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      01-24-2013, 06:47 PM   #15
ctuna
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Drives: 325xi 06 wagon MT
Join Date: Jan 2010
Location: Santa Cruz, Ca

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What could cause a high resistance ground to the radio?

What could cause a high resistance ground to the radio?
The first thing I would do is reseat the connector to the radio
as sometimes connection points can oxidize over time and get
resistive. I wonder if there is physical ground in the factory
harness that runs from the radio to the amp? Check that if it exists.
I imagine the next thing would be to run another ground wire to the
amp from the radio as suggested to get a physically known ground
to it.

By the way it was Technic that responded in the last reply not VP,
Thanks Technic.
If you get flustrated take a break.
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