Thread: MULF2-High pinouts
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      04-16-2012, 11:32 AM   #141
jaymd123
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Drives: '09 E90 335i
Join Date: Feb 2010
Location: Northern VA

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Quote:
Originally Posted by pnickisson View Post
I am just about to do this install and unsure where the wire at pin 21 connects to...or does it just hang loose?
In my experience pin 21 is not necessary. Just 19 and 1 (positive and negative) for the MIC.
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