GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 603646  Size: SH
  1. Remove control assembly. Refer to Control Assembly Replacement .
  2. Disconnect the blower switch electrical connector.

  3. Object Number: 603647  Size: SH
  4. Remove the blower switch from the lock tabs.
  5. Remove the blower switch from the control assembly.

Installation Procedure


    Object Number: 603647  Size: SH
  1. Install the blower switch to the control assembly.

  2. Object Number: 603646  Size: SH
  3. Connect the blower switch electrical connector.
  4. Install the control assembly. Refer to Control Assembly Replacement .