Ignition Control Module (ICM) (4.3L)

Fig 1: Ignition Control Module (ICM) (4.3L) Connector End View

Courtesy of GENERAL MOTORS CORP.

Ignition Control Module (ICM) (4.3L)

Pin	Wire	Circuit	Function
A	0.5 OG/WH	2122	Ignition Coil 2 Control
B	0.5 PU	2121	Ignition Coil 1 Control
C	0.5 L-BU	2123	Ignition Coil 3 Control
D	0.5 BN	2129	Low Reference
E	0.8 BK	1250	Ground
F	0.8 PK	1039	Ignition Voltage

Connector Part Information  OEM: 15397577 Service: 88988944 Description: 6-Way F GT 150 Sealed (BK)

Terminal Part Information  Pins: A-F Terminal/Tray: 12191819/8 Core/Insulation Crimp: Pins A-D - E/A Core/Insulation Crimp: Pins E, F - 2/A Release Tool/Test Probe: 15315247/J-35616-2A (GY)