LaCrosse V6-3.8L (2009)
Ignition Control Module: Service and Repair
Ignition Control Module Replacement
Removal Procedure
1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (L26) (See: Starting and
Charging/Battery/Battery Cable/Service and Repair)Battery Negative Cable Disconnection and Connection (LS4) (See: Starting and
Charging/Battery/Battery Cable/Service and Repair).
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.
Coil Service
6. Remove the ignition coil screws (1).
7. Remove the ignition coils (2) from the ICM (3).
Installation Procedure
