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: 1892883  Size: SH
  1. Disconnect the hybrid battery. Refer to Hybrid Battery Service Disconnect/Connect.
  2. Remove the plastic nut (2) from the generator battery disconnect control module negative stud.
  3. Remove the 36-volt negative battery cable lead (1) from the generator battery disconnect control module negative stud.

  4. Object Number: 1893005  Size: SH
  5. Remove the 36-volt negative battery cable ground nut (1).

  6. Object Number: 1893009  Size: SH
  7. Remove the 36-volt negative battery cable (1) from the vehicle.

Installation Procedure


    Object Number: 1893009  Size: SH
  1. Install the 36-volt negative battery cable (1) to the vehicle.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1893005  Size: SH
  3. Install the 36 volt negative battery cable ground nut (1).
  4. Tighten
    Tighten the nut to 9 N·m (80 lb in).


    Object Number: 1892883  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.

  5. Position the plastic nut (2) to the 36-volt negative battery cable lead ensuring that the nipple on the plastic nut is inserted through the hole in the terminal.
  6. Install the 36-volt negative battery cable lead (1) and nut to the generator battery disconnect module negative stud.
  7. Tighten
    Tighten the nut to 10.7 N·m (95 lb in).

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