GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1422425  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the injector sight shield. Refer to Fuel Injector Sight Shield Replacement.
  3. Disconnect the spark plug wires. Note the position from which the wires are removed.
  4. Disconnect the ignition coil/control module electrical connectors.
  5. Remove the 4 bolts securing the ignition coil/control module to the ignition control module bracket.
  6. Remove the ignition coil/control module.

Installation Procedure


    Object Number: 1422425  Size: SH
  1. Install the ignition coil/control module to the ignition control module bracket.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the 4 bolts securing the ignition coil/control module to the ignition control module bracket.
  4. Tighten
    Tighten the bolts to 4.5 N·m (40 lb in).

  5. Connect the ignition coil/control module electrical connectors.
  6. Connect the spark plug wires.
  7. Install the injector sight shield. Refer to Fuel Injector Sight Shield Replacement.
  8. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.