why are my Ford F-150 windshield wipers not working properly

Ford F-150 13th Generation (2015-2020)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

505 words

Problem Statement

Learn how to diagnose and fix windshield wipers not working on Ford F-150. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the negative battery terminal before working on electrical systems to prevent shocks or shorts.

Symptoms

•Windshield wipers do not activate at all
•Wipers operate only on certain settings (e.g., low or high)
•Wipers move erratically or at inconsistent speeds
•Wiper motor makes a clicking sound but does not move the wipers
•Streaking or poor visibility due to worn wiper blades

Diagnostic Steps

1
Check the wiper switch for proper operation by turning it to different settings.
2
Inspect the fuse box for a blown fuse related to the windshield wipers.
3
Use a multimeter to test the wiper motor for continuity.
4
Inspect the wiring and connectors leading to the wiper motor for damage or corrosion.
5
Check the wiper linkage for any signs of disconnection or wear.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Multimeter
•Fuse puller
•Socket set
•Screwdriver set

Parts Required

•Replacement wiper motor (if faulty)
•Replacement wiper blades (if worn)

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Diagnostic Steps

1
Check the wiper switch for proper operation by turning it to different settings.
2
Inspect the fuse box for a blown fuse related to the windshield wipers.
3
Use a multimeter to test the wiper motor for continuity.
4
Inspect the wiring and connectors leading to the wiper motor for damage or corrosion.
5
Check the wiper linkage for any signs of disconnection or wear.

Solution

1. Preparation

Gather tools and parts required for the repair.
Disconnect the negative battery terminal for safety.

2. Inspect and Replace the Fuse

Locate the fuse box and find the fuse for the windshield wipers.
Remove the fuse using a fuse puller.
Inspect the fuse for continuity; replace if blown.
Reinstall the fuse and reconnect the battery.

3. Test the Wiper Motor

Reconnect the negative battery terminal.
Turn on the wiper switch to check for operation.
If the motor does not activate, proceed to test for power at the wiper motor connector using a multimeter.
If power is present and the motor does not operate, replace the wiper motor.

4. Repair or Replace Wiring

If there is no power at the motor connector, trace back the wiring to identify any breaks or corrosion.
Repair any damaged wires by soldering or using appropriate connectors.
Ensure all connections are tight and corrosion-free.

5. Replace Wiper Blades (if necessary)

Lift the wiper arms away from the windshield.
Remove the old wiper blades by pressing the release tab and sliding them off the arm.
Install new wiper blades by sliding them onto the arm until they click into place.
Lower the wiper arms back onto the windshield.