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 MANUALSGMC2024SIERRA 2500 HD DENALI ULTIMATEREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (S86 - X81AI)COMPONENT CONNECTOR END VIEWSS171L INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH - LEFT
2024 GMC Sierra 2500 HD Denali Ultimate
S171L Instrument Panel Center Accessory Function Switch - Left
2024 GMC Sierra 2500 HD Denali UltimateSECTION S171L Instrument Panel Center Accessory Function Switch - Left
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | 19300660 | J-35616-64B (L-BU) | J-38125-215A |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | GY / GN | 2555 | Rear Parking Assist Disable Signal | I | - |
| 2 | 0.35 | YE | 6817 | LED Backlight Dimming Control 1 | I | - |
| 3 | 0.35 | BU / WH | 3119 | Roof Rail Air Bag Disable Switch Signal | I | - |
| 4 | 0.35 | GY / WH | 3153 | Lane Departure Warning Disable Switch Signal | I | - |
| 5 | 0.35 | WH | 3152 | Lane Departure Warning Indicator Control | I | - |
| 6 | 0.35 | BU / YE | 6844 | ABS/Traction Control Hill Descent Control Switch Signal | I | - |
| 7 | - | - | - | Not Occupied | - | - |
| 8 | 0.35 | GN / BN | 5852 | Rear Parking Assist Disable LED Signal | I | - |
| 9 | 0.35 | BK / WH | 851 | Signal Ground | I | - |
| 10 | 0.35 | BN / WH | 3895 | Roof Rail Air Bag Disable Switch Low Reference | I | - |
| 11 | 0.35 | YE / BU | 2912 | Driver Mode 2 Indicator Control | I | - |
| 12 | 0.35 | GY | 4989 | Driver Mode 2 Switch Signal | I | - |
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.