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What size fuses for Subaru Forester?


As a proud owner of a Subaru Forester, it's essential to understand the importance of fuses in your vehicle's electrical system. Fuses protect various electrical components from overloads and short circuits, ensuring your car runs smoothly. In this article, we will explore the appropriate fuse sizes for different systems in your Subaru Forester, helping you maintain your vehicle effectively.


Common Fuse Sizes for Subaru Forester


The Subaru Forester typically uses a variety of fuse sizes depending on the specific electrical component. Here are the most common fuse sizes you will encounter:



  • 10 Amp Fuses: Used for components like the radio, interior lights, and some sensors.

  • 15 Amp Fuses: Commonly found in circuits for the headlights, tail lights, and power windows.

  • 20 Amp Fuses: Typically used for the windshield wipers and some engine components.

  • 30 Amp Fuses: Often used for the power supply to the engine control unit and other high-demand systems.


Knowing these fuse sizes can help you quickly identify and replace blown fuses, ensuring your Subaru Forester remains in top condition.


How to Replace a Fuse in Your Subaru Forester


Replacing a blown fuse is a straightforward process. Here’s a step-by-step guide to help you through it:



  1. Locate the Fuse Box: The fuse box in the Subaru Forester is usually found under the dashboard on the driver's side or in the engine compartment.

  2. Identify the Blown Fuse: Check the fuse diagram located on the fuse box cover to find the specific fuse related to the malfunctioning component.

  3. Remove the Blown Fuse: Use a fuse puller or a pair of needle-nose pliers to carefully remove the blown fuse.

  4. Insert the New Fuse: Replace it with a new fuse of the same amperage rating. Ensure it fits snugly in place.

  5. Test the Component: Turn on the vehicle and check if the component is functioning properly.


By following these steps, you can easily replace a blown fuse and keep your Subaru Forester running smoothly.


Conclusion


Understanding the fuse sizes and how to replace them is crucial for maintaining your Subaru Forester's electrical system. Regular checks and timely replacements can prevent further electrical issues and ensure a safe driving experience. If you ever feel unsure about handling electrical components, don't hesitate to consult a professional mechanic for assistance.


Frequently Asked Questions

How do I know what size fuse to use?


First, you will need to determine the maximum fuse rating in amperages by applying this formula for calculation: P (Watts) ÷ V (Voltage) = I (Amps). Next, you will need to calculate the minimum fuse rating or amperage by multiplying that total (the maximum amperage rating) by 125%.



What size main fuse do I need?


The simple calculation is watts divided by volts equals amps. After you have calculated this, it is a simple case of adding around 10% to the value and choosing the nearest fuse to match. This is a more precise method then just guessing should you require a 3, 5, or even 13 amp fuse.



What size fuse is in a 2012 Subaru Outback?


2012 Subaru Outback Fuse Auto. Mini Fuse 20A. Multi Purpose Fuse - 82210AJ20A - Genuine Subaru Part.



What is the rule for fuse sizing?


The fuse must have a voltage rating equal to or greater than the normal frequency recovery voltage which will be seen across the fuse under all conditions. On three-phase systems, it is a good rule of thumb that the voltage rating of the fuse be greater than or equal to the line-to-line voltage of the system.



Can I use a 15 amp fuse instead of 30?


A: Yes you can. Just put a 15 amp fuse in its place. Thank you for your feedback! We failed to record your vote.



What is standard fuse size?


The standard ampere ratings for fuses and inverse time circuit breakers shall be considered 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, 110, 125, 150, 175, 200, 225, 250, 300, 350, 400, 450, 500, 600, 700, 800, 1000, 1200, 1600, 2000, 2500, 3000, 4000, 5000, and 6000 amperes.



What kind of fuse is in the Subaru Forester 2024?


Mini Fuse 10A. Multi Purpose Fuse. Fuse box; wiring harness (main).



Can I use a 10 fuse instead of a 5?


In general, NO. Replacing a fuse with a higher-amp fuse is a very bad idea and can lead to fires. Do not replace a blown fuse with one that has a higher amperage rating. The fuse has a specific amperage rating because it is intended to be the weak link in the circuit to protect the electrical components.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.