Main Fuse Removal/Installation

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Insert a tape-wrapped flathead screwdriver into the service hole in the position shown in the figure below.

Fig 1: Inserting Tape-Wrapped Flathead Screwdriver Into Service Hole
Courtesy of MAZDA MOTORS CORP.
Move the flathead screwdriver in the direction of the arrow (1) shown in the figure below, and pull up the main fuse cover in the direction of the arrow (2) shown in the figure below to detach the main fuse cover tab from the main fuse.

Fig 2: Detaching Main Fuse Cover Tab From Main Fuse
Courtesy of MAZDA MOTORS CORP.
Remove the main fuse cover.
Remove the nuts.
Without i-ELOOP

Fig 3: Engine And Front Wiring Harness Nuts With Torque Specifications - Without I-Eloop
Courtesy of MAZDA MOTORS CORP.

With i-ELOOP

Fig 4: Engine And Front Wiring Harness Nuts With Torque Specifications - With I-Eloop
Courtesy of MAZDA MOTORS CORP.
Remove the main fuse.
Install in the reverse order of removal.