Subwoofer and amplifier connections, we have a problem.

Opel Astra J OEM audio upgrade project. Subwoofer and amplifier.
That was close, first try, subwoofer didn't work.
#opelastraj #subwoofer #amplifier #installation

[@NoiseEverywhere]

Nice that you showed us how such a little oversight can cause this kind of issue. Love the build too.