Steering Wheel Control Switch Connector End View

Steering Wheel Control Switch - Left (Chevrolet w/ K34 w/o UK3)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 50-57-9404 Service: 12103499 4-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	BK/WH	151	Ground
2	GY	8	Instrument Panel Lamp Supply Voltage
3	PK	1339	Ignition 1 Voltage
4	GY	397	Cruise Control On Switch Signal

Steering Wheel Control Switch - Right (Chevrolet w/ K34 w/o UK3)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 50-57-9405 Service: 12103020 5-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	BK/WH	151	Ground
2	GY	8	Instrument Panel Lamp Supply Voltage
3	GY	397	Cruise Control On Switch Signal
4	GY	1884	Cruise Control Set/Coast/Resume/Accelerate Switch Signal
5	-	-	Not Used

Steering Wheel Control Switch - Left (Chevrolet w/ K34 and UK3)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 50-57-9406 Service: 12103087 6-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	L-GN	1011	Remote Radio Control Signal
2	GY	8	Instrument Panel Lamp Supply Voltage
3	BK/WH	151	Ground
4	D-BU	1796	Steering Wheel Controls Signal
5	PK	1339	Ignition 1 Voltage
6	GY	397	Cruise Control On Switch Signal

Steering Wheel Control Switch - Right (Chevrolet w/ K34 and UK3)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 50-57-9407 Service: 15383018 7-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	WH/BK	644	10-Volt Reference
2	GY	8	Instrument Panel Lamp Supply Voltage
3	BK/WH	151	Ground
4	D-BU	1796	Steering Wheel Controls Signal
5	L-GN	1011	Remote Radio Control Signal
6	GY	397	Cruise Control On Switch Signal
7	GY	1884	Cruise Control Set/Coast/Resume/Accelerate Switch Signal

Steering Wheel Control Switch - Left (Pontiac w/ K34/UK3)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 50-57-9407 Service: 15383018 7-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1-2	-	-	Not Used
3	GY	8	Instrument Panel Lamp Supply Voltage
4	PK	1339	Ignition 1 Voltage
5	GY	1884	Cruise Control Set/Coast/Resume/Accelerate Switch Signal
6	-	-	Not Used
7	BK/WH	151	Ground

Steering Wheel Control Switch - Right (Pontiac w/ K34/UK3)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 50-57-9404 Service: 12103499 4-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	BK/WH	151	Ground
2	WH/BK	644	10-Volt Reference
3	GY	8	Instrument Panel Lamp Supply Voltage
4	D-BU	1796	Steering Wheel Controls Signal