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Old 01-30-2013, 03:52 PM   #9
TurnersInOz
Registered User
 
Join Date: Dec 2011
Location: Brisbane
Posts: 486
My Ride: 2004 325i
There is no reason to run a ground for the HU to the rear of the car. You want the grounds to be as short as possible.
If you are running the ground to the rear to be closer/on the battery, this can cause issues.
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