Why not try the parallel loom that Trups does? Works on mine.
OK it means a normal filament bulb hanging about doing nothing constructive, but as we do not need to put shillings in the meter . . .
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Ray at Wigan Pier
2014 A8L D4 4.0TFSI Gold (Sticker says "Beige") Can't leave you in a black smoke cloud anymore..
In progress, Nothing left to do.
Gone 2004 A8 D3 3.0 TDI. Ebony Pearl Black (with little bits of other colours and glitter)