Ignition System Wiring Diagram (2003 4.7L V8 Dodge Ram Pickup)

APPLIES TO: This simplified ignition system wiring diagram applies to the following vehicles:

• 4.7L V8 Dodge Ram 1500: 2003.

This circuit diagram includes the following circuits:

• Ignition coils.
• Camshaft position (CMP) sensor.
• Crankshaft position (CKP) sensor.

IGNITION SYSTEM TESTS:

• How To Test The CMP Sensor -P0340 (2002-2007 4.7L V8 Dodge Ram Pickup).
• How To Test The CKP Sensor -P0320, P0335, P0339 (2002-2010 4.7L V8 Dodge Ram Pickup).
• How To Test The COP Ignition Coils (2002-2007 4.7L V8 Dodge Ram Pickup).

CYLINDER MISFIRE DIAGNOSTICS:

• How To Troubleshoot A Cylinder Misfire -P0300↔P0308 (2002-2009 4.7L V8 Dodge Ram Pickup).

ENGINE NO-START DIAGNOSTICS:

• How To Test An Engine No-Start (2002-2009 4.7L V8 Dodge Ram Pickup).

Ignition System Wiring Diagrams

• Ignition System Wiring Diagram (2002 4.7L V8 Dodge Ram Pickup).
• Ignition System Wiring Diagram (2004-2006 4.7L V8 Dodge Ram Pickup).
• Ignition System Wiring Diagram (2007-2008 4.7L V8 Dodge Ram Pickup).
• Ignition System Wiring Diagram (2009-2010 4.7L V8 Dodge Ram Pickup).