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 255 (LIGHTING SYSTEMS)COMPONENT LOCATORLIGHTING SYSTEMS CONNECTORSHEADLAMP SWITCH
2006 Buick Terraza CXL, 3.5 L, AWD
Headlamp Switch
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Headlamp Switch
WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
Headlamp Switch Connector Parts Information
Connector Part Information
|
Terminal Part Information
|
Headlamp Switch Connector Terminal Identification
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1 | WH | 103 | Headlamp Switch Headlamps On Signal |
| 2 | BN/WH | 301 | Park Lamp Switch On Signal |
| 3 | D-GN | 306 | Headlamp Switch Headlamps Off Signal |
| 4-5 | - | - | Not Used |
| 6 | OG | 192 | Front Fog Lamp Switch Signal (T96) |
| 7 | GY | 8 | Instrument Panel Lamp Supply Voltage |
| 8 | BK/WH | 1551 | Ground |
| 9 | L-BU | 383 | Trunk Release Control |
| 10 | BN/WH | 1571 | Traction Control Switch Signal (JL9) |
| 11 | - | - | Not Used |
| 12 | PK/BK | 1597 | Courtesy Lamps Switch On Signal |
| 13 | D-GN | 44 | Instrument Panel Lamps Dimmer Switch Signal |
| 14 | - | - | Not Used |
| 15 | OG/WH | 812 | IP Dimming Voltage Reference |
| 16 | - | - | Not Used |
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.