my Ford Explorer Fifth Generation (2011-2019) dashboard lights are flickering, what could be wrong?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

525 words

Problem Statement

Learn how to diagnose and fix flickering dashboard lights in Ford Explorer (2011-2019). Step-by-step guide with diagnostic procedures 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 the electrical system to prevent shocks.
•Allow the engine to cool before performing any inspections in the engine bay.

Symptoms

•Flickering dashboard lights
•Dim or intermittent illumination of lights
•Possible accompanying electrical system warning lights
•Malfunctioning or erratic behavior of other electrical components
•Increased engine cranking time or difficulty starting

Diagnostic Steps

1
Scan the vehicle's OBD-II system for any error codes related to electrical components.
2
Inspect the battery terminals for corrosion or loose connections.
3
Test the battery voltage with a multimeter (should be around 12.6 volts when off).
4
Start the vehicle and measure the voltage across the battery terminals (should be between 13.7 to 14.7 volts with the engine running).
5
Check for any blown fuses in the dashboard light circuit.
6
Inspect the wiring harness for any signs of wear or damage.

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
•Wrench set
•Wire brush

Parts Required

•Battery (if replacement is needed)
•Alternator (if replacement is needed)
•Fuses (if blown)

Related Faults

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Diagnostic Steps

1
Scan the vehicle's OBD-II system for any error codes related to electrical components.
2
Inspect the battery terminals for corrosion or loose connections.
3
Test the battery voltage with a multimeter (should be around 12.6 volts when off).
4
Start the vehicle and measure the voltage across the battery terminals (should be between 13.7 to 14.7 volts with the engine running).
5
Check for any blown fuses in the dashboard light circuit.
6
Inspect the wiring harness for any signs of wear or damage.

Solution

1. Preparation

Gather tools and parts required.
Disconnect the negative battery terminal to prevent electrical shock.
Ensure the vehicle is on a flat surface and in park.

2. Inspect Battery and Connections

Tools Required: Wrench set, wire brush, multimeter.
Sub-steps:
1. Remove the battery terminals (negative first, then positive).
2. Clean the terminals and cable ends with a wire brush if corrosion is present.
3. Reconnect the terminals securely (positive first, then negative).

3. Test and Replace Battery (if needed)

Tools Required: Multimeter, battery tester.
Sub-steps:
1. Reconnect the battery and use the multimeter to check the voltage again.
2. If the battery voltage is below 12.4 volts, consider replacing the battery.
3. If necessary, remove the battery and replace it with a new one, ensuring all connections are tight.

4. Test Alternator Output

Tools Required: Multimeter.
Sub-steps:
1. Start the engine and measure the voltage at the battery terminals again.
2. If the voltage is below 13.7 volts, the alternator may be faulty.
3. Replace the alternator if it fails to produce proper voltage, following manufacturer guidelines.

5. Inspect Wiring Harness

Tools Required: Visual inspection tools.
Sub-steps:
1. Visually inspect the wiring harness for any signs of damage or fraying.
2. Repair or replace any damaged wiring as necessary.