how to troubleshoot the headlights not working on my Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

520 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to troubleshoot and fix headlights not working on Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with diagnostic and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shock or short circuits.

Symptoms

•Headlights do not illuminate when switched on
•High beams are inoperative
•Dashboard light for headlights may be illuminated
•Parking lights function correctly
•Possible flickering of headlights before failure

Diagnostic Steps

1
Check the headlight switch position to ensure it is in the 'On' position.
2
Inspect the headlights for physical damage or burnt-out bulbs.
3
Use an OBD-II scanner to check for any related error codes.
4
Check the fuse box for blown fuses associated with the headlight circuit.
5
Measure voltage at the headlight connector using a multimeter.
6
Inspect the wiring and connectors for corrosion 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
•Socket set
•Screwdriver set
•Pliers
•Electrical cleaner

Parts Required

•Headlight bulbs (H11 and/or 9005)
•Fuses (if blown)

Related Faults

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Diagnostic Steps

1
Check the headlight switch position to ensure it is in the 'On' position.
2
Inspect the headlights for physical damage or burnt-out bulbs.
3
Use an OBD-II scanner to check for any related error codes.
4
Check the fuse box for blown fuses associated with the headlight circuit.
5
Measure voltage at the headlight connector using a multimeter.
6
Inspect the wiring and connectors for corrosion or damage.

Solution

1. Preparation

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

2. Inspect and Replace Bulbs

Sub-steps:
1. Remove the headlight assembly by unscrewing the retaining screws (usually located at the top and side).
2. Disconnect the wiring harness from the back of the headlight assembly.
3. Remove the bulb by twisting it counterclockwise and pulling it out.
4. Inspect the bulb for burn marks or broken filaments.
5. Replace with a new bulb (ensure it matches the specifications: typically H11 for low beam, 9005 for high beam).
6. Reinsert the bulb, twist it clockwise to secure it, and reconnect the wiring harness.
7. Reinstall the headlight assembly and secure it with screws.

3. Check and Replace Fuses

Sub-steps:
1. Locate the fuse box (usually found under the dashboard or in the engine compartment).
2. Use the fuse diagram to identify the headlight fuse (typically labeled).
3. Pull the fuse using a fuse puller or pliers and inspect it for continuity.
4. Replace with a new fuse of the same amperage if it is blown.
5. Reinstall the fuse and close the fuse box.

4. Repair Wiring and Connectors

Sub-steps:
1. Visually inspect all wiring leading to the headlights for fraying or breaks.
2. Clean any corroded connectors using electrical contact cleaner.
3. Repair any damaged wires using electrical tape or replace with new wiring as necessary.
4. Ensure all connections are tight and secure.