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how to fix Ford F-150 brake light that stays on - Ford F-150
Home/Cars/Ford/F-150/13th Generation (2015-2020)/how to fix Ford F-150 brake light that stays on

how to fix Ford F-150 brake light that stays on

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

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
466 words

Problem Statement

Learn how to diagnose and fix the brake light issue on your Ford F-150. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component
Brakes
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

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

Symptoms

  • •Brake light remains on continuously
  • •Brake pedal feels stiff or unresponsive
  • •Check brake system warning light illuminated on the dashboard
  • •Increased battery drain when the vehicle is off
  • •Unusual clicking sound when the brake pedal is pressed

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

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

  • •Socket set
  • •Screwdriver set
  • •Multimeter

Parts Required

  • •Replacement brake light switch
  • •Brake light bulbs

Additional Information

Affected Component
Brakes
Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
3 items
Parts Required
2 items

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Park the vehicle on a flat surface and engage the parking brake.
  • Disconnect the negative battery terminal to prevent electrical shorts.
2. Inspect and Adjust the Brake Light Switch
  • Locate the brake light switch, usually positioned above the brake pedal.
  • Check for any signs of damage or misalignment.
  • If misaligned, adjust the switch so it engages when the brake pedal is pressed and disengages when the pedal is released.
3. Replace the Brake Light Switch (if necessary)
  • If the switch is faulty, disconnect the wiring harness from the switch.
  • Remove the mounting screws or clips securing the switch.
  • Install the new brake light switch by reversing the removal process:
    • Position the new switch in place and secure it with screws or clips.
    • Reconnect the wiring harness ensuring a tight fit.
4. Test the Brake Light System
  • Reconnect the negative battery terminal.
  • Turn on the vehicle and check if the brake light operates correctly.
  • Press the brake pedal and confirm the light turns on and off as intended.