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
Fuel Injector 4 Connector End View
Fuel Injector 4 Connector & Terminal Parts Information
Connector Part Information
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Terminal Part Information
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Fuel Injector 4 Terminal Identification
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1 | L-BU/BK | 844 | Fuel Injector 4 Control Group 1 |
| 2 | OG | 5421 | Injector Positive Voltage 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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