Alternator Circuit Wiring Diagram (2003 4.6L Crown Victoria, Grand Marquis)

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

• 4.6L Ford Crown Victoria: 2003.
• 4.6L Mercury Grand Marquis: 2003.

The alternator can be tested with a multimeter (to find out if it's good or bad). You can find the tutorial here:

• How To Test The Alternator (1995-2003 4.6L Crown Victoria, Grand Marquis).

The alternator circuit wiring diagrams for the 1995-2002 4.6L Crown Victoria (Grand Marquis) can be found here:

• Alternator Circuit Wiring Diagram (1995-1997 4.6L Crown Victoria, Grand Marquis).
• Alternator Circuit Wiring Diagram (1998-2000 4.6L Crown Victoria, Grand Marquis).
• Alternator Circuit Wiring Diagram (2001-2002 4.6L Crown Victoria, Grand Marquis).

WIRING DIAGRAMS: You can find a complete list of available wiring diagrams for the 4.6L V8 Ford Crown Victoria and Mercury Grand Marquis here:

• 4.6L Crown Victoria And Grand Marquis Index of Articles.

E-Series Vans: You can find a complete list of available wiring diagrams for the 4.6L/5.4L V8 Ford E150, E250, and E350 here:

• 4.6L, 5.4L Ford E150, E250, And E350 Index of Articles.

F-Series Pickups: You can find a complete list of available wiring diagrams for the F-Series pickups equipped with a 4.6L or 5.4L V8 here:

• 4.6L, 5.4L Ford F150, F250, And F350 Index of Articles (at: easyautodiagnostics.com).