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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 981 (WIRING SYSTEMS - POWER DISTRIBUTION AND GROUND DISTRIBUTION CONNECTOR END VIEWS)POWER AND GROUNDING CONNECTOR END VIEWSJUNCTION BLOCK - I/P - C8
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M
Junction Block - I/P - C8
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Junction Block - I/P - C8
WARNING: This page does not describe the selected car, but rather 19 other vehicles, including the 2001 GMC Yukon XL, 2001 GMC Yukon, 2001 GMC Sierra, 2001 GMC Cab & Chassis Sierra, and 2001 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Junction Block - I/P - C8
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | LT BLU | 733 | Air Temperature Door Position Signal |
| B | DK GRN | 1614 | Recirculation Door Control |
| C | BRN | 718 | Low Reference |
| D | GRY/BLK | 1798 | Ground (HVAC Auto) |
| D | BLK | 2450 | Ground (HVAC Manual) |
| E | GRY/BLK | 1798 | Ground (HVAC Auto) |
| E | GRY/BLK | 1798 | Ground (HVAC Auto) |
| E | BLK | 2450 | Ground (HVAC Manual) |
| E | BLK | 2450 | Ground (HVAC Manual) |
| F | RED | 708 | Mode Door Position Signal |
RENDER: 1.0x
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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.