GM Service Manual Online
For 1990-2009 cars only

Checks

Actions

Inspect the wiper switch for damage.

Replace the wiper switch. Refer to Windshield Wiper and Washer Switch Replacement .

Inspect the wiper switch for improper installation.

Remove and inspect the wiper switch. Refer to Windshield Wiper and Washer Switch Replacement . Reinstall the wiper switch.