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why does my Ford F-150 13th Generation (2015-2020) dashboard lights keep flickering - Ford F-150
Home/Cars/Ford/F-150/13th Generation (2015-2020)/why does my Ford F-150 13th Generation (2015-2020) dashboard lights keep flickering

why does my Ford F-150 13th Generation (2015-2020) dashboard lights keep flickering

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

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
511 words

Problem Statement

Learn how to diagnose and fix flickering dashboard lights in Ford F-150 (2015-2020). 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

  • •Flickering dashboard lights
  • •Inconsistent brightness of dashboard lights
  • •Possible accompanying dimming or brightening of exterior lights
  • •Warning lights intermittently illuminating
  • •Electrical components such as radio or climate control malfunctioning

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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
  • •Wire brush
  • •Electrical tape

Parts Required

  • •Replacement wiring harness (if damaged)
  • •New alternator (if faulty)

Additional Information

Affected Component
Electrical
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
5 items
Parts Required
2 items

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Solution
1. Preparation
  • Tools Required: OBD-II scanner, multimeter, socket set, wire brush, electrical tape
  • Ensure the vehicle is parked on a level surface and the ignition is off.
  • Disconnect the negative battery terminal to prevent electrical shorts.
2. Inspect and Adjust the Dashboard Dimmer Switch
  • Locate the dashboard dimmer switch.
  • Rotate the dimmer switch to see if it improves the flickering lights.
  • Ensure it is set to an appropriate brightness level.
3. Check Battery and Connections
  • Reconnect the negative battery terminal.
  • Use a multimeter to measure battery voltage; it should be between 12.4V and 12.7V when the vehicle is off.
  • Clean any corrosion from battery terminal connections using a wire brush and reconnect them securely.
4. Ground Connections Inspection
  • Locate the ground connections under the dashboard and near the battery.
  • Tighten any loose connections and clean any corroded areas with a wire brush.
  • Apply electrical tape to protect any exposed wires.
5. Wiring Harness Examination
  • Visually inspect the wiring harness leading to the dashboard and other electrical components.
  • Look for signs of wear, fraying, or damage; repair or replace any damaged wiring.
6. Alternator Testing
  • Start the vehicle and use a multimeter to measure the voltage at the battery; it should read between 13.7V and 14.7V.
  • If the voltage is outside this range, consider replacing the alternator.