how to troubleshoot Ford Explorer Fifth Generation (2011-2019) electrical issues

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

590 words

Problem Statement

Step-by-step guide to troubleshoot electrical issues in Ford Explorer (2011-2019). Learn diagnostic steps, tools needed, 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 avoid shocks or shorts.
•Allow electrical components to cool before handling if the vehicle has been running.

Symptoms

•Dashboard warning lights illuminated
•Power windows or locks malfunctioning
•Inconsistent operation of lights (headlights, taillights, interior lights)
•Audio system failure or intermittent sound
•Non-functioning dashboard gauges
•Battery draining quickly or difficulty starting

Diagnostic Steps

1
Check the battery voltage with a multimeter to ensure it is within the 12.4-12.7V range when the engine is off.
2
Inspect battery terminals and cables for corrosion, looseness, or damage.
3
Use an OBD-II scanner to check for any stored error codes that may indicate specific electrical faults.
4
Examine fuses in the fuse box for any blown fuses and replace as necessary.
5
Inspect wiring harnesses and connectors for signs of wear, damage, or loose connections.
6
Test components (e.g., power windows, locks, lights) individually to identify any faulty parts.

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

•Multimeter
•Wire brush
•Fuse puller
•Electrical contact cleaner

Parts Required

•Replacement fuses
•Electrical connectors (if damaged)
•New battery (if necessary)

Related Faults

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Diagnostic Steps

1
Check the battery voltage with a multimeter to ensure it is within the 12.4-12.7V range when the engine is off.
2
Inspect battery terminals and cables for corrosion, looseness, or damage.
3
Use an OBD-II scanner to check for any stored error codes that may indicate specific electrical faults.
4
Examine fuses in the fuse box for any blown fuses and replace as necessary.
5
Inspect wiring harnesses and connectors for signs of wear, damage, or loose connections.
6
Test components (e.g., power windows, locks, lights) individually to identify any faulty parts.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and turn off the ignition.
Disconnect the battery by removing the negative terminal.

2. Battery Inspection

Use a multimeter to measure battery voltage.
- If the voltage is low, charge or replace the battery.
Clean battery terminals with a wire brush if corrosion is present.
Reconnect the battery terminals securely.

3. Fuse Inspection

Open the fuse box and locate the relevant fuses for the malfunctioning components.
Remove each fuse using a fuse puller or pliers, and inspect for a break in the filament.
- Replace any blown fuses with the same amperage rating.
Ensure the fuse box cover is securely placed back in position.

4. Wiring and Connectors Inspection

Visually inspect the wiring harnesses for fraying, cuts, or corrosion.
Check connectors for tightness and cleanliness; clean with electrical contact cleaner if needed.
Repair any damaged wiring by splicing in new wire or using solder and heat shrink tubing.

5. Component Testing

Test each electrical component, such as power windows and locks, using a multimeter.
- For switches, check for continuity when activated.
- Replace any components that do not operate correctly or show signs of failure.

6. Final Reassembly

Ensure all connections are secure and all components are properly reinstalled.
Reconnect the battery by attaching the negative terminal.
Start the vehicle to verify all electrical systems are functioning properly.