Daytime Running Lamps (DRL) Control Module C1 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12064766 8-Way F Metri-Pack 150 Series (BLU)
Pin	Wire Color	Circuit No.	Function
A	BLK	1450	Ground
B	BLK	1450	Ground (Export)
C	PNK	1839	Ignition 1 Voltage
C	LT BLU	1872	Headlamps Switch Off Signal (Export)
D	BRN/WHT	301	Park Lamp Switch On Signal
E	LT BLU	1134	Park Brake Switch Signal
F	BRN	241	Ignition 3 Voltage
G	YEL/BLK	1138	DRL Ambient Light Sensor Low Reference
G	TAN/BLK	231	Oil Pressure Switch Signal (Export)
H	LT GRN/ BLK	1137	DRL Ambient Light Sensor Signal