

▲ 2 r/GR86
I want to wire a subwoofer to a brz limited with the amp in the trunk. In the forums hachi electronics says to splice and add the rcas to the front left and right speaker wires on the amp harness. How would I know which one is positive and negative when plugging in the rcas in the amp? Does it mater
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u/Opening_Door_9702 — 1 month ago
▲ 32 r/BRZ_ZD8
u/Opening_Door_9702 — 2 months ago