How To Replace Cigarette Lighter Fuse

It is important to ensure that your vehicle’s cigarette lighter is operational, as it can be a valuable amenity for charging electronic devices or powering other accessories. However, if the cigarette lighter is not working, it could be due to a blown fuse.

Replacing a cigarette lighter fuse is a relatively simple task that can be completed in a few minutes. However, it is important to follow the correct steps to avoid any electrical hazards. First, you will need to identify the location of the cigarette lighter fuse in your vehicle. This information can usually be found in your vehicle’s owner’s manual.

Once you have located the cigarette lighter fuse, you will need to remove it from the fuse box. Most fuse boxes have a small tool that can be used to remove fuses. Once the fuse has been removed, you can inspect it to see if it is blown. A blown fuse will have a break in the wire that runs through the center of the fuse. If the fuse is blown, you will need to replace it with a new fuse of the same amperage.

Disconnect the Battery

Materials you’ll need:

Wrench or socket set
New fuse

Steps:

Locate the battery in your vehicle. It’s usually under the hood, but can also be in the trunk or under the seats.
Disconnect the negative battery terminal by loosening the bolt or nut that holds it in place. Use a wrench or socket set to do this.
Once the negative terminal is disconnected, you can safely remove the fuse panel cover. The fuse panel is usually located under the dashboard or in the glove compartment.

Remove the Fuse

Once you’ve located the fuse box, you’ll need to remove the fuse that’s associated with the cigarette lighter. To do this, you’ll need to use a fuse puller. A fuse puller is a small tool that’s designed to safely remove fuses from their sockets. To use a fuse puller, simply insert the tips of the tool into the slots on either side of the fuse. Then, gently pull the fuse puller towards you to remove the fuse from its socket.

If you don’t have a fuse puller, you can also use a pair of needle-nose pliers to remove the fuse. To do this, simply grasp the fuse with the pliers and gently pull it straight up out of its socket.

Once you’ve removed the fuse, you’ll need to inspect it to see if it’s blown. A blown fuse will have a broken filament. If the fuse is blown, you’ll need to replace it with a new fuse of the same amperage.

Fuse Replacement and Amperage Guide

Fuse Amperage	Application
5 Amp	Cigarette lighter
10 Amp	Power windows
15 Amp	Radio
20 Amp	Headlights

Replace the Fuse

To replace the fuse, you will need the following tools:

A new fuse of the correct amperage
A small flathead screwdriver

Once you have gathered your tools, follow these steps:

1. Disconnect the negative battery terminal

This will prevent any electrical shock while you are working on the fuse.

2. Locate the fuse box

The fuse box is usually located under the dashboard on the driver’s side. It will be a small black box with a lid that says “FUSES.” Open the lid to reveal the fuses.

3. Find the fuse for the cigarette lighter

The fuse for the cigarette lighter will be labeled “CIGAR LIGHTER” or “POWER OUTLET.” It will be a small, rectangular fuse with a metal strip running across the top. The amperage of the fuse will be printed on the top.

4. Remove the old fuse

Use the flathead screwdriver to gently pry the old fuse out of the fuse box. Be careful not to touch the metal contacts on the fuse.

5. Insert the new fuse

Insert the new fuse into the fuse box in the same orientation as the old fuse. Make sure that the metal contacts on the fuse are making good contact with the terminals in the fuse box.

6. Test the cigarette lighter

Reconnect the negative battery terminal and start the car. The cigarette lighter should now be working. If it is not, check the fuse again to make sure that it is installed correctly.

Reconnect the Battery

1. Open the hood and locate the battery. It’s usually a black box with metal terminals on top.

2. Disconnect the negative terminal first. This is important for safety, as it prevents accidental sparks.

3. Disconnect the positive terminal.

4. Locate the fuse box. It’s a small, plastic box usually found near the battery.

5. Open the fuse box cover. There should be a diagram inside that shows you which fuse is for the cigarette lighter.

6. Carefully remove the blown fuse. You can use your fingers or needle-nose pliers.

7. Inspect the new fuse to make sure it’s the correct type and amperage.

8. Insert the new fuse into the empty socket. Make sure it’s seated securely.

9. Close the fuse box cover.

10. Reconnect the positive terminal.

11. Reconnect the negative terminal.

12. Close the hood.

Test the Cigarette Lighter

Before replacing the fuse, it’s essential to verify that the cigarette lighter itself is faulty. Follow these steps to test it:

1. Insert a functioning cigarette lighter or electronic device into the socket.
2. Press the button to activate the lighter.
3. If the lighter doesn’t ignite or the device doesn’t receive power, it indicates a potential issue with the fuse or wiring.
4. If the lighter ignites or the device powers up, the cigarette lighter assembly is likely functioning correctly, and the problem may lie elsewhere in the electrical system.

Additional Troubleshooting Steps

1. Check the cigarette lighter socket for any visible damage, corrosion, or debris.
2. If possible, use a multimeter to measure the voltage at the socket pins. A reading of 12 volts indicates that power is present.
3. Inspect the wiring harness connected to the cigarette lighter for any breaks, shorts, or loose connections.
4. Verify that the fuse box is easily accessible and that the cigarette lighter fuse is not blown.
5. If all other steps fail, consult a qualified electrician or automotive mechanic for further diagnosis and repair.

