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Mazda Mazda3 Electrical Fuse Replacement Guide
How to check or change a blown electrical fuse in a 2nd generation 2010-2013 Mazda Mazda3 with DIY instructions.

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Paul B. Michaels
Author & Photographer
Auto Mechanic Since 1989

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This automotive "how-to" guide was specifically written to assist owners of the second generation (2010, 2011, 2012 & 2013) Mazda Mazda3 in troubleshooting an electrical problem by checking or changing a blown fuse.

Owners of other Mazda vehicles such as the Mazda2, Mazda5, Mazda6, MX-5 Miata, Mazdaspeed3, CX-5, CX-7, CX-9, MPV, Tribute, RX-8, Axela, Demio, Verisa, Premacy, and Atenza may also find this DIY tutorial to be helpful.

Assortment boxes of new low profile mini blade fuses with a variety of amperage ratings can be purchased at any auto parts store, Wal-Mart and online at Amazon.

No tools are needed to access the engine bay fuse box.

A white plastic fuse puller tool is included on the underside of the fuse panel cover. If the tool is missing, you can also use a pair of needle nose pliers.

A flathead screwdriver can be useful for removing the passenger compartment fuse panel cover.

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The engine bay fuse box is located at the right rear area of the engine bay near the suspension tower and air filter box on the driver's side.

Press the release button on the top of the engine bay fuse box cover and pull it off to reveal the panel.

Remove the white plastic fuse puller tool on the underside of the fuse box cover.

Pinch the large end of the fuse puller tool to open the jaws and place them over the fuse you'd like to check or replace.

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Pull the old fuse straight out of its socket and hold it up to a light source.

If the thin metal strip inside the fuse appears to be intact, the old fuse is most likely still good.

If the thin metal bar in the center of the fuse appears to be broken or "burnt" the old fuse should be discarded.

Since new fuses are so inexpensive, you should always replace the fuse as part of your electrical issue troubleshooting process.

Push a new low profile mini blade fuse of the same amperage rating (e.g. 5, 10, 15, 20) straight in to the socket until it is fully seated.


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The interior fuse panel is located on the left side of the dashboard near the steering wheel. Open the driver's door and locate the small notch at the rear of the panel.

Pry off the fuse block cover with a flathead screwdriver.

There is a fuse location diagram on the underside of the fuse block cover and also one in the owner's manual.

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Repeat the steps from above to check a fuse from the passenger compartment fuse panel.
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Line up the interior fuse box cover and snap it back in to place.

Replace the fuse puller tool on to the under side of the engine bay fuse block cover.

Line up the engine bay fuse block cover and gently snap it back in to place.

For more, check out my other 2010-2013 Mazda Mazda3 Repair & Maintenance Guides.

If you found this guide to be helpful, please consider making a small donation by clicking on the "Donate" button located to the right of this paragraph. Thank you!
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