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APPLIES TO: This ignition system circuit wiring diagram applies to the following vehicles:
- 5.4L V8 Ford F150: 1997, 1998, 1999.
- 5.4L V8 Ford F250 Light Duty: 1997, 1998, 1999.
NOTE: This wiring diagrams includes the following ignition system components:
- Coil-On-Plug (COP) ignition coils.
- Crankshaft position (CKP) sensor.
- Camshaft position (CMP) sensor.
- Knock sensor
IGNITION COIL TESTS: The following tutorials will help you with test the ignition coils:
E-Series Vans: The wiring diagram for the 1997-1999 5.4L Ford E150/E250 vans can be found here:
- Ignition Coils Circuit Wiring Diagram (1997-1999 5.4L V8 Ford E150, E250, E350) (at: troubleshootmyvehicle.com)
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