Charging System Circuit Wiring Diagram (1999-2003 4.6L, 5.4L V8 Ford F150, F250 Light Duty)

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

• 4.6L V8 Ford F150: 1999, 2000, 2001, 2002, 2003.
• 5.4L V8 Ford F150: 1999, 2000, 2001, 2002, 2003.
• 4.6L V8 Ford F250 Light Duty: 1999.
• 5.4L V8 Ford F250 Light Duty: 1999.

The charging system wiring diagram for the 1997-1998 4.6L/5.4L Ford F150 and F250 Light Duty can be found here:

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

Alternator Test: The alternator can easily be diagnosed as good or bad with a multimeter. You can find the tutorial here:

• How To Test The Alternator (1997-2003 4.6L, 5.4L Ford F150, F250 Light Duty).

Wiring Diagrams: You can find all available wiring diagrams for the F-Series pickups in this index:

• 4.6L, 5.4L Ford F150, F250, And F350 Index of Articles.

E-Series Vans: You can find all available wiring diagrams for the 4.6L/5.4L V8 E-Series vans in this index:

• 4.6L, 5.4L Ford E150, E250, And E350 Index of Articles (at: troubleshootmyvehicle.com).

Crown Victoria And Grand Marquis: You can find all available wiring diagrams for the 4.6L V8 Crown Vic and Grand Marquis in this index:

• 4.6L Crown Victoria And Grand Marquis Index of Articles (at: troubleshootmyvehicle.com).