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 MANUALSCHEVROLET2019TAHOE LS, 4WD, GAS/ETHANOLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 5 (COMPONENT CONNECTOR END VIEWS - Q83A TO X92)COMPONENT CONNECTOR END VIEWSS78 TURN SIGNAL/MULTIFUNCTION SWITCH
2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol
S78 Turn Signal/Multifunction Switch
2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION S78 Turn Signal/Multifunction Switch
WARNING: This page is about a different car, the 2017 GMC Canyon and 2017 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | 13575870 | J-35616-64B (LT BU) | J-38125-12A | SNAC3-A021T-M0.64 | Delphi 20 | J | J |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | WH/GN | 663 | Hazard Switch Left Turn Signal | I | - |
| 2 | 0.35 | WH | 524 | Headlamp Dimmer Switch High Beam Signal | I | - |
| 3 | 0.35 | BK/WH | 2151 | Signal Ground | I | - |
| 4 | 0.35 | YE/BN | 307 | Headlamp Switch Flash To Pass Signal | I | - |
| 5 | 0.35 | GY/L-BU | 893 | Driver Information Center Select Menu Switch Signal | I | - |
| 6 | 0.35 | BK/BN | 897 | Driver Information Center Switch Low Reference | I | - |
| 7 | 0.35 | VT/L-BU | 664 | Hazard Switch Right Turn Signal | I | - |
| 8 - 11 | - | - | - | Not Occupied | - | - |
| 12 | 0.35 | GN/WH | 1358 | Driver Information Center Switch Signal | I | - |
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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.