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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2019TAHOE LS, 4WD, GAS/ETHANOLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 52 (COMPONENT CONNECTOR END VIEWS (K20 LUW/LWE-M74LR))COMPONENT CONNECTOR END VIEWSK33 HVAC CONTROL MODULE X1
2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol
K33 HVAC Control Module X1
2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION K33 HVAC Control Module X1
WARNING: This page is about a different car, the 2018 Chevrolet Sonic. However, it is still accessible from the selected car via links, so may be relevant.
Connector Part Information
|
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-35616-42 (RD) | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 3 | BK | 1250 | Ground | I | - |
| 2 | 2.5 | BU/YE | 72 | Medium 2 Blower Motor Control | I | - |
| 3 | 1.5 | YE/BN | 63 | Medium Blower Motor Control 1 | I | - |
| 4 | 3 | WH/BK | 52 | High Blower Motor Control | I | - |
| 5 | 0.5 | GN/BU | 761 | Blower Speed Feedback Signal | I | - |
| 6 | 1 | YE | 60 | Low Blower Motor Control | I | - |
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.