Turn Signal/Multifunction Switch C2 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12059800 5-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	TN	751	Ground
B	YE/BK	307	Headlamp Switch Flash to Pass Signal
C	L-GN	11	Headlamp Dimmer Switch Signal
D-E	-	-	Not Used