Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Chevrolet Cutaway 6.6 2FACTORY OEM SERVICE PROCEDURE
Ignition Control Module (ICM) Connector End View
Ignition Control Module (ICM) Connector & Terminal Parts Information
Connector Part Information
|
Terminal Part Information
|
Ignition Control Module (ICM) Terminal Identification
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| A | PK | 139 | Ignition 1 Voltage |
| B | WH | 423 | IC Timing Control |
| C | BK | 1250 | Ground |
| D | WH/BK | 1847 | Ignition Coil Control |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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