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What size fuses for Subaru Forester?

The recommended fuse sizes for a Subaru Forester vary depending on the specific model year and electrical system configuration. However, there are some general guidelines that can help you determine the appropriate fuse sizes for your Subaru Forester.


Fuse Box Locations


The Subaru Forester typically has two fuse boxes: one located in the engine compartment and another in the passenger compartment, usually near the dashboard or under the steering column. It's important to consult your owner's manual or the fuse box diagram in your Forester to identify the correct fuse locations and sizes for your specific model.


Common Fuse Sizes


The most common fuse sizes found in a Subaru Forester are:



  • 10A - Used for smaller electrical components like interior lights, radio, and climate control systems

  • 15A - Used for larger electrical loads like headlights, windshield wipers, and power windows

  • 20A - Used for high-draw components like the cooling fan, power seats, and sunroof

  • 30A - Used for the main power distribution, such as the alternator, battery, and starter


It's crucial to replace a blown fuse with one of the same amperage rating to avoid potential damage to the electrical system.


Consulting Your Owner's Manual


For the most accurate and up-to-date information on the fuse sizes for your specific Subaru Forester model, it's best to consult your owner's manual or the fuse box diagram located in your vehicle. This will ensure you use the correct fuse sizes and avoid any potential electrical issues.

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) รท 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 fuse is in a 2012 Subaru Outback?


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



What kind of fuse is in the Subaru Forester 2024?


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



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 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 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.



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.