Bass-Box Removal/Installation (Us)

WARNING: This page is about a different car, the 2021 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
Remove the trunk covering. (See TRUNK COVERING REMOVAL/INSTALLATION .)
Remove the bolt.

Fig 1: Bass-Box Bolt With Torque Specification
Courtesy of MAZDA MOTORS CORP.
Disconnect the connector.
Remove the bass-box and short cord as a single unit.
Remove the wiring harness clip.

Courtesy of MAZDA MOTORS CORP.
Remove the short-cord from the bass-box.
Install in the reverse order of removal.