For 1990-2009 cars

Connector 1: | Steering Wheel Control Switch - Left
Connector 2: | Steering Wheel Control Switch - Right

### Steering Wheel Control Switch - Left

#### Connector Part Information

- OEM: 50-57-9407
- Service: 88988695
- Description: 7-Way F SL Series, Unsealed (BK)

#### Terminal Part Information

- Terminal: See Terminal Repair Kit
- Core/Insulation Crimp: See Terminal Repair Kit
- Release Tool/Test Probe: See Terminal Repair Kit

#### Steering Wheel Control Switch - Left

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1-2 | -- | -- | Not Used
3 | BK | 1150 | Ground (K34)
3 | BK | 1150 | Ground (UK3)
4 | PK | 1539 | Ignition 1 Voltage (K34)
5 | GY | 8 | Instrument Panel Lamp Supply Voltage (K34)
5 | GY | 8 | Instrument Panel Lamp Supply Voltage (UK3)
6 | GY | 1884 | Cruise Control Switch Signal (K34)
7 | D-GN/WH | 1358 | DIC Switch Signal (U68)

### Steering Wheel Control Switch - Right

#### Connector Part Information

- OEM: 50-57-9404
- Service: 88987918
- Description: 4-Way F SL Series, Unsealed (BK)

#### Terminal Part Information

- Terminal: See Terminal Repair Kit
- Core/Insulation Crimp: See Terminal Repair Kit
- Release Tool/Test Probe: See Terminal Repair Kit

#### Steering Wheel Control Switch - Right

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | D-BU | 1796 | Steering Column Controls Signal (UK3)
2 | WH/BK | 644 | 10-Volt Reference (UK3)
3 | GY | 8 | Instrument Panel Lamp Supply Voltage (UK3)
4 | BK | 1150 | Ground (UK3)