GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1863926  Size: SH
  1. Remove the battery. Refer to Battery Replacement.
  2. Disconnect the engine control module (ECM) connectors.
  3. Remove the ECM from the battery tray.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1863926  Size: SH
  1. Install the ECM using the ECM bracket bolts and tighten to 12 N·m (106 lb in).
  2. Connect the ECM connectors.
  3. Install the battery. Refer to Battery Replacement.