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      01-24-2013, 08:30 PM   #17
ctuna
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Drives: 325xi 06 wagon MT
Join Date: Jan 2010
Location: Santa Cruz, Ca

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The ground connector and wire from the back of the radio

I meant the actual ground connector that comes out of the radio
as in the power connector. Like the power connector for the amp,
which has +12 and ground.

The ground connector and wire from the back of the radio
would be the point of interest for me . I would measure from
that pin to the amp . This is theoretical but I used to work in electronics
and connectors are the enemy of a good connection usually . Connectors
can easily develop a several ohm resistance and some times just re seating
them will wipe the oxidation away and return things to normal. I do not
know how the ground is routed in the car or what it has to go through to reach
the trunk it could be in the harness or the chassis. So checking the ground
pin out of the back of the radio to the ground in the trunk seems like a good check point . Also laying in a new ground wire from the radio to the amp
might be a thing to do as the guy that mentioned tying the ground between
the radio and amp as suggested.

Last edited by ctuna; 01-25-2013 at 03:35 AM.
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