Fuel gauge works, but not in dash

I have gone through my whole car with brand new wiring harness I've made. I got two 66 valiants I'm fixing to be working on and one I get to keep after scavenging it to make the other run. Worst case I'll swap gauges over to the square style. But I've soldered all the pins, and still nothing. I'll try adding a ground wire to the fuel gauge itself. If that doesn't work then I guess that's another reason to go with aftermarket auto meter gauges ;). This is as far as it goes up. Pic below And the tank is full.

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