Headlamp Relay Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		09705055C310 WHT
Pin	Wire Color	Function
1	YEL/RED	Dimmer Switch Signal
2	BLK	Ground G200
3	PNK/WHT	DRL Control
4	-	Not Used
5	PNK/BLU	Headlamp Control