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      04-14-2008, 04:34 PM   #11
ElectroVoice
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Drives: 2008 328i
Join Date: Mar 2008
Location: So Cal

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Quote:
Originally Posted by jcarlucci1 View Post
I just tested that plain black wire coming out of the amp..its only 6 volts, doesn't remote need 12?
Through countless hours of searching and testing, I've concluded that, all 12V+ in my '08 328i's trunk (except for the battery terminal, of course) behaves the same way; turns on upon door-open, turns off after X minutes of inactivity.

The 12+V from the CD changer and the factory amp are among this 'user-activated' circuit.