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Mazda CX-5 Electrical Fuses Replacement Guide
How to check or change a blown electrical fuse or relay in a 1st generation 2012 to 2016 Mazda CX-5 SUV with photos.

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2013 CX-5 Engine Bay Fuse Box
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Gently Pull Out Front Clip
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Push In Rear Release Tab

This automotive maintenance tutorial was specifically written to assist owners of the first generation (2012, 2013, 2014, 2015 & the updated 2016 model year) Mazda CX-5 SUV in checking or changing a blown fuse or relay in either the engine bay or interior passenger compartment electrical panels.

Owners of other Mazda vehicles such as the Mazda 2, Mazda 3, Mazda 5, Mazda 6, CX-7, CX-9, and the MX-5 Miata may also find these DIY instructions to be helpful.

This 2013 CX-5 was equipped with the relatively newer style of low profile mini blade fuses.

If necessary, you can replace them with the older style standard mini blade fuses, which are slightly taller.

A plastic fuse puller tool should be included on the underside of the engine bay electrical panel cover. If it is missing, you may also use a pair of needle nose pliers with rubber insulated handles.

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Lift Off Fuse Box Cover
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Fuse Location Diagram
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Fuse Puller Tool Missing
The engine bay fuse box is located at the front right area of the engine bay next to the 12V automotive battery.

To release the fuse box cover, gently pull out the front retaining clip towards yourself.

Then push in the release tab on the rear edge of the cover.

Lift the cover straight off the box and set it aside in a safe place.

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

There should be a plastic fuse puller tool attached to the underside of the fuse box cover.

If the tool is missing, you can use a pair of needle nose pliers with rubber insulated handles while wearing gloves for extra safety.

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Below Driver Side Dashboard
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Pull Out Plastic Access Panel
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Access Cover Removed
The interior passenger compartment fuse block is located behind a plastic access cover on the driver's kick panel below the dashboard.

Gently pull out the access panel at the notch on the right side and set it aside in a safe place.

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Interior Fuse Block
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Fuse Location Diagram
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Fuse Puller Tool Mount
There is a fuse location diagram on the underside of the access panel and also another one in your owner's manual.



 

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Pull Out Old Fuse
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Old "Low Profile" Fuse Removed
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Hold Up To Light Bulb
Grasp the old fuse that you'd like to check or replace and pull it straight out of the socket.

Hold the old fuse up to a light source and examine it.

If the thin metal strip in the translucent plastic center of the old fuse appears to be burnt or broken then the fuse is "blown" and needs to be replaced.

If the thin metal bar in the center of the old fuse appears to be intact, it should still be good. But since new fuses are so cheap, it should still be replaced as part of your electrical issue troubleshooting process.

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Push In New Fuse
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New Fuse Installed
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Line Up Fuse Block Cover

Push a new low profile mini blade fuse of the same amperage rating (e.g. 5, 10, 15, 20, 25) straight in to the socket.

The CX-5 is equipped with "low profile" mini blade fuses, but you may replace them with the slightly taller traditional style mini blade fuses.

The standard mini blade fuses will just stick out of the socket a tiny bit further.

Line up the plastic cover over the engine bay fuse block.

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Gently Push On Cover
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Re-Insert Interior Cover
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Gently Snap In Access Panel
Gently push on the fuse box cover back until the two retaining clips "click" securely in to place.

Line up the interior passenger compartment fuse block access panel and gently push it back in to place.

Test the electrical component that you were having issues with such as the radio, wiper blades, tail lights, headlights, power windows, door locks, etc.

If you are still having the same electrical problem, you might have a shorted wire somewhere or the component itself needs to be replaced with a new unit.

For more, check out all of my Mazda CX-5 DIY Repair & Maintenance Guides.
 

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