My information says the fuel pump relay is integrated with the "constant control relay module" and is mounted on a bracket just behind the coolant reservoir. Before replacing it I would trace the wiring make sure what should be live is live/powered under various conditions key on or engine running. read more
My information says the fuel pump relay is integrated with the "constant control relay module" and is mounted on a bracket just behind the coolant reservoir. Before replacing it I would trace the wiring make sure what should be live is live/powered under various conditions key on or engine running. read more
1999 Ford Mustang mileage: 106,000. The other day my car stopped dead in the middle of the road. The computer gives me the 542 code. According to my repair manual, that means Fuel pump secondary circuit failure: ECM to ground motor. Now, I have no idea what that means.I'm trying to located the fuel pump relay switch to test it. read more