I had this happen once....turned out it was a fuse - I almost missed it, except that I remembered reading on here, to check closely, because hairline cracks often go un-noticed. Once a new fuse was in, the instruments came back, and all was well.
Fuses are inbetween the firewalls, on the driver's side - rectangular black cover. Latch is towards the firewall facing the front of the car.

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It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so. Robert A. Heinlein


09 Jetta TDI
1985 300D