GM Service Manual Online
For 1990-2009 cars only

Battery Negative Cable Disconnection and Connection Except Auxiliary

Disconnection Procedure

  1. Open the rear compartment lid.

  2. Object Number: 1949820  Size: SH
  3. Remove the left-hand cargo area carpet side access panel (1) from the left-hand cargo area carpet side (2).
  4. Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1949818  Size: SH

    Important: Clean any existing corrosion from the battery terminal and the battery negative cable end.

  5. Remove the battery negative cable to battery terminal retaining nut (1).

Connect Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1949818  Size: SH

    Important: Clean any existing corrosion from the battery terminal and the battery negative cable end.

  1. Connect the battery negative cable to the battery.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the battery negative cable to battery terminal retaining nut (1), Tighten the battery negative cable nut.
  4. Tighten
    Tighten the nut to 17 N·m (13 lb ft).


    Object Number: 1949820  Size: SH
  5. Install the left-hand cargo area carpet side access panel (1) in the left-hand cargo area carpet side (2).
  6. Close the rear compartment lid.

Battery Negative Cable Disconnection and Connection Auxiliary

Removal Procedure


    Object Number: 2017814  Size: SH

    Important: The auxiliary battery is located in the luggage compartment in the RHS rear quarter panel cavity.

  1. Loosen and detach the auxiliary battery top cover retaining strap (1).

  2. Object Number: 2017815  Size: SH
  3. Remove the auxiliary battery top cover  (1) from the auxiliary battery box (2).
  4. Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 2017819  Size: SH
  5. Remove the battery negative cable to battery terminal retaining nut (3).
  6. Important: Clean any existing corrosion from the battery negative terminal (2) and the battery negative cable (1).

  7. Remove the battery negative cable (1) from the battery negative terminal (2).

Installation Procedure


    Object Number: 2017819  Size: SH
  1. Install the battery negative cable (1) to the battery negative terminal (2).
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the battery negative cable to battery negative terminal retaining nut (3).
  4. Tighten
    Tighten the nut to 17  N·m (13 lb ft).


    Object Number: 2017815  Size: SH
  5. Install the auxiliary battery top cover (1) to the auxiliary battery box (2).

  6. Object Number: 2017814  Size: SH
  7. Attach and tighten the auxiliary battery top cover retaining strap (1).
  8. Test the vehicles electrical components for correct operation.