I don't recall specifics but when I asked my VW mechanic about a hanging
wire he said it was to diagnose something. He would plug in a test device to
do this. So long ago I've forgotten. Why not go to a VW dealer and ask them
up close.

William

> Sorry, it's an '87 . . .  The oxygen sensor seems to be connected okay,
though
> it looks as if I should disconnect it and check the wires.  They may be
rubbing
> against the body . . .
>
> Marc