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Ignition Control Module (ICM)

Fig 1: Ignition Control Module (ICM) Connector End Views
GM632357Courtesy of GENERAL MOTORS CORP.

Connector Part Information 

Terminal Part Information 

IGNITION CONTROL MODULE (ICM) TERMINAL IDENTIFICATION

Pin Wire Color Circuit No. Function
A OG/WH 2122 IC 2 Control
B PU 2121 IC 1 Control
C L-BU 2123 IC 3 Control
D YE 2174 Low Reference
E BK 450 Ground
F PK 239 Ignition 1 Voltage