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2017 M3 fuses -- Which fuses to tap for acc+, battery, gnd

I'm trying to install a dashcam backup battery system (namely the VicoVation power plus as seen on

Amazon

) on my 2017 Mazda 3. For it to work I need to hook into two fuses, one for "ACC+" (powered on only when the engine is running) and one for "BATTERY" (powered on at all times).

This is a fuse diagram for the 2017 M3: Mazda 3 (from 2017) ? fuse box diagram | Auto Genius

I know where the Grounding wire goes.

I'm pretty sure I can put the ACC+ on the 10 fuse (MIRROR), as that's only on when the engine is on.

But which fuse can I tap for BATTERY? Especially since I can't tap into any fuses greater than 10A.

bump -- still looking for a solution!