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 MANUALSCHEVROLET2018SILVERADO 2500 HD WT, 2D PICKUP, 6.0L ENG VIN G, RWD, GASREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (K20 - K85)COMPONENT CONNECTOR END VIEWSK33 HVAC CONTROL MODULE X4
2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, Gas
K33 HVAC Control Module X4
2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, GasSECTION K33 HVAC Control Module X4
Connector Part Information
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Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | Not Required | J-35616-64B (LT BU) | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 - 4 | - | - | - | Not Occupied | - | - |
| 5 | 0.35 | GY/BK | 2778 | Passenger Air Temperature Motor Control | I | - |
| 6 | 0.35 | WH/BK | 1236 | Passenger Air Temperature Door Control | I | - |
| 7 | 0.35 | BN/BU | 1646 | Passenger Air Temperature Door Position Signal | I | - |
| 8 | - | - | - | Not Occupied | - | - |
| 9 | 0.35 | YE | 517 | Upper Right Air Temperature Sensor Signal | I | - |
| 10 | - | - | - | Not Occupied | - | - |
| 11 | 0.35 | GN | 518 | Lower Left Air Temperature Sensor Signal | I | - |
| 12 | 0.35 | RD | 520 | Lower Right Air Temperature Sensor Signal | I | - |
| 13 - 20 | - | - | - | Not Occupied | - | - |
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.