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no power to fuel pump checked fuses replaced relays unless there is one im overlooking
Best to have a wiring diagram and voltmeter to go much further with this diagnosis. Trace the wire from the pump backwards, checking for voltage at every connector.
Q&A > Chevrolet > 1999 Chevrolet 2500 Pickup
Q&A > Chevrolet > 2000 Chevrolet 2500 Pickup