GM Service Manual Online
For 1990-2009 cars only

Battery Negative Cable Disconnection and Connection LZ4, LY7, and LE5

Disconnect Procedure

Caution: Refer to SIR Caution in the Preface section.

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


    Object Number: 1578418  Size: SH
  1. Record all of the vehicle preset radio stations.
  2. Turn OFF all the lamps and the accessories.
  3. Make sure the ignition switch is in the OFF position.
  4. Remove the battery cover. Disengage the retainers in order to remove the cover.

  5. Object Number: 1275980  Size: SH
  6. Disconnect the negative battery cable from the battery.

Connect Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1275980  Size: SH

    Important: Clean any existing oxidation from the contact face of the battery terminal and battery cable using a wire brush before installing the battery cable to the battery terminal.

  1. Connect the negative battery cable to the battery.
  2. Tighten
    Tighten the bolt to 17 N·m (13 lb ft).


    Object Number: 1578418  Size: SH
  3. Install the battery cover.
  4. 2.1. Install the locking tab next to the strut tower first.
    2.2. Install the locking tab next to the engine second.
    2.3. Install the locking tab next to the powertrain control module (PCM) last.
  5. Reset the radio stations and the clock.
  6. Re-initialize the power windows. Refer to Power Window Reinitialization.

Battery Negative Cable Disconnection and Connection LAT

Removal Procedure

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


    Object Number: 1891198  Size: SH
  1. Turn on the radio and record all of the customer's radio station presets.
  2. Ensure that all lamps and accessories are turned off.
  3. Turn the ignition OFF and remove the ignition key.
  4. Open the hood.
  5. Remove the generator battery control module cover. Refer to Generator Control Module Cover Replacement.
  6. Loosen the negative battery cable nut (1).
  7. Remove the negative battery cable (2) from the battery.

Installation Procedure

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


    Object Number: 1891198  Size: SH
  1. Install the negative battery cable (2) to the battery.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Tighten the negative battery cable nut (1).
  4. Tighten
    Tighten the nut to 10 N·m (89 lb in).

  5. Install the generator battery control module cover. Refer to Generator Control Module Cover Replacement.
  6. Close the hood.
  7. Insert the ignition key and turn the ignition to the ON position.
  8. Program all of the customer's radio station presets and set the radio clock to the current time.