GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1999 🢒 Catera 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Headlamp Bulb Replacement

Removal Procedure
  1. Open the hood.

    2. Object Number: 159414 Size: SH
  2. Unscrew the self-locking tab on the radiator cover.
  3. Unclip the radiator cover from the body to remove the radiator cover.
  4. Remove the battery if replacing left front headlamp bulb. Refer to Battery Replacement in Engine Electrical.
  5. Remove the rubber protective cover from the back of the headlamp to reveal the bulb.

    6. Object Number: 159416 Size: SH
  6. Separate the bulb fastening tangs (1).
  7. Carefully remove the bulb.
  8. Remove the electrical connection from the bulb.

Installation Procedure
  1. Install the electrical connection to the bulb.

    2. Object Number: 159416 Size: SH
  2. Snap the fastening tang (1) in place to install the bulb.
  3. Install the rubber protective cover to the back of the headlamp.
  4. Install the battery if left front headlamp bulb was replaced. Refer to Battery Replacement in Engine Electrical.

    5. Object Number: 159414 Size: SH
  5. Seat the tab to the body of the radiator cover.
  6. Secure the radiator cover by turning the self-locking tab.
  7. Close the hood.
  8. Reprogram the applicable accessories if the left front headlamp bulb was replaced. Refer to Reprogramming Accessories After Battery Disconnect in Engine Electrical.