Heated Seat Control Module - Driver C1 (KA1) Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		7283-5629-40 4-Way F YESC/USCAR Class II Series (GY)
Pin	Wire Color	Circuit No.	Function
1	BK	1150	Ground
2	L-BU/BK	1505	Driver Heated Seat Switch Signal
3	YE	243	Accessory Voltage
4	RD/WH	1140	Battery Positive Voltage