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If your convenience lights, turn signals, seat warmers, stereo, headlights or other electronic components suddenly stop working, chances are you have a fuse that has blown out. The video above shows how to check and change blown fuses in the engine bay of your 2010 Mazda 3 in addition to where the fuse box diagram is located. Fuses should always be the first thing you check if your 3 is experiencing electrical difficulties because they are relatively easy and inexpensive to change yourself. The more electronics your 3 has, the more fuses it has. Some Mazdas have multiple fuse boxes in the engine bay, so be sure to find the fuse(s) in question. Some components may have multiple fuses, so make sure you check all of the fuses that are linked to the component that is no longer working properly.
If you need to replace a blown fuse in your 3, make sure you replace it with one that has the same amperage as the blown fuse. If checking and replacing the fuse for the component in question doesn't work, we recommend seeking assistance from a trusted professional mechanic. They should be able to figure out if the component needs to be replaced or if there is a short or some other problem with your 3.
Coolant hoses wear out over time and need to be replaced - check 'em early and often2010 Mazda 3 i 2.0L 4 Cyl.
Odd electrical problems that come out of nowhere can often signify a blown engine fuse - check and change yours here!2010 Mazda 3 i 2.0L 4 Cyl.
If your battery has green or white cruddy deposits, it is probably not getting enough juice from and will likely wear out sooner2010 Mazda 3 i 2.0L 4 Cyl.
See how to seal up minor power steering fluid leaks2010 Mazda 3 i 2.0L 4 Cyl.
Burnt out brake lights increase your chance of getting rear ended - check and change yours today2010 Mazda 3 i 2.0L 4 Cyl.