1989 Chevy pickup wiper motor only works in high position no low or intermediate what would cause this?

1. Why do my wipers only work on high speed?
2. Why won't my intermittent wipers work?
3. How do you test a wiper control module?
4. How do I reset my wiper park position?
5. Where is the wiper control module?
6. What does a wiper Pulse Board do?
7. Where is the wiper relay?
8. What does a multifunction switch do?
9. How do you know if your windshield wiper switch is bad?
10. Why do my wiper blades stop in the up position?
11. Can you hear windshield wiper motor But wipers not moving?

Why do my wipers only work on high speed?

1. The windshield wiper blades have one speed. ... The relay switch sends an electrical signal to the module that controls the operation of the wiper motor and gears inside. When the relay is faulty, the windshield wipers will only work at the same speed that the last relay signal was sent.

Why won't my intermittent wipers work?

Your wiper relay could be bad if the low and high speed wiper positions function properly but the intermittent function stops working. Any combination of positions working or not working is a good indication of a faulty relay.

How do you test a wiper control module?

Use the fuse pattern shown on the cover and locate the wiper motor fuse. Test the fuse using your twelve volt test light. Clip the ground lead to a solid ground source and touch the positive lead to each side of the fuse. If the test light lights up on both terminals, the fuse is good.

How do I reset my wiper park position?

Use a socket wrench to remove the nut located at the center of the wiper motor. This nut connects the arm linkage to the motor. Turn the wipers on, then back off, so the motor completes a full cycle and returns to the correct park position.

Where is the wiper control module?

Location. The wipe control module is mounted under the driver's side dashboard, next to the door buzzer box. It is a black module with two white, five-pin connectors plugged into it, and a ground wire screwed onto the side. It is normally secured with two screws, but it may also simply be taped in place.

What does a wiper Pulse Board do?

It is located underneath the dashboard, above the brake and accelerator pedal, and is responsible for the complete operation of the windshield wiper system. This device controls intermittent wiper operation, high/low speed wiping, and obviously turns the wipers on or off.

Where is the wiper relay?

Internal Relay

In some vehicles, the wiper relay switch is inside the actual windshield wiper motor. If it fails, the entire motor needs to be replaced, as you can't get parts to fix it.

What does a multifunction switch do?

All About the Multifunction Switch

Multifunction switch levers control headlights, flashers, wipers and intermittent windshield washers. The MFS is usually held in place by hex-head or Torx screws. Remove them, pull out the switch and disconnect the electrical connector.

How do you know if your windshield wiper switch is bad?

Common signs include windshield wipers not turning on or off, not changing speed or settings, and the turn signals not working.

Why do my wiper blades stop in the up position?

Generally, when windshield wipers get stuck in the upright position it's because of a small metal tab that the wiper transmission is supposed to catch on gets bent out of place. You can access the wiper transmission by pulling off the foam strip and plastic cover that sits below your windshield.

Can you hear windshield wiper motor But wipers not moving?

If upon turning the switch, you hear either a buzzing or a noise coming from the wiper area but no movement of the windshield wipers, then it becomes likely that there is a mechanical problem. ... If you hear a buzz, it could be a motor straining to move a jammed wiper transmission or a locked motor gear.