my Ford F-150 12th Generation (2009-2014) wipers won’t stop running what’s wrong

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

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

551 words

Problem Statement

Learn how to diagnose and fix wipers that won't stop running on Ford F-150 12th Generation. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shock or short circuits.

Symptoms

•Wipers operate continuously regardless of the switch position
•Wipers do not respond to intermittent settings
•Wiper motor operates when the ignition is on, even with the vehicle off
•Possible water or debris accumulation around the wiper motor
•Potential blown fuses related to the wiper system

Diagnostic Steps

1
Inspect the wiper switch for damage or malfunction by visually checking for wear or corrosion.
2
Use an OBD-II scanner to check for any error codes related to the Body Control Module (BCM) that might indicate an electrical issue.
3
Examine the wiper motor and its wiring for any signs of shorts, frays, or corrosion.
4
Test the wiper relay by swapping it with another relay of the same type in the fuse box.
5
Check the fuse related to the wiper system for continuity and replace it if blown.
6
Inspect the BCM for any signs of water intrusion or electrical faults.

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

•OBD-II scanner
•Multimeter
•Socket set
•Screwdrivers

Parts Required

•Wiper relay
•Wiper switch (if faulty)
•Wiper motor (if faulty)

Related Faults

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Symptoms

•Wipers operate continuously regardless of the switch position

•Wipers do not respond to intermittent settings

•Wiper motor operates when the ignition is on, even with the vehicle off

•Possible water or debris accumulation around the wiper motor

•Potential blown fuses related to the wiper system

Diagnostic Steps

1
Inspect the wiper switch for damage or malfunction by visually checking for wear or corrosion.
2
Use an OBD-II scanner to check for any error codes related to the Body Control Module (BCM) that might indicate an electrical issue.
3
Examine the wiper motor and its wiring for any signs of shorts, frays, or corrosion.
4
Test the wiper relay by swapping it with another relay of the same type in the fuse box.
5
Check the fuse related to the wiper system for continuity and replace it if blown.
6
Inspect the BCM for any signs of water intrusion or electrical faults.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to ensure safety during repairs.
Tools Required:
- OBD-II scanner
- Multimeter
- Socket set
- Screwdrivers

2. Inspect and Replace Wiper Relay

Locate the fuse box under the dashboard or hood.
Identify the wiper relay using the fuse diagram.
Remove the wiper relay.
Test the relay with a multimeter for continuity.
If faulty, replace it with a new relay.
Reinstall the relay into the fuse box.

3. Inspect Wiper Switch

Remove the steering column cover using a screwdriver.
Disconnect the wiper switch connector.
Test the switch with a multimeter for proper function (check for continuity in each position).
If defective, replace the wiper switch with a new one.
Reconnect the switch and reassemble the steering column cover.

4. Check and Replace Wiper Motor

Disconnect the wiper motor connector.
Remove the wiper arms using a socket set and carefully pry off the arms if necessary.
Unscrew the wiper motor from its mounting location.
Test the motor using a multimeter for proper voltage and functionality.
If the motor is defective, replace it with a new one.
Reinstall the new motor and wiper arms, ensuring proper alignment.

5. Final Assembly

Reconnect the battery.
Test the wipers to ensure they operate correctly across all settings.