GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Position the rear view mirror away from rain sensor, in order to obtain access to the rain sensor.
  2. Notice: Refer to General Repair Instructions in the Preface section.


    Object Number: 1939992  Size: SH
  3. Disconnect the rain sensor (2) electrical connector (1).
  4. Using a suitable tool Separate the rain sensor covers.
  5. Slide the rain sensor (2) downward off the rain sensor boss.

Installation Procedure


    Object Number: 1939993  Size: SH
  1. Position the rain sensor (2) on to the rain sensor boss.
  2. Slide the rain sensor (2) upward onto the rain sensor boss, slightly pull onto the rain sensor to confirm fitting.
  3. Lock the two rain sensor covers together, slightly pull onto the rain sensor to confirm fitting.
  4. Connect the rain sensor (2) electrical connector (1).
  5. Position the rear view mirror into its original position.