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BMW 3-Series (E90 E92) Forum
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Base Stereo Subwoofer Polarity? Help!
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| 01-20-2016, 12:30 PM | #1 |
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Base Stereo Subwoofer Polarity? Help!
Does anyone know of the polarity for the underseat subwoofers (base stereo)
The pic below shows the subwoofer connector(car side) has 4 pins. 1) The center two pins are from the HU 2) The outer two pins are route to the front door speakers Which ones are the positive (+) and negative (-)? Hope someone can help me on this! Many thanks
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2010 E91 320D LCI ALPINE WHITE, PERFORMANCE POWER KIT, PERFORMANCE BRAKE KITS, OEM M3 MIRROR WITH POWER FOLDING OPTION, M AERO PACKAGE, PERFORMANCE FRONT BUMPER CARBON FIBER LIPS N REAR CARBON FIBER DIFFUSER, FULL CARBON FIBER INTERIOR TRIM KIT, KONI 1130 W/ H&R SPORTS SPRING,
EISENMANN RACE EXHAUST, OEM 19" WHEEL STYLE 230 & M225 |
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