

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