why is my Ford Explorer Sixth Generation (2020-present) dashboard lights flickering

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

513 words

Problem Statement

Learn how to diagnose and fix flickering dashboard lights in Ford Explorer (2020-2023). 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 electrical systems to prevent shocks and short circuits.

Symptoms

•Dashboard lights intermittently flicker
•Possible dimming or brightening of the lights
•Warning lights may illuminate or flash
•Audio system may exhibit glitches or resets
•Inconsistent operation of other electronic components (e.g., windows or locks)

Diagnostic Steps

1
Inspect the battery terminals for corrosion or loose connections.
2
Use an OBD-II scanner to check for any stored error codes related to the electrical system.
3
Verify the voltage output of the alternator using a multimeter.
4
Check the vehicle's ground connections for corrosion or looseness.
5
Inspect the fuse box for any blown fuses or loose connections.
6
Examine wiring harnesses for damage, frays, or shorts.

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
•Wire brush
•Socket set

Parts Required

•Replacement fuses (if applicable)
•New alternator (if faulty)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the battery terminals for corrosion or loose connections.
2
Use an OBD-II scanner to check for any stored error codes related to the electrical system.
3
Verify the voltage output of the alternator using a multimeter.
4
Check the vehicle's ground connections for corrosion or looseness.
5
Inspect the fuse box for any blown fuses or loose connections.
6
Examine wiring harnesses for damage, frays, or shorts.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the negative battery terminal to ensure safety.
Ensure the vehicle is parked on a level surface and the ignition is off.

2. Battery Terminal Inspection

Sub-steps:
1. Remove the battery terminal covers if applicable.
2. Use a wire brush to clean any corrosion from the terminals and cable connectors.
3. Tighten the connections securely before reattaching the terminals.

3. Alternator Voltage Test

Tools Required: Multimeter
Sub-steps:
1. Reconnect the battery terminal.
2. Start the engine and let it idle.
3. Set the multimeter to measure DC voltage.
4. Place the multimeter leads on the battery terminals; a reading of 13.7 to 14.7 volts indicates a functional alternator.
5. If the reading is below this range, consider replacing the alternator.

4. Ground Connection Inspection

Sub-steps:
1. Locate the ground connections (usually near the battery and engine block).
2. Remove the ground connections and clean the contact points.
3. Reattach securely to ensure a solid connection.

5. Fuse Box Inspection

Sub-steps:
1. Open the fuse box cover and inspect all fuses related to the dashboard and electrical systems.
2. Replace any blown fuses with the correct amperage rating.
3. Ensure the fuse box connections are secure.

6. Wiring Inspection

Sub-steps:
1. Visually inspect the wiring harnesses for any signs of damage or wear.
2. Repair or replace any damaged wiring.
3. Ensure all connectors are plugged in securely.