Ignition Coil (IC) Module Connector End View/Part Information/Terminal Identification

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		PED 12059595 3-Way F Metri-Pack 150 Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	OG	423	Ignition Coil (IC) Timing Control 2 and 3
B	PK/D-BU	539	Ignition 1 Voltage
C	WH	406	Ignition Coil (IC) Timing Control 1 and 4