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 MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2053 (COMPONENT CONNECTOR END VIEWS - (4 OF 5))HVAC CONTROL MODULE X3 (C68)
2004 Oldsmobile Bravada AWD
HVAC Control Module X3 (C68)
2004 Oldsmobile Bravada AWDSECTION HVAC Control Module X3 (C68)
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
HVAC Control Module X3 (C68)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 0.35 BN | 520 | Lower Right Air Temperature Sensor Signal |
| 2 | 0.35 L-GN | 2275 | Mode Door Position Signal |
| 3 | 0.35 PU | 1838 | Recirculation Door Position Signal |
| 4 | 0.35 GY/BK | 754 | Blower Motor Speed Control |
| 5 | 0.5 BN | 2273 | Mode Door Control |
| 6 | - | - | Not Used |
| 7 | 0.5 D-GN | 1614 | Recirculation Door Control |
| 8 | 0.5 BN | 1199 | Left Air Temperature Door Control |
| 9 | - | - | Not Used |
| 10 | 0.35 GY | 598 | 5-Volt Reference |
| 11-12 | - | - | Not Used |
| 13 | 0.35 L-GN | 2275 | Mode Door Position Signal |
| 14 | 0.35 WH | 2622 | Air Temperature Sensor Signal |
| 15 | 0.5 D-GN | 119 | Mode Door Control |
| 16 | - | - | Not Used |
| 17 | 0.5 D-GN | 2274 | Recirculation Door Control |
| 18 | 0.5 D-GN | 1316 | Air Temperature Door Control |
| 19 | 0.35 TN | 552 | Low Reference |
| 20 | 0.35 YE | 1791 | Low Reference |
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.