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      02-05-2013, 07:37 PM   #26
ctuna
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Drives: 325xi 06 wagon MT
Join Date: Jan 2010
Location: Santa Cruz, Ca

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Yep unswitched = not turned off= constant

Since this other head unit uses the circuit board for fuses there must
be something somewhere there that is on all the time.
I'm not sure why your harness doesn't just hook up to the same power sources as the old radio.