GM Service Manual Online
For 1990-2009 cars only
  1. Remove the steering column tilt head housing. Refer to Steering Column Tilt Head Housing - Disassemble - Off Vehicle .

  2. Object Number: 323846  Size: SH
  3. If necessary, disconnect the connector from the windshield wiper and washer switch assembly.
  4. Remove the windshield wiper and washer switch assembly in the following way:
  5. 3.1. Press on the locking tabs of the windshield wiper and washer switch assembly.
    3.2. Pull the windshield wiper and washer switch assembly out of the signal switch housing.

    Object Number: 580453  Size: SH
  6. Remove the 2 pan head tapping screws (1).
  7. Remove the signal switch housing (2).