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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 629 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - ELECTRONIC COMPASS MODULE TO MEMORY SEAT MODULE (X4))COMPONENT CONNECTOR END VIEWSHEADLAMP AND PANEL DIMMER SWITCH (EXCEPT HP2)
2009 Chevrolet Tahoe Base, 4.8 C
Headlamp and Panel Dimmer Switch (except HP2)
2009 Chevrolet Tahoe Base, 4.8 CSECTION Headlamp and Panel Dimmer Switch (except HP2)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Connector Part Information
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Terminal Part Information
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Headlamp and Panel Dimmer Switch (except HP2)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 0.35 WH | 103 | Headlamp Switch On Signal |
| 2 | 0.35 L-BU | 13 | Headlamp Switch Park Lamp Signal |
| 3 | 0.35 D-GN | 306 | Headlamp Switch Headlamps Off Signal |
| 4-5 | - | - | Not Used |
| 6 | 0.35 L-BU | 187 | Rear Fog Lamp Switch Signal (T79) |
| 7 | 0.5 BN/WH | 230 | Instrument Panel Lamp Dimming Control (X88 or Z88) |
| 0.35 YE | 6817 | LED Backlight Dimming Control (Z75) | |
| 8 | 0.35 BK | 1850 | Ground |
| 9 | 0.35 PU | 328 | Interior Lamp Switch Voltage Control |
| 10 | 0.35 OG | 192 | Front Fog Lamp Switch Signal (T96) |
| 11 | - | - | Not Used |
| 12 | 0.35 D-BU/WH | 149 | Courtesy Lamp Control |
| 13 | 0.35 D-GN | 44 | Instrument Panel Lamps Dimmer Switch Signal |
| 14 | - | - | Not Used |
| 15 | 0.35 OG/WH | 812 | 12-Volt Reference |
| 16 | - | - | Not Used |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.