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 MANUALSBUICK2006TERRAZA CXL, 3.5 L, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 137 (POWER ROOF SYSTEM)COMPONENT LOCATORPOWER ROOF SYSTEMS CONNECTOR END VIEWS
2006 Buick Terraza CXL, 3.5 L, AWD
Power Roof Systems Connector End Views
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Power Roof Systems Connector End Views
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Sunroof Switch
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | - | - | Not Used |
| B | D-BU | 128 | Sunroof Switch Low Reference |
| C | - | - | Not Used |
| D | OG | 110 | Sunroof Switch Close Signal |
| E | BN | 100 | Sunroof Switch Open Signal |
Sunroof Motor
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BK | 750 | Ground |
| 2 | D-BU | 128 | Sunroof Switch Low Reference |
| 3 | YE | 643 | Accessory Voltage |
| 4 | - | - | Not Used |
| 5 | BN | 100 | Sunroof Switch Open Signal |
| 6 | YE | 643 | Accessory Voltage |
| 7-9 | - | - | Not Used |
| 10 | OG | 110 | Sunroof Switch Close Signal |
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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.