With the key on, check at the points (1-7) I illustrated in the photo of the back of the cluster I posted yesterday. This will be awkward even with the wheel out of your way, but without finding the break with the ohmmeter, you're only option short of swapping parts.
Once you find where the power stops, you can compare the foil side photo to the component side photo to see where the break might be. History says it is normally at the flex fuse -- a poor connection under the screw -- or at the L connector in unmolested cars. But previous repair attempts will complicate the guessing to the point you just have to trace it for yourself.
I can tell you, since my daughter bought me that 27mm socket 17 years ago I've not used it for anything other than the nut behind the wheel.
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Art Benstein near Baltimore
Q: What would you call a power failure?
A: A current event.
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