Ground pin out for 06E905115 coil

[b6130bui]

Hi all
Merry xmas.
Do anybody knows which one is the ground pin of the 06E905115 coil ?

I thinking to try add another ground to my cyl1 coil.
Thanks in advance.

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[sn809]

No idea but I would atleast change the harness/repair it if capable.
The purple/yellow wire-usually canbus info is frayed pretty badly.