Identify the circuit
Switch off the ignition and electrical accessories. Use the vehicle’s fuse diagram to identify the circuit and compare the fitted rating with the specified one. A forum photograph of a different year or equipment package is not enough to select a fuse.
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Replace only like for like
Use the supplied puller where specified and install the correct amperage fuse securely. Never bridge a fuse or substitute a higher rating to keep a circuit alive. Mazda specifically directs main-fuse replacement to qualified service because incorrect handling can cause a dangerous fault.
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If it blows again
Stop replacing it repeatedly. Record which circuit fails, when it fails and any recent accessory installation. A fuse protects the wiring; repeated failure is a diagnostic clue, not evidence that a larger fuse is required.
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Sources / references 1
- Manufacturer owner documentation ↗Reviewed Oct 6, 2026
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