Citroën C3 fuse diagram: see which fuse is correct for each year and engine type.

Artigo voltado ao mercado Brasileiro. Artigo atualizado em 12 de May de 2026 por João Daniel

Few people pay attention to them, but the fuses The C3’s batteries are the true guardians of your car’s electrical system. Citroën C3Knowing where each fuse is located and what its function is can save a driver a lot of headaches, from a light that doesn’t turn on to a car that simply won’t start.

This article was created based on Real-world workshop experience and Citroën technical manuals, organizing the C3 fuse diagram by year and engine type In a simple and practical way.

See also: Citroen C4 Fuse Diagram

Why was this content created?

Many drivers experience electrical problems and don’t know where to begin. The first question is always: “Which fuse is for the fan?”, “Where is the one by the lighthouse?” or Which one protects the digital panel?.
The idea here is bring everything together in one place., without complication and without excessive technical language — so that Any C3 owner, even without mechanical knowledge, can identify and resolve minor problems. safely.

What is an automotive fuse?

THE fuse It’s a small component that protects the car’s electrical circuit. When there’s a short circuit, it “burns out” and interrupts the flow of power, preventing a wire from melting or burning out expensive modules.

In modern cars, such as the Citroën C3, they exist two or three fuse blocks, generally:

• Inner box: below the dashboard, near the steering wheel.
• Box in the engine compartment: next to the battery.
• Some models have an additional storage box in the trunk.

Why is it important to know the Citroën C3 fuse diagram?

Knowing which fuse corresponds to each system helps to diagnosing simple faults without having to go directly to the repair shop.
Common examples:

• The windshield wiper stops working → it might just be a blown fuse.
• Reverse lights or turn signals do not illuminate → check the corresponding fuse.
• Radiator fan not turning on → possibly blown fuse.

That saves time and money and avoids unnecessary replacements.

Citroën C3 fuse diagram (by year and engine type)

🔧 C3 1.4 and 1.6 (2003–2012) – First generation

Internal box (under the dashboard):

Engine housing:

🔧 C3 1.2 PureTech and 1.6 16V (2013–2020) – Second generation

Internal box (left side of the panel):

Engine compartment (near the battery):

🔧 C3 1.5 — Complete fuse table

This version was very popular in Brazil and has two main fuse blocks:
one internal, on the driver’s side panel, and another in the engine compartment, next to the battery.
They protect all the car’s electrical systems, from the multimedia center to the air conditioning.

Internal fuse box (left side of the dashboard)

Engine compartment fuse box

Maxi-fuses (near the battery)

🔧 C3 1.0 and 1.6 (2023–2025) – New Brazilian generation

Internal box (panel):

Engine compartment (front compartment):

How to identify and replace a blown fuse.

1. Turn off the car and remove the key.
2. Open the fuse box cover. (Check the manual for the exact location).
3. With tweezers or pliersRemove the suspect fuse.
4. Observe the inner filament: If it’s broken, the fuse has blown.
5. Replace it with another one of the same amperage.
6. Never use wire or fuse of a different value.because it can damage electronic modules.

Practical workshop tip

Many mechanics report that in 70% of cases of simple electrical failure in the C3, the problem is just a blown fuse.

The exchange is quick and can be done at home, provided the owner has the correct fuse And be careful with the electrical system.

When the fuse blows frequently

If the same fuse blows more than once, There is a real short circuit.. This may be caused by:

• Exposed wiring
• Accessory poorly installed (sound system, camera, tracker)
• Moisture inside the fuse box
• Failure in electronic modules

In these cases, the ideal is take the car to a specialized workshop or a Citroën dealership.

Fuses and their impact on safety.

A blown fuse may seem like a simple thing, but it affects… essential security functions.
For example:

• Headlights and taillights stop working at night.
• ABS and electronic braking systems may become inoperative.
• The engine fan stops and the car overheats.

Keeping the fuses in the correct position is therefore a a matter of security and reliability..

How was this content created?

This guide was developed based on Original Citroën manualsconsultations in technical benches of independent workshops and Practical experience in maintaining C3 models of various generations..
The goal is to offer a Reliable, clear, and useful content, without unnecessary technical terms and without prioritizing the algorithm.

FAQ — Frequently asked questions about Citroën C3 fuses

1. Where is the fuse box located in the C3?
In older models, there’s one box under the steering wheel and another in the engine compartment. In newer models, the main box is located near the battery.

2. Can I use a fuse with a different amperage?
No. This can cause a short circuit and burn out electronic modules. Always replace with an identical one.

3. My radio stopped working. Could it be the fuse?
Yes. Radios and multimedia systems usually have 10A to 15A fuses. Check the manual or the table above.

4. What happens if a fuse blows?
The electrical system it protects stops working. This is a sign that there is an overload or a short circuit.

5. Does Citroën sell original fuses?
Yes, at dealerships. But it’s also possible to use standard automotive replacement fuses, as long as they have the same amperage.

Final considerations

To have Citroën C3 fuse diagram organized by year and engine type. It’s more than just a curiosity; it’s a useful tool for everyday life.
She helps the driver to solve simple problems, understand the electrical system and avoid unnecessary expenses with incorrect diagnoses.

Keep fuses correctly installed, clean, and properly fitted. It guarantees safety, comfort, and reliability.These are three pillars that make all the difference for anyone driving a C3, whether it’s a 2003, 2013, or 2025 model.