GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 12299  Size: SH
  1. Disconnect the spark plug wires from the coil assemblies.
  2. Remove the screws (1) securing the coil assemblies to the ignition control module.
  3. Remove the coil(s) (2) from the ignition control module (3).

Installation Procedure


    Object Number: 12299  Size: SH
  1. Attach the coil(s) to the ignition control module.
  2. Install the ignition coil attaching screws.
  3. Tighten
    Tighten the screws to 5 N·m (40 lb in).

  4. Connect the spark plug wires to the coil(s) assemblies.