GM Service Manual Online
For 1990-2009 cars only

Disconnect Procedure

  1. Record all preset and theft codes from the radio.
  2. Turn the ignition switch to the LOCK position.
  3. Verify that all the electrical components are off such as interior lights, the underhood lamp, etc.
  4. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .

  5. Object Number: 1231396  Size: SH
  6. Remove the rear battery cover bolts (1) and cover (2).
  7. Disconnect negative battery cable.

Connect Procedure

  1. Verify that all electrical components are off such as interior lights, the underhood lamp, etc.
  2. Clean any corrosion from the negative battery cable using a wire brush.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Connect the negative battery cable.
  5. Tighten
    Tighten the cable bolt to 15 N·m (11 lb ft).


    Object Number: 1231396  Size: SH
  6. Install the rear battery cover (2) and nuts (1).
  7. Tighten
    Tighten nuts to 10 N·m (89 lb in).

  8. Lower the vehicle.
  9. Reset the radio presets and theft codes.
  10. Perform the reinitialization of the power windows. Refer to Power Window Reinitialization .