Running wire thru firewall

[mikeberlak]

Having installed one of those under-the-front-seat subwoofers, what/where is the easiest way to get a power wire from under the dash thru to the battery? Bonus points for pics 2024 Civic EX

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[Eiching1]

There should be a grommet in the upper left side footwell. Maybe for the hood release or other wiring. It should get you in behind the wheel well cover, then up through the top of the fender to the battery