Connect battery positive voltage to terminal A and ground to terminal B of the blower motor and verify its operation.

Blower motor removal/installation
Resistor removal/installationMazda 6 Service Manual: Starter removal/installation
Warning
When the battery cables are connected, touching the vehicle body with starter
terminal B will generate sparks. This can cause personal injury, fire, and
damage to the electrical components. Always disconnect the battery negative
cables before performing the following operation.
1. Di ...
Mazda 6 Service Manual: When Trunk Lid Cannot be Opened
If the vehicle battery is dead or there is a malfunction in the electrical system
and the trunk lid cannot be opened, perform the following procedure as an emergency
measure to open it:
1. Open the cover.
2. Move the lever to the left to fold the seatback.
3. Move the lever to the left to o ...