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 1876 (HVAC SYSTEM - MANUAL)COMPONENT LOCATORHVAC CONNECTOR END VIEWSHVAC CONTROL MODULE C1
2004 Oldsmobile Bravada AWD
HVAC Control Module C1
2004 Oldsmobile Bravada AWDSECTION HVAC Control Module C1
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
HVAC Control Module C1 Connector Parts Information
Connector Part Information
|
HVAC Control Module C1 Connector Terminal Identification
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1 | L-BU | 292 | Rear Defogger Switch Signal |
| 2 | L-GN/BK | 1647 | Recirculation Door Control B |
| 3 | PK/WH | 1648 | Recirculation Door Control A |
| 4 | PU | 361 | Defrost Mode Valve Solenoid Control A |
| 5 | PU/WH | 3361 | Defrost Mode Valve Solenoid Control B |
| 6 | L-GN | 2210 | Air Temperature Door Control - Cold |
| 7 | D-BU | 1199 | Air Temperature Door Control - Hot |
| 8 | GY | 705 | 5-Volt Reference |
| 9 | WH | 193 | Rear Defogger Relay Control |
| 10 | L-GN | 66 | A/C Request Signal |
| 11 | GY | 8 | Park Lamp Supply Voltage |
| 12 | BK/WH | 151 | Ground |
| 13 | YE | 60 | Blower Motor Low Control - Redundant |
| 14 | L-GN/WH | 366 | Lower Mode Valve Solenoid Control A |
| 15 | L-GN/BK | 3366 | Lower Mode Valve Solenoid Control B |
| 16 | RD | 362 | Upper Mode Valve Solenoid Control A |
| 17 | OG/WH | 3362 | Upper Mode Valve Solenoid Control B |
| 18 | - | - | Not Used |
| 19 | L-BU | 733 | Air Temperature Door Position Signal |
| 20 | YE/BK | 713 | Defrost Mode Valve Position Sensor Signal |
| 21 | YE/BK | 1814 | Lower Mode Door Position Signal |
| 22 | RD | 708 | Mode Door Position Signal |
| 23 | BK | 407 | Low Reference |
| 24 | BN | 41 | Ignition 3 Voltage |
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.