GM Service Manual Online
For 1990-2009 cars only

With the proper care, the battery will last many years.

The following factors may reduce the battery performance level:

  1. Vehicle accessories left on overnight.
  2. Insufficient time in order to recharge the battery.
  3. Short trips or slow average driving speeds for long periods of time may cause insufficient charging time.

  4. The vehicle's electrical load is greater than the generator output.
  5. The addition of aftermarket equipment often causes the above condition.

  6. The following charging system conditions:
  7. • Poor ground circuits
    • Electrical shorts
    • A slipping drive belt
    • A faulty generator
  8. The following methods of improper installation of aftermarket equipment affect the generator:
  9. • Structural failure of aftermarket mounting brackets
    • Misaligned pulleys
    • Loose belts
  10. Failure to keep the battery cable terminals clean and tight.
  11. Operating the battery with a loose battery hold-down.
  12. Pinched wires or a cracked battery case resulting from a collision may cause improper mechanical conditions in the electrical system.
  13. Inspect the outside of the battery periodically for damage, such as a cracked cover or case.