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

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

636 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 diagnose and fix electrical issues in Ford Explorer Fifth Generation (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 components.

Symptoms

•Check engine light illuminated
•Power windows malfunctioning
•Inconsistent dashboard lights or warning indicators
•Audio system not functioning or intermittent
•Difficulty starting the engine or no response from ignition
•Random electrical component failures (e.g., lights, locks)

Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to check for error codes.
2
Inspect the battery for corrosion, loose connections, and ensure it is fully charged.
3
Check all fuses related to affected systems using a multimeter to test for continuity.
4
Visually inspect wiring harnesses for signs of damage, wear, or disconnection.
5
Test the alternator output to ensure it is providing adequate voltage.
6
Examine ground connections for corrosion or looseness that could affect electrical systems.

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
•Basic hand tools (socket set, screwdrivers)
•Wire brush

Parts Required

•New battery (if needed)
•Replacement fuses (as necessary)
•Wiring repair kits (if damaged wiring is found)
•New alternator (if needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to check for error codes.
2
Inspect the battery for corrosion, loose connections, and ensure it is fully charged.
3
Check all fuses related to affected systems using a multimeter to test for continuity.
4
Visually inspect wiring harnesses for signs of damage, wear, or disconnection.
5
Test the alternator output to ensure it is providing adequate voltage.
6
Examine ground connections for corrosion or looseness that could affect electrical systems.

Solution

1. Preparation

Tools Required: OBD-II scanner, multimeter, basic hand tools (socket set, screwdrivers).
Disconnect the vehicle's battery to ensure safety while working on electrical components.

2. Battery Inspection and Replacement

Sub-steps:
1. Inspect the battery terminals for corrosion and clean them using a wire brush.
2. Check the battery voltage with a multimeter; it should be around 12.6 volts when fully charged.
3. If the battery is faulty, remove it by loosening the negative (-) terminal first, followed by the positive (+) terminal.
4. Replace with a new battery of the same specifications and secure it in place.

3. Fuse Inspection and Replacement

Sub-steps:
1. Locate the fuse box, typically found under the dashboard or in the engine compartment.
2. Remove the cover and identify the fuses related to the malfunctioning systems.
3. Use a multimeter to test each fuse for continuity. Replace any blown fuses with the same amperage rating.
4. Reassemble the fuse box cover and reconnect the battery.

4. Wiring and Ground Connection Repair

Sub-steps:
1. Thoroughly inspect wiring harnesses for frayed wires, breaks, or signs of wear.
2. Repair any damaged wiring with electrical tape or heat-shrink tubing.
3. Locate and clean ground connections using a wire brush and reconnect them securely.
4. Ensure all connections are tight and free from corrosion.

5. Alternator Testing and Replacement

Sub-steps:
1. Start the vehicle and use a multimeter to measure voltage at the battery; it should read between 13.7 and 14.7 volts.
2. If the voltage is low, remove the alternator after disconnecting the battery.
3. Replace with a new or refurbished alternator and reassemble components.
4. Reconnect the battery and test the system again for proper operation.