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.
A22 Radio Controls (IOB/IOR)
2018 Buick Regal BaseSECTION A22 Radio Controls (IOB/IOR)
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 | Not Required | EL-35616-58 (BK) | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 0.35 |
BU/RD WH |
2807 2517 |
Radio Keypad Voltage Reference Keypad Red LED Control |
I I |
IOB IOR |
| 2 | 0.35 | GN/BK | 2805 | Radio Keypad Ground Return | I | - |
| 3 | 0.35 0.35 |
VT/WH BN/WH |
2810 2809 |
Radio Keypad Button Signal Radio Keypad Power Signal |
I I |
IOB IOR |
| 4 | 0.35 0.35 |
BN/WH BK/YE |
2809 2806 |
Radio Keypad Power Signal Radio Keypad Low Reference |
I I |
IOB IOR |
| 5 | 0.35 | BU/GY | 2808 | Radio Keypad Dimming Control | I | - |
| 6 | 0.35 0.35 |
BU VT/WH |
4315 2810 |
Radio Volume Up Signal Radio Keypad Button Signal |
I I |
IOB IOR |
| 7 | 0.35 0.35 |
GY/BN BU |
4314 4315 |
Radio Volume Down Signal Radio Volume Up Signal |
I I |
IOB IOR |
| 8 | 0.35 0.35 |
BK/YE GY/BN |
2806 4314 |
Radio Keypad Low Reference Radio Volume Down Signal |
I I |
IOB IOR |
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.