PART 1: Ignition System Wiring Diagram (1997, 1998, 1999 4.6L Ford F150, F250)
PART 2: Ignition System Wiring Diagram (1997, 1998, 1999 4.6L Ford F150, F250)

This typical ignition system circuit diagram applies only to the 1997, 1997, and 1999 4.6L V8 Ford F150 and F250 only.

Includes: ignition coil packs, CKP sensor, and CAM sensor circuits.

NOTE: The following tutorials will help you with test the ignition coil packs:

  1. How To Test The 2 Coil Packs (Ford 4.6L V8) (at: troubleshootmyvehicle.com).

More 4.6L, 5.4L Ford Diagnostic Tutorials

There are quite a few tutorials for the 4.6L and 5.4L equipped Ford F150, F250 pick-ups and Expedition SUV. You can check them out in this index:

  1. Ford 4.6L, 5.4L Index of Articles.

Here's a small sample of the tutorials you'll find in the index:

  1. How To Clean The Ford MAF Sensor (Ford 4.2L, 4.6L, 5.4L).
  2. How To Test The Fuel Injectors (1997-2002 4.6L F150).
  3. How To Test The Ford EGR Valve EGR Vacuum Solenoid, DPFE Sensor.
  4. How To Test The Ford MAF Sensor (4.2L, 4.6L, 5.4L).
  5. How To Test The 4.6L, 5.4L Ford Throttle Position Sensor (TPS).
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