how to troubleshoot my Ford F-150 12th Generation (2009-2014) when the windshield wipers won't work

Ford F-150 12th Generation (2009-2014)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

518 words

Problem Statement

Learn how to troubleshoot and fix windshield wipers not working on Ford F-150 12th Generation. Step-by-step guide with diagnostic and repair instructions.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shorts.

Symptoms

•Wipers do not operate at any speed
•Wiper control stalk does not engage
•No sounds or movements from the wiper motor
•Washer fluid does not spray
•Warning light on the dashboard (if applicable)

Diagnostic Steps

1
Check the wiper fuse in the fuse box for any signs of being blown.
2
Use an OBD-II scanner to check for any related error codes.
3
Inspect the wiper control switch for continuity and proper function.
4
Test the wiper motor by applying direct battery voltage to it.
5
Examine wiring and connectors for damage or corrosion.
6
Check the wiper relay for proper operation.

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
•Screwdrivers
•Pliers

Parts Required

•Wiper fuse (if blown)
•Wiper motor (if faulty)
•Wiper control switch (if faulty)

Related Faults

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Diagnostic Steps

1
Check the wiper fuse in the fuse box for any signs of being blown.
2
Use an OBD-II scanner to check for any related error codes.
3
Inspect the wiper control switch for continuity and proper function.
4
Test the wiper motor by applying direct battery voltage to it.
5
Examine wiring and connectors for damage or corrosion.
6
Check the wiper relay for proper operation.

Solution

1. Preparation

Tools Required:
- Multimeter
- Fuse puller
- Screwdrivers
- Pliers
Ensure the vehicle is parked on a level surface and the ignition is off.

2. Check and Replace Fuse

Locate the fuse box (usually found under the dashboard or in the engine compartment).
Identify the wiper fuse using the diagram on the cover.
Remove the fuse using a fuse puller or pliers.
Inspect the fuse for any breaks in the wire; if blown, replace it with a fuse of the same amperage.

3. Inspect Wiper Motor and Relay

Remove any covers or panels obstructing access to the wiper motor and relay.
Disconnect the wiper motor connector.
Use a multimeter to check for voltage at the connector while the wiper switch is activated.
If no voltage is detected, check the relay by swapping it with another relay of the same type in the fuse box.
If the relay is faulty, replace it.

4. Test Wiper Motor

Connect the wiper motor directly to a battery (12V).
If the motor does not operate, it may need to be replaced.
If it runs, the issue is likely upstream (wiring or switch).

5. Replace Wiper Control Switch (if necessary)

Disconnect the battery to avoid electrical shorts.
Remove the steering column cover.
Unscrew and disconnect the wiper control switch.
Install the new switch, ensuring all connections are secure.
Reassemble the steering column cover.