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Home >> Buick >> 2007 >> Allure CXL >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System & Fuel System - 3.8L - Introduction (2 Of 2) >> Component Locator >> Engine Controls Connectors >> Ignition Control Module (ICM)
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Ignition Control Module (ICM)

Fig 1: ICM Connector End View
GM516619Courtesy of GENERAL MOTORS CORP.
ICM Connector Part Information

Connector Part Information 
  • OEM: 12124379
  • Service: 12167123
  • Description: 14-Way F Metri-Pack 150 Pull To Seat Series Sealed (BK)
Terminal Part Information 
  • Pins: A- D, F, G- P
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
ICM Connector Terminal Identification

Pin Wire Color Circuit No. Function
A WH 423 IC Timing Control
B TN/BK 424 IC Timing Signal
C L-BU/BK 647 Medium Resolution Engine Speed Signal
D PU/WH 430 Low Resolution Engine Speed Signal
E - - Not Used
F BK 630 Camshaft Position Signal
G YE 573 CKP Sensor 1 Signal
H L-BU/WH 1800 CKP Sensor 2 Signal
J BN/WH 633 CMP Sensor Signal
K BK/WH 51 Ground
L RD/BK 453 Low Reference
M BK/WH 836 Low Reference
N WH/BK 644 12-Volt Reference
P PK 239 Ignition 1 Voltage