APPLIES TO: This fuel pump circuit wiring diagram applies to the following vehicles:
- 4.6L V8 Ford E150: 1997, 1998, 1999.
- 5.4L V8 Ford E150: 1997, 1998, 1999.
- 4.6L V8 Ford E250: 1997, 1998, 1999.
- 5.4L V8 Ford E250: 1997, 1998, 1999.
- 5.4L V8 Ford E350: 1997, 1998, 1999.
NOTE: This wiring diagrams includes the following fuel system components:
- PCM Power Relay.
- Fuel Pump Relay.
- Fuel Pump Inertia Cut-Off Switch.
- Fuel Pump.
FUEL PUMP PRESSURE TEST: The following is a step-by-step guide on how to check the performance of the fuel pump:
F-Series Pickups: The wiring diagram for the 1997-1999 4.6L and 5.4L Ford F150/F250/F350 pickups can be found here:
- Fuel Pump Circuit Wiring Diagram (1997, 1998 4.6L, 5.4L V8 Ford F150, F250, F350) (at: easyautodiagnostics.com).
- Fuel Pump Circuit Wiring Diagram (1999 4.6L, 5.4L V8 Ford F150, F250, F350) (at: easyautodiagnostics.com).
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