Remove and Inspect the Fuse

Using the fuse puller, carefully remove the old fuse. Inspect it closely to see if it’s blown. A blown fuse will have a broken filament, indicating an electrical fault.

Insert a New Fuse

Handle the new fuse with care, avoiding touching the metal parts. Insert the new fuse into the fuse holder, ensuring it fits snugly and makes good contact.

Check if the Fuse Blows Immediately

After replacing the fuse, turn on the cigarette lighter or accessory. If the fuse blows immediately, there may be a more serious electrical issue that needs to be addressed.

Troubleshooting Common Issues

No Power to the Cigarette Lighter or Accessory

If the fuse is not blown and the cigarette lighter or accessory still doesn’t work, check the following:

The power source (e.g., battery or alternator)
The wiring connections to the cigarette lighter or accessory
The cigarette lighter or accessory itself

Fuse Blows Repeatedly

If the fuse blows repeatedly, it indicates an electrical fault. Check the following:

The cigarette lighter or accessory for any damage or shorts
The wiring harness for any pinched or frayed wires
The electrical system for any overloads or malfunctions

Fuse Melted or Deformed

A melted or deformed fuse indicates a significant electrical fault. Immediately disconnect the battery and seek professional assistance to diagnose and repair the issue.

Fuse Rating	Size
10 Amp	ATO
15 Amp	ATE
20 Amp	ATC

Safety Precautions

Before you begin, it’s essential to take the following safety precautions to avoid any potential hazards or injuries:

1. Always park your vehicle on a level surface and engage the parking brake to prevent it from rolling.

2. Turn off the engine and remove the key from the ignition.

3. Protect your hands by wearing gloves to avoid any cuts or burns during the process.

4. Use a flashlight or work light to illuminate the fuse box for better visibility.

5. If you encounter any difficulties or uncertainties, do not hesitate to seek professional assistance from a qualified mechanic or electrician.

6. Never attempt to replace a fuse with one of a different amperage rating, as this can lead to electrical damage.

7. Replace the fuse promptly to avoid further electrical issues or hazards.

8. Dispose of the old fuse properly at a designated electronics recycling center.

9. **Double-Check the Wiring Harness:** Before replacing the fuse, take a closer look at the wiring harness connecting to the cigarette lighter. Inspect it for any visible damage, such as frayed wires or loose connections. If you notice any irregularities, it’s crucial to resolve those issues before installing the new fuse. Loose connections can lead to short circuits and further electrical problems, while frayed wires pose a fire hazard. Tighten any loose connections and repair damaged wires using electrical tape or solder, ensuring a secure and reliable connection.

10. Check for Other Electrical Issues: Once the cigarette lighter fuse has been replaced, take some time to observe the other electrical systems in your vehicle. Turn on the headlights, radio, and other accessories to ensure they are functioning correctly. If you encounter any problems, it may indicate an underlying electrical issue that requires further attention. Promptly address any electrical concerns to prevent more severe problems from developing.

How to Replace Cigarette Lighter Fuse

1. Gather Your Tools

You will need a few basic tools to replace the cigarette lighter fuse:

A new fuse that is the same amperage as the old one
A pair of needle-nose pliers
A flashlight

2. Locate the Fuse Box

The fuse box is usually located under the dashboard, on the driver’s side. Consult your vehicle’s owner’s manual for the exact location.

3. Identify the Cigarette Lighter Fuse

Once you have located the fuse box, you need to identify the cigarette lighter fuse. It is usually labeled “CIGAR” or “ACC.” If you can’t find the label, consult your vehicle’s owner’s manual for the correct fuse location.

4. Remove the Old Fuse

Use the needle-nose pliers to gently pull the old fuse out of its socket.

5. Insert the New Fuse

Push the new fuse into the socket until it clicks into place.

6. Test the Cigarette Lighter

Turn on the ignition and try to use the cigarette lighter. If it works, you have successfully replaced the fuse.

Additional Tips

7. Use the Right Amperage Fuse

It is important to use the correct amperage fuse for your cigarette lighter. If you use a fuse that is too low, it will blow out every time you use the cigarette lighter. If you use a fuse that is too high, it could cause damage to your vehicle’s electrical system.

8. Check for Other Problems

If you have replaced the fuse and the cigarette lighter still doesn’t work, there may be another problem. Check the wiring for any loose connections or damage.

9. Use a Flashlight

If you are having trouble seeing inside the fuse box, use a flashlight to help you.

10. Fuse Information

Fuse Amperage	Fuse Type	Fuse Location
15A	Mini	Under the dashboard, driver’s side
20A	Mini	Under the dashboard, driver’s side
25A	Mini	Under the dashboard, driver’s side

How to Replace a Cigarette Lighter Fuse

If your car’s cigarette lighter isn’t working, the fuse may have blown. Here’s a step-by-step guide on how to replace the fuse:

Locate the fuse panel. It’s usually located under the dashboard on the driver’s side. Refer to your car’s owner’s manual for the exact location.
Find the cigarette lighter fuse. It’s usually labeled as “CIG” or “12V POWER OUTLET.” If you can’t find it, check your owner’s manual for the fuse diagram.
Pull out the blown fuse. Use a fuse puller or needle-nose pliers to gently grasp the fuse and pull it straight out.
Insert a new fuse. Make sure the new fuse is the same amperage as the blown fuse. Refer to your owner’s manual for the correct amperage.
Test the fuse. Turn on the cigarette lighter and verify that it’s working.