1. Bad Wiper Blade(s).
2. Improperly connected to wiper arm. See related link for troubleshooting.
3. Wiper Blade is binding on wiper arm for some other reason other than improperly installed.
4. Improper Wiper Arm Tension - clean and lubercate wiper arm hinge area at base of arm near hood. Replace spring if cleaning and lubercating doesn't work.
5. Bent wiper arm. BE CAREFUL HERE - THIS IS A LAST RESORT. Try bending arm back or replace arm.
The first position of the wiper stalk on my 306, is the 'intermittent' or auto position. The second is continuous slow, and the top position is continuous fast. If these do not work, then the stalk is broken!
I have had the exact same problem with my 1990 wrangler, I found out that unless the handel that allows you to open and shut the rear window is not in the exact closed position and the window is closed tight in place, the wiper will not work but the washer will. Just for fun once I realized this I tried to turn the rear wiper on with the window open and it did not work until I shut it. Hope it works for you.
My mechanic replaced a pin in my 2002 Pontiac Montana wiper motor and that solved the problem. It was a very easy fix. The pin is visible if you look at the top of the wiper motor.
The windshield needs to be folded into the down position to access the wiper motor. There are a couple cut-outs in the metal of the cowl that allows access to the wiper motor & linkage. There are release bolts on either side of the windshield & of course the top needs to be off.
If the front blower and the front windshield wiper do not work on a 2004 Chevy Trailblazer, it could be the fault of the relay switches on the blower and the wiper. Also check the fuse box on top of the battery for a multi-function fuse that might be blown.
Replace the locking tab on top of the wiper
1997-2006. The rear wiper wiring may not work on all years though.
Mounts on top of the wiper motor
Many wiper blades on a 1998 Grand Voyager are held in by a clip. Push the clip towards the arm, and then push the blade back. When the wiper blade is free from the hook, disconnect it from the arm by pushing the wiper down the arm a few inches. It will be free and easy to remove. Now remove the old wiper, and prepare the new wiper. Aim the hook towards the new wiper, it will go over the top. Push the blade towards the end of the arm, until it clicks. Once it clicks, it is in the correct position.
It is on top of the wiper motor itself. it's intergral.
Windshield Wiper Motor Removal & Installation Front 1. Turn the ignition switch to the ON position. Turn the ignition switch ON until the wiper blades are straight up, then turn the ignition switch OFF. 2. Disconnect the negative battery cable. 3. Remove the right-hand and left-hand windshield wiper arm and blade assemblies. 4. Remove the cowl top vent panels. 5. Detach the electrical hardness connector at the windshield wiper motor assembly. 6. Remove 3 wiper motor (module assembly) retaining bolts and remove the module assembly from the vehicle. 7. Remove the wiper linkage retaining bolt and remove the linkage from the wiper motor. 8. Remove 3 retaining nuts and remove the windshield wiper motor. To install; 9. Place the windshield wiper motor in position and install 3 retaining nuts. Tighten to 10-12 ft. lbs. (12-17 Nm). 10. Connect the wiper linkage to the windshield wiper motor and install the retaining bolt. Tighten the bolts to 14 ft. lbs. (20 Nm). 11. Place the wiper motor (module assembly) in position and install 3 retaining bolts. Tighten the bolts to 6 ft. lbs. (9Nm). 12. Install the electrical hardness connector to the windshield wiper motor. 13. Connect the negative battery cable. 14. Allow the windshield wiper motor to cycle several times while checking for proper wiper motor operation. 15. Turn the windshield wiper motor to the OFF position to park the wiper motor in the park position. 16. Install the cowl top vent panels. 17. Install the wiper arm and blade assemblies. Install the retaining nuts and tighten to 22-29 ft. lbs. (30-40 Nm). 18. Connect the negative battery cable. 19. Check the windshield wiper motor for proper operation and the wiper arms for adjustment.
The wiper warning symbol in the instrument panel usuallyindicates that the winshield wiper solvent fluid level is low.