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

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

465 words

Problem Statement

Learn how to diagnose and fix flickering dashboard lights in a 2020-present Ford Explorer. 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 avoid shock or shorts.

Symptoms

•Dashboard lights flickering intermittently
•Possible dimming of interior lights
•Check engine light may illuminate
•Electrical components may malfunction
•Battery warning light may appear
•Issues with power 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.
3
Test the battery voltage with a multimeter to ensure it is within normal range.
4
Check the alternator output while the engine is running.
5
Examine the fuse box for any blown fuses related to dashboard lights and electrical components.
6
Inspect wiring harnesses and connections 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
•Wire brush
•Socket set
•Screwdrivers

Parts Required

•Replacement fuses
•New alternator

Related Faults

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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.
3
Test the battery voltage with a multimeter to ensure it is within normal range.
4
Check the alternator output while the engine is running.
5
Examine the fuse box for any blown fuses related to dashboard lights and electrical components.
6
Inspect wiring harnesses and connections for any signs of wear or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the engine is off.
Disconnect the negative battery terminal to prevent electrical shock.

2. Clean and Tighten Battery Connections

Sub-steps:
- Remove the battery terminals, starting with the negative (-) terminal.
- Clean the terminals and battery posts using a wire brush to remove corrosion.
- Reattach and tighten the battery terminals securely.

3. Replace Blown Fuses

Sub-steps:
- Locate the fuse box, typically found under the dashboard or in the engine compartment.
- Identify any blown fuses related to the dashboard and replace them with fuses of the same amperage.
- Ensure the new fuses are seated properly in their slots.

4. Test and Replace the Alternator (if needed)

Sub-steps:
- If the alternator output was low during testing, disconnect the battery again.
- Remove the alternator by loosening the mounting bolts and disconnecting the wiring harness.
- Install a new alternator, ensuring all connections are secure and torque the bolts to manufacturer specifications.
- Reconnect the battery terminals.