Turn Signal/Multifunction Switch C4 (K34) Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12047786 4-Way M 150 Series (BLK)
Pin	Wire Color	Circuit No.	Function
A	PNK	39	Ignition 1 Voltage
B	GRY	397	Cruise Control On Switch Signal
C	GRY/BLK	87	Cruise Control Resume/Accel Switch Signal
D	DK BLU	84	Cruise Control Set/Coast Switch Signal