Ignition Coil Circuit Wiring Diagram (2003-2006 V8 Chevrolet Silverado, GMC Sierra)

Ignition System Circuit Wiring Diagram PART 1 of 2 -2003, 2004, 2005, 2006 4.8L, 5.3L, 6.0L Chevrolet Silverado And GMC Sierra Ignition System Circuit Wiring Diagram PART 2 of 2 -2003, 2004, 2005, 2006 4.8L, 5.3L, 6.0L Chevrolet Silverado And GMC Sierra

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

Chevrolet:

  • 4.8L Chevrolet Silverado (1500, 2500): 2003, 2004, 2005, 2006
  • 5.3L Chevrolet Silverado (1500, 2500): 2003, 2004, 2005, 2006
  • 6.0L Chevrolet Silverado (2500): 2003, 2004, 2005, 2006

GMC:

  • 4.8L GMC Sierra (1500, 2500): 2003, 2004, 2005, 2006
  • 5.3L GMC Sierra (1500, 2500): 2003, 2004, 2005, 2006
  • 6.0L GMC Sierra (2500): 2003, 2004, 2005, 2006

You can find the 1999-2002 V8 Chevrolet Silverado (GMC Sierra) ignition coil circuit diagram here:

The following tutorial explains how to test the ignition coils:

If you need to test the crankshaft position sensor, see this tutorial:

More Chevrolet Silverado (GMC Sierra) Tutorials

You can find a complete list of V8 Chevrolet Silverado (GMC Sierra) tutorials in this index:

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

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