Where is the Fuse for 3Rd Brake Light

The fuse for the 3rd brake light is typically located in the fuse box. This box can be found under the dashboard or in the engine compartment.

Understanding the location and functionality of your vehicle’s fuse for the 3rd brake light is crucial for proper maintenance. This fuse protects the circuit of the high-mount stop lamp, commonly referred to as the third brake light, from electrical surges or short circuits.

The 3rd brake light is an essential safety feature, providing an additional signal to trailing drivers when you apply the brakes. In the event of a malfunctioning 3rd brake light, checking the fuse should be your first troubleshooting step. Consult your owner’s manual for the exact location and specification of the fuse related to your vehicle model, as this can vary depending on the make and year. Regular checks can prevent safety hazards and ensure all brake lights function correctly, which can be a lifesaver on the road.

Locating The 3rd Brake Light Fuse

The third brake light, often known as the center high mount stop lamp, serves a critical role in vehicle safety. Positioned higher than the car’s standard left and right brake lights, it provides an additional signal to drivers behind, particularly useful in heavy traffic when visibility might be obstructed. This light is legally required in many regions, emphasizing its significance for road safety.

The heart of the third brake light’s operation is its fuse. This electrical component acts as a safeguard, protecting the light’s circuit from any potential electrical faults. In the event of an overload or short circuit, the fuse will blow, cutting off electrical flow, thus preventing damage to the light or wiring. Knowing the location of the 3rd brake light fuse is essential for troubleshooting and ensuring the functionality of the light.

Where is the Fuse for 3Rd Brake Light

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Checking The Vehicle Manual

Finding the correct vehicle manual is essential for performing automotive repairs and maintenance, including locating the fuse for the 3rd brake light. Typically, this manual is provided by the manufacturer and should be amongst the documents received upon purchase. If the original copy is lost, most manufacturers offer a digital version online. Simply enter the vehicle’s make, model, and year on the manufacturer’s website to access the appropriate manual.

Once the manual is in hand, refer to the index or search function to find the section detailing the vehicle’s electrical system. This section will typically include a diagram showing the location of the fuse box and a description of each fuse. Look for the listing that corresponds with the 3rd brake light, often labeled as ‘Stop Lamp’ or similar. Illustrations and step-by-step guidance provided in the manual will assist in locating and inspecting the fuse.

Inspecting The Fuse Box

To find the fuse for the 3rd brake light, it is crucial to first identify the location of the vehicle’s fuse box. Typically, the fuse box is situated either under the dashboard, near the steering column, or in some vehicles, it may be located in the engine compartment. Once the fuse box is located, open the cover to gain access to the fuses.

The fuse box cover usually has a diagram indicating the function of each fuse. Look for a label such as “Stop,” “Brake,” or “CHMSL” (Center High Mount Stop Lamp) to identify the fuse associated with the 3rd brake light. If the diagram is not available or unclear, reference the vehicle’s owner manual for the correct fuse location.

After identifying the correct fuse, carefully remove it using a fuse puller or a pair of needle-nose pliers. Inspect the fuse to determine if the metal filament inside is intact. A blown fuse will have a broken filament and often display signs of burning or discoloration.

Frequently Asked Questions For Where Is The Fuse For 3rd Brake Light

Why Is There No Power To The Third Brake Light?

There could be several reasons for no power to the third brake light, including a blown fuse, a faulty bulb, or a disrupted wiring connection. Always verify these components during troubleshooting.

Where Is The Fuse Located For The Brake Lights On?

The brake light fuse is typically found in the car’s fuse box, usually located under the dashboard or in the engine compartment. Refer to your vehicle’s manual for exact location.

Why Is My Third Brake Light Not Turning Off?

Your third brake light may stay on due to a stuck brake pedal switch or a wiring issue. Check the switch’s condition and consult a mechanic for a potential electrical problem.

Do Brake Lights Have A Separate Fuse?

Yes, brake lights typically have a separate fuse in the vehicle’s fuse box for safety and functionality reasons.


Identifying the fuse for your 3rd brake light is crucial for vehicle safety. Remember, its location varies by make and model, so consult your owner’s manual or a professional if needed. Regular checks can prevent future malfunctions, ensuring a safe, fully functional brake system on the road.

James Frank

This is James Frank. I am a Home Expert and also Part-Time blogger. I am a home maintenance adviser and also a Part-time blogger to help people about there home maintenance, I am loving to write about home maintenance for new homeowners. and I am in this place for about 10 years. I would like to share my opinion, IDEA, Tips and much more information with My friends, family, and my Blog visitors.

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