Dome/Reading Lamp Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12045813 4-Way F Metri-Pack 150 Series (WH)
Pin	Wire Color	Circuit No.	Function
A	BK	1350	Ground
B	GY	157	Courtesy Lamp Control
C	PU	328	Interior Lamp Switch Signal
D	OG	1732	Courtesy Lamps Supply Voltage