I have a 1963 C-10 pickup truck and I have a problem with the fuel level gage / sending unit. I believe around 1963 or '64 that Chevy went from the 0-ohms empty / 30-ohms full sender to the 0-ohms empty / 90-ohms full unit. Can anyone tell me which sending unit was used on the '63 C-10? I looked all through the '63 Shop Manual and there's no reference to the resistance on the sending unit.

Thanks,
-Bob
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-BowTie Bob