What causes electric fuel pump to run all the time?

1987 Corvette Fuel Pump Wiring Diagram

'85 fuel pump runs without key What causes electric fuel pump to run all the time?

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'85 Fuel Pump runs without key - Corvette Forum : DigitalCorvettes.com

What causes electric fuel pump to run all the time?
What causes electric fuel pump to run all the time?

'85 Fuel Pump runs without key - Corvette Forum : DigitalCorvettes.com
'85 Fuel Pump runs without key - Corvette Forum : DigitalCorvettes.com