Fuse Block Removal/Installation

Disconnect the negative battery cable.
Remove the driver-side front side trim. (See FRONT SIDE TRIM REMOVAL/INSTALLATION .)
Remove in the order indicated in the figure below.

Fig 1: Removing Front Side Trim
Courtesy of MAZDA MOTORS CORP.

Fig 2: Removing Front Side Trim Legend
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.