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.
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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2177 (WIRING SYSTEMS AND POWER MANAGEMENT - CONNECTOR END VIEWS - 2 OF 4)IGNITION CONTROL MODULE (ICM) (4.3L)
2006 Chevrolet Suburban C2500, 6.0 U
Ignition Control Module (ICM) (4.3L)
2006 Chevrolet Suburban C2500, 6.0 USECTION Ignition Control Module (ICM) (4.3L)
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Ignition Control Module (ICM) (4.3L)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| A | 0.5 OG/WH | 2122 | IC 2 Control |
| B | 0.5 PU | 2121 | IC 1 Control |
| C | 0.5 L-BU | 2123 | IC 3 Control |
| D | 0.5 BN | 2129 | Low Reference |
| E | 0.8 BK | 350 | Ground |
| F | 0.8 PK | 1039 | Ignition 1 Voltage |
Connector Part Information
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Terminal Part Information
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RENDER: 1.0x
NO RELATED
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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.