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Home >> Buick >> 2009 >> Allure CX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.8L - Introduction >> Repair Instructions >> Ignition Control Module Replacement >> Removal Procedure
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Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (L26) .
    2. Fig 1: View Of ICM & Bracket
    GM911107Courtesy of GENERAL MOTORS CORP.
  2. Remove the 14-way electrical connector from the ignition control module (ICM).
  3. Disconnect the spark plug wires from the coil assemblies. Before removing the wires, note the position of the wires.
  4. Remove the ICM nuts (2).
  5. Remove the ICM (1) from the bracket.
    6. Fig 2: View Of Ignition Coil Module And Module Mounting Bracket
    GM12299Courtesy of GENERAL MOTORS CORP.
  6. Remove the ignition coil screws (1).
  7. Remove the ignition coils (2) from the ICM (3).
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