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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS H1500, VAN PASSENGER, GASREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSCOMPONENT LOCATIONS & COMPONENT CONNECTOR END VIEWSCOMPONENT CONNECTOR END VIEWIGNITION CONTROL MODULE (ICM) (4.3L)
2008 Chevrolet Chevy Express H1500, Van Passenger, Gas

Ignition Control Module (ICM) (4.3L)

2008 Chevrolet Chevy Express H1500, Van Passenger, GasSECTION Ignition Control Module (ICM) (4.3L)
Fig 1: Ignition Control Module (ICM) (4.3L) Connector End View
GM309512Courtesy 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)
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.