You never explained what happened when you turned on the key.
Does the gauge indicate empty, full or some intermediate value?
How much gas is in the tank?
What happens if you ground the wire at the sending unit?
What happens if you remove the wire at the sending unit?
'57 GMC 102, Original 347 V8, HydraMatic, 3.08 rear gear, added A/C, disk front brakes, HEI, AFB carb, '98 Honda Black Currant paint. T-boned and totaled 10/12
'52 GMC 152 Stake Bed, Original 228, SM420, added A/C, HEI, disk front brakes, '67 Chev 3.55 rear gear. Gets used as a real truck.
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