my Ford Explorer won't start and just clicks what should I check

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

493 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 a no-start condition in Ford Explorer. Step-by-step guide with symptoms, diagnostic steps, 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.
•Allow the engine to cool before attempting to inspect components near the engine.

Symptoms

•Clicking sound from the starter relay or solenoid
•Dashboard lights dimming or flickering
•No engine cranking
•Possible electrical component failure (e.g., radio or lights)
•Battery warning light illuminated

Diagnostic Steps

1
Check the battery voltage with a multimeter to ensure it has at least 12.4 volts.
2
Inspect battery terminals for corrosion and ensure they are tightly connected.
3
Test the starter relay by swapping it with another relay of the same type in the fuse box.
4
Use a jumper wire to bypass the ignition switch and directly test the starter motor.
5
Check the fuses related to the starting system for any blown fuses.
6
Measure voltage at the starter motor while attempting to start the vehicle.

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
•Wrench set
•Jumper wire
•Battery terminal cleaner

Parts Required

•Battery (if found defective)
•Starter relay (if found faulty)
•Fuses (if blown)

Related Faults

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Diagnostic Steps

1
Check the battery voltage with a multimeter to ensure it has at least 12.4 volts.
2
Inspect battery terminals for corrosion and ensure they are tightly connected.
3
Test the starter relay by swapping it with another relay of the same type in the fuse box.
4
Use a jumper wire to bypass the ignition switch and directly test the starter motor.
5
Check the fuses related to the starting system for any blown fuses.
6
Measure voltage at the starter motor while attempting to start the vehicle.

Solution

1. Preparation

Gather tools: multimeter, wrench set, jumper wire, and a battery terminal cleaner.
Ensure the vehicle is in park (automatic) or neutral (manual) and set the parking brake.

2. Battery Check

Use a multimeter to measure the battery voltage.
- If below 12.4 volts, charge or replace the battery.
Clean the battery terminals with a battery terminal cleaner.
- Disconnect the negative terminal first, then the positive, clean, and reconnect positive first followed by negative.

3. Starter Relay and Fuses

Locate the starter relay in the fuse box.
- Swap the relay with another similar relay to test functionality.
Inspect the fuses related to the starting system.
- Replace any blown fuses with the same amperage rating.

4. Starter Motor Test

Use a jumper wire to bypass the ignition switch:
- Disconnect the starter motor's electrical connector.
- Connect one end of the jumper wire to the positive terminal of the battery and the other end to the starter terminal.
- If the starter engages and the engine cranks, the starter is functioning.

5. Electrical Connections

Inspect wiring and connections leading to the starter for any signs of damage or corrosion.
Repair or replace any damaged wiring as necessary.