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

483 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 Ford Explorer that won't start with clicking noise. Step-by-step guide with diagnostic procedures 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.
•Wear safety gloves and goggles when handling batteries.

Symptoms

•Single click or rapid clicking noise when attempting to start
•Dashboard lights dim or flicker when the key is turned
•No engine cranking or turnover
•Possible battery warning light illuminated
•Electrical accessories (e.g., radio, lights) may function intermittently

Diagnostic Steps

1
Check Battery Voltage: Use a multimeter to measure the battery voltage. A healthy battery should read around 12.6 volts.
2
Inspect Battery Connections: Visually examine the battery terminals for corrosion or loose connections.
3
Test Battery Load: Conduct a load test on the battery to determine if it can hold sufficient charge.
4
Check Starter Relay: Locate and test the starter relay by swapping it with another relay of the same type (if available).
5
Examine Fuses: Inspect the fuses associated with the starting system in the fuse box for any blown fuses.
6
Inspect Starter Motor: Visually check the starter motor for any signs of damage or loose wiring.

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
•Socket set
•Wrenches
•Basic hand tools

Parts Required

•New battery (if required)
•Starter relay (if faulty)
•Starter motor (if faulty)

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Diagnostic Steps

1
Check Battery Voltage: Use a multimeter to measure the battery voltage. A healthy battery should read around 12.6 volts.
2
Inspect Battery Connections: Visually examine the battery terminals for corrosion or loose connections.
3
Test Battery Load: Conduct a load test on the battery to determine if it can hold sufficient charge.
4
Check Starter Relay: Locate and test the starter relay by swapping it with another relay of the same type (if available).
5
Examine Fuses: Inspect the fuses associated with the starting system in the fuse box for any blown fuses.
6
Inspect Starter Motor: Visually check the starter motor for any signs of damage or loose wiring.

Solution

1. Preparation

Gather Tools: Ensure you have a multimeter, basic hand tools (socket set, wrenches), and safety gloves.
Safety First: Disconnect the negative battery terminal to prevent electrical shorts.

2. Battery Replacement

Remove Old Battery:
1. Disconnect the negative cable first, followed by the positive cable.
2. Remove any brackets securing the battery and lift it out.
Install New Battery:
1. Place the new battery in the tray and secure it with brackets.
2. Connect the positive cable first, then the negative cable.

3. Starter Relay Replacement

Locate Starter Relay: Refer to the owner's manual for the specific location of the starter relay.
Replace Relay: Remove the faulty relay and install a new one.

4. Starter Motor Inspection

Test Starter Motor:
1. Reconnect the battery.
2. Use a multimeter to check for voltage at the starter motor terminals while someone turns the ignition key to the start position.
3. If voltage is present and the starter does not engage, replace the starter motor.