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 MANUALSCHEVROLET2006CAB & CHASSIS SILVERADO 2D PICKUP, 8.1 G, 4WD, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSOEM CONNECTOR END VIEWSLIGHTING SYSTEMS CONNECTOR END VIEWSHEADLAMP SWITCH CONNECTOR END VIEW
2006 Chevrolet Cab & Chassis Silverado 2D Pickup, 8.1 G, 4WD, Automatic
Headlamp Switch Connector End View
2006 Chevrolet Cab & Chassis Silverado 2D Pickup, 8.1 G, 4WD, AutomaticSECTION Headlamp Switch Connector End View
Headlamp Switch
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | PU | 328 | Interior Lamp Defeat Switch Signal |
| 2 | GY/BK | 308 | Park Lamp Switch On Signal |
| 3 | BK/WH | 1851 | Ground |
| 4 | WH | 103 | Headlamp Switch Headlamps On Signal |
| 5 | D-GN | 588 | DRL Switch Signal |
| 6 | BK | 1050 | Ground |
| 7 | PK | 1348 | Headlamp ON Indicator Control |
| 8 | PU | 359 | DRL OFF Indicator Control |
| 9 | PU/WH | 1382 | LED Dimming Supply |
| 10 | D-BU/WH | 1495 | Courtesy Lamp ON Signal |
| 11 | OG/BK | 2090 | Dimming Input |
| 12 | GY/BK | 2226 | Dimming Return |
| 13 | GY | 1056 | 5-Volt Reference |
| 14 | BN/WH | 230 | Instrument Panel Lamps Dimming Control |
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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.