Take the brown wire that goes to the sending unit and touch it to ground. Turn your key on and your guage should go to empty. The guage is actually looking for a ground . If it does then the guage and wires are good. Then check the grounds on the tank and the sending unit. If you have a ohm meter you can check the sending unit and it should read about 90 ohms. If that checks good then check the wiring to the guage connection and guage it self.
69 Camaro Prostreet - purple w/ghost flames , 502 w/ 871 blower
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