GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Caution: To help avoid personal injury, be careful when working in the vicinity of the generator battery disconnect control module. Internal components will still be live, 36V potential, even when the cover has been opened or removed.


    Object Number: 1831461  Size: SH
  1. Disconnect the hybrid battery. Refer to Hybrid Battery Service Disconnect/Connect .
  2. Remove the plastic nut (1) from the 36-volt negative battery cable lead.
  3. Remove the 36-volt negative battery cable lead from the generator battery.

  4. Object Number: 1820195  Size: SH
  5. Remove the 36 volt negative battery cable ground nut (8).

  6. Object Number: 1831789  Size: SH
  7. Remove the 36 volt negative battery cable clip (1) from the generator battery carrier bracket.
  8. Remove the 36 volt negative battery cable (2) from the ground stud.

Installation Procedure


    Object Number: 1831789  Size: SH
  1. Install the 36 volt negative battery cable (2) to the ground stud.
  2. Install the 36 volt negative battery cable clip (1) to the generator battery carrier bracket.
  3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1820195  Size: SH
  4. Install the 36 volt negative battery cable ground nut (8).
  5. Tighten
    Tighten the nut to 9 N·m (80 lb in).


    Object Number: 1831461  Size: SH

    Important: Position the plastic nut to the negative battery cable and ensure that the nipple is inserted to the terminal prior to installing the negative cable to the generator battery, Otherwise damage to the nut may occur.

  6. Position the plastic nut (1) to the 36-volt negative battery cable lead ensuring that the nipple on the plastic nut is inserted through the hole in the terminal.
  7. Install the 36-volt negative battery cable lead and nut to the generator battery.
  8. Tighten
    Tighten the nut to 10.7 N·m (95 lb in).

  9. Connect the hybrid battery. Refer to Hybrid Battery Service Disconnect/Connect .