This typical circuit diagram of the blower motor and blower motor control processor (electronic blower motor resistor) circuit applies to the 2006, 2007, 2008, 2009 3.9L V6 Chevrolet Impala.
Color codes:
- BLK: black.
- GRY/BLK: gray with black stripe.
- ORG: orange.
- PPL: purple.
- RED: red.
More 3.9L V6 Test Tutorials
You can find a complete list of 3.9L V6 diagnostic test tutorials here: GM 3.9L Index Of Articles.
Here's a list of articles you'll find there:
- How To Test The Engine Compression (2006-2010 3.9L V6 Engine).
- How To Test A Blown Head Gasket (2006-2010 3.9L V6 Engine).
- Ignition System Wiring Diagram (2006-2009 3.9L Chevrolet Impala).
- How Often Should I Replace The Spark Plugs (2006-2010 3.9L V6 Engine).
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