S80 AWD V8-4.4L VIN 85 B8444S (2008)
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The connector for SUB has a red-grey cable for 12 volt power and a black cable for the ground connection. The SUB is powered directly via
30-feed, and there is constant power to this cable
Volvo Workshop Service and Repair Manuals
Global Positioning System Switch >
< Electrical - Battery Drain From Incorrect SUM Connection
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