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Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1709 (Wiring Systems And Power Management - Component Connector End Views - I-K) >> Component Connector End Views - I Through K >> Ignition Control Module (ICM) (LU3)
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Ignition Control Module (ICM) (LU3)

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Ignition Control Module (ICM) (LU3)
GM632357Courtesy of GENERAL MOTORS CORP.
Ignition Control Module (ICM) (LU3)

Pin Wire Circuit Function
A 0.5 OG/WH 2122 IC 2 Control
B 0.5 PU 2121 IC 1 Control
C 0.5 L-BU 2123 IC 3 Control
D 0.5 BN 2129 Low Reference
E 0.8 BK 350 Ground
F 0.8 PK 1039 Ignition 1 Voltage
Connector Part Information 
  • Harness: Engine
  • OEM: 15326829
  • Service: 88988944
  • Description: 6-Way F GT 150 Series, Sealed (BK)
Terminal Part Information 
  • Pins: A-D
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: E-F
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
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