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 VIEWSS192 RADIO FUNCTION SWITCH (IOR)
2024 GMC Sierra 2500 HD Denali Ultimate
S192 Radio Function Switch (IOR)
2024 GMC Sierra 2500 HD Denali UltimateSECTION S192 Radio Function Switch (IOR)
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | Not required | EL-35616-58 (BK) | No Tool Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | YE / RD | 11236 | Radio Switch 5 Volt Reference | I | - |
| 2 | 0.35 | BK / BU | 11237 | Radio Switch Low Reference 1 | I | - |
| 3 | 0.35 | BN / WH | 11233 | Radio Switch Power ON/OFF Switch Signal | I | - |
| 4 | 0.35 | BK / GN | 11238 | Radio Switch Low Reference 2 | I | - |
| 5 | 0.35 | BU / GY | 11244 | Radio Switch Dimming Control | I | - |
| 6 | 0.35 | VT / WH | 11245 | Radio Switch Buttons Signal | I | - |
| 7 | 0.35 | BU | 11235 | Radio Switch Volume Up Signal | I | - |
| 8 | 0.35 | GY / BN | 11234 | Radio Switch Volume Down 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.