GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection
  2. Remove the instrument panel upper trim pad. Refer to Instrument Panel Upper Trim Pad Replacement

  3. Object Number: 427732  Size: SH
  4. Disconnect the sunload temperature sensor (1) and the daytime running lamp light sensor (3) from the defroster grille.
  5. Disconnect the electrical connector (2) to the sun load temperature sensor.
  6. Remove the sunload sensor (1).

Installation Procedure


    Object Number: 427732  Size: SH
  1. Connect the electrical connector (2) to the sun load sensor.
  2. Install the sun load temperature sensor (1) and the daytime running lamp light sensor (3) to the defroster grille.
  3. Install the instrument panel upper trim pad. Refer to Instrument Panel Upper Trim Pad Replacement
  4. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection