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. Notice: Refer to Fastener Notice 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 .