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 MANUALSCHEVROLET2019TRAX PREMIER, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 32 (COMPONENT CONNECTOR END VIEWS (K71-Q17C))COMPONENT CONNECTOR END VIEWS (BUICK)K166L MULTIFUNCTION LED CONTROL MODULE - LEFT HEADLAMP X2 (T4L)
2019 Chevrolet Trax Premier, AWD
K166L Multifunction LED Control Module - Left Headlamp X2 (T4L)
2019 Chevrolet Trax Premier, AWDSECTION K166L Multifunction LED Control Module - Left Headlamp X2 (T4L)
WARNING: This page is about a different car, the 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
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Connector Part Information
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Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | Not Required | Not Available | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.5 | RD | 7538 | Left Front DRL Control | I | - |
| 2 | 0.5 | BK | 592 | DRL Relay Control | I | - |
| 3 | 0.5 | YE | 7538 | Left Front DRL Control | I | - |
| 4 | 0.5 | GN | 709 | Left Park Lamp Control | I | - |
| 5 | 0.5 | BN | 1314 | Left Front Turn Signal Lamp Control | I | - |
| 6 | 0.5 | YE | 709 | Left Park Lamp Control | I | - |
| 7 | 0.5 | BU | 1278 | Lamp Monitor Data Request Signal | I | - |
| 8 | 0.5 | WH | 1279 | Lamp Monitor Data Request Signal | I | - |
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:
- • 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.