GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the electrical center cover.

  2. Object Number: 675478  Size: SH
  3. Remove the blower motor relay from the electrical center.

Installation Procedure


    Object Number: 675478  Size: SH
  1. Install the blower motor relay to the electrical center.
  2. Install the electrical center cover.