Fuel Injectors Circuit Wiring Diagram (1999 4.6L, 5.4L V8 Ford F150, F250 Light Duty)

APPLIES TO: This fuel injector circuit wiring diagram applies to the following vehicles:

• 4.6L V8 Ford F150: 1999.
• 5.4L V8 Ford F150: 1999.
• 4.6L V8 Ford F250 Light Duty: 1999.
• 5.4L V8 Ford F250 Light Duty: 1999.

NOTE: This wiring diagrams includes the following component circuits:

• Fuel injectors.
• PCM Power Relay.

The fuel injector wiring diagram for the 1997-1998 4.6L/5.4L F150 and F250 Light Duty is available here:

• Fuel Injectors Circuit Wiring Diagram (1997-1998 4.6L, 5.4L V8 Ford F150, F250 Light Duty)

FUEL INJECTOR TESTS: The following tutorials will help you with test the fuel injectors:

• How To Test The Fuel Injectors (1997-2002 4.6L F150, F250).

E-Series Vans: The wiring diagram for the 1997-1999 5.4L Ford E150/E250/E350 vans can be found here:

• Fuel Injector Circuit Wiring Diagram (1997-1999 4.6L, 5.4L V8 Ford E150, E250, E350) (at: troubleshootmyvehicle.com)