GM Service Manual Online
For 1990-2009 cars only

Action

Normal Results

Pull the wiper lever toward you and release.

Windshield washer fluid will spray from the nozzles, and wipers will continue to wipe 2-3  times after the spray has stopped.

Move the windshield wiper switch to the INT (intermittent) position, and rotate the INT switch to each position and let the wipers cycle.

Position 3 - One wipe per approximately 2 seconds.

Position 2 - One wipe per approximately 7 seconds.

Position 1 - One wipe per approximately 12 seconds.

Move the INT switch to position 2. Pull the wiper lever toward you for 1-2 seconds.

The windshield washer fluid should spray the entire time the wiper lever is held back. Wipers should run at low speed, and continue to wipe 2-3  times after the spray has stopped.

Move the windshield wiper switch to the LOW (LO) position.

The windshield wiper will run at low speed.

Move the windshield wiper switch to the HIGH (HI) position.

The windshield wiper will run at high speed.

Move the windshield wiper switch to the OFF position.

The windshield wiper will run at slow speed, then park at the bottom of the windshield.

Move the windshield wiper switch to the mist position.

The windshield wiper will wipe one time at slow speed and then return to park.