness that led to the existing o2 sensor. More and more invetigation leads to me being a bit bewildered, so I decided best to trace back to the splice and start again.

    What I found were these...

    Brown/Black wire, Red/White wire and what looks to be a black thicker cable.



    So headed to the trusty Bentley and found the diagram.



    It says I should have a Brown/Black wire, Red/White wire and a Green signal wire.



    In this diagram it states there is a wire that intersects from the block to the Green signal wire, but I am really confused about this. From the diagram, is it simply spliced to it? Is there something going on that I am missing?

    Any advice appreciated.

  • #2
    Ok, so the deal is the signal wire is shielded and the earth is connected to the sheath. Learn something every day right!

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