why does my Ford Explorer Fifth Generation (2011-2019) dashboard lights keep flickering

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

547 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

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shocks or shorts.
•Allow the engine to cool before working on components that may be hot.

Symptoms

•Dashboard lights flickering
•Instrument cluster lights dimming or brightening unexpectedly
•Potential dimming of headlights or interior lights
•Warning lights intermittently illuminating
•Possible loss of power to other electrical components

Diagnostic Steps

1
Inspect the vehicle's battery terminals for corrosion and secure connections.
2
Use an OBD-II scanner to check for any stored error codes related to electrical systems.
3
Check the alternator output voltage with a multimeter to ensure it is within the normal range (13.5 to 14.5 volts).
4
Inspect fuses related to the dashboard and lighting systems for any blown fuses.
5
Examine the wiring harnesses and connectors for signs of wear, damage, or loose connections.
6
Test the dashboard dimmer switch to ensure it is functioning properly.

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
•Pliers
•Safety goggles
•Gloves

Parts Required

•Replacement fuses (as needed)
•Alternator (if faulty)

Related Faults

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Diagnostic Steps

1
Inspect the vehicle's battery terminals for corrosion and secure connections.
2
Use an OBD-II scanner to check for any stored error codes related to electrical systems.
3
Check the alternator output voltage with a multimeter to ensure it is within the normal range (13.5 to 14.5 volts).
4
Inspect fuses related to the dashboard and lighting systems for any blown fuses.
5
Examine the wiring harnesses and connectors for signs of wear, damage, or loose connections.
6
Test the dashboard dimmer switch to ensure it is functioning properly.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the battery to prevent any electrical shorts.
Safety goggles and gloves should be worn for personal protection.

2. Clean Battery Terminals

Remove the battery cables using a socket set, starting with the negative terminal.
Clean the terminals with a wire brush to remove corrosion.
Reconnect the battery cables, ensuring a tight fit.

3. Check and Replace Fuses

Locate the fuse box and remove the cover.
Identify the specific fuses for the dashboard and lighting systems using the diagram on the fuse box cover.
Inspect each fuse; if any are blown, replace them with new fuses of the same amperage.

4. Inspect Wiring and Connections

Visually inspect all wiring related to the dashboard and electrical systems.
Check for frayed wires, damaged insulation, or loose connectors.
Repair or replace any damaged wiring or connectors as necessary.

5. Test and Replace Alternator (if needed)

Reconnect the battery and start the engine.
Using a multimeter, check the alternator output. If it is below 13.5 volts, the alternator may need replacement.
To replace the alternator:
- Remove the serpentine belt by loosening the tensioner.
- Disconnect the electrical connectors on the alternator.
- Remove the mounting bolts and take out the old alternator.
- Install the new alternator, reconnect the electrical connectors, and reattach the serpentine belt.