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 MANUALSBUICK2018REGAL BASEREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (F101-K20)COMPONENT CONNECTOR END VIEWSK9 BODY CONTROL MODULE X2
2018 Buick Regal Base
K9 Body Control Module X2
2018 Buick Regal BaseSECTION K9 Body Control Module X2
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 | 13575578 | J-35616-35 (VT) | J-38125-553 | 8100-4445 | Sumitomo 22 | F | D |
| II | 13582297 | J-35616-64B (LT BU) | J-38125-215A | Not Available | Not Available | Not Available | Not Available |
| III | 13582326 | J-35616-35 (VT) | J-38125-553 | 8100-4444 | Sumitomo 22 | 2 | A |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.75 | RD/BN | 4240 | Battery Positive Voltage | III | - |
| 2 | 1 | BK/WH | 1651 | Signal Ground | III | - |
| 3 | - | - | - | Not Occupied | - | - |
| 4 | 2.5 | RD/BN | 4940 | Battery Positive Voltage | I | - |
| 5 | - | - | - | Not Occupied | - | - |
| 6 | 0.35 | GN | 1110 | Auto Stop Start Indicator Control | II | - |
| 7 | 0.35 | BU/YE | 5361 | Brake Apply Sensor Signal | II | - |
| 8 | 0.35 | YE | 6817 | LED Backlight Dimming Control | II | - |
| 9 | 0.13 | YE | 44 | Instrument Panel Lamp Dimmer Switch Signal | II | - |
| 10 | 0.13 | WH | 278 | Ambient Light Sensor Signal | II | - |
| 11 | 0.35 | WH | 5526 | Tap Up/Tap Down Switch Signal | II | - |
| 12 | 0.35 | BN/BU | 391 | Rear Window Wiper Switch Signal | II | C25 |
| 13 | 0.35 | WH | 5359 | Brake Apply Sensor Control | II | - |
| 14 | 0.35 | BU/VT | 1788 | Traction Control Switch Signal 1 | II | - |
| 15 | 0.35 | GY | 156 | Courtesy Lamp Switch Signal | II | - |
| 16 | 0.35 | GY | 3273 | Remote Function Actuator Low Reference | II | Wagon |
| 17 | 0.13 | VT | 5723 | Ignition Mode Switch Mode Voltage | II | - |
| 18 | 0.35 | BU | 6856 | Headlamp Automatic High Beam Dim Control | II | - |
| 19 | 0.35 | YE | 4086 | Pushbutton Start Challenge Active Signal | II | - |
| 20 | - | - | - | Not Occupied | - | - |
| 21 | 0.35 | GN/GY | 6135 | Local Interconnect Network Serial Data Bus 4 | II | - |
| 22 | 0.35 | GN | 5060 | Low Speed GMLAN Serial Data | II | - |
| 23 - 24 | - | - | - | Not Occupied | - | - |
| 25 | 0.35 | GY/WH | 3272 | Remote Function Actuator Control | II | - |
| 26 | 0.35 | GN/WH | 111 | Hazard Switch Signal | II | - |
| 27 | 0.13 | GN | 3274 | Remote Function Actuator Transmit Signal | II | - |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.