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JFairman JFairman is offline
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Join Date: Jul 2006
Location: S. Florida
Posts: 7,158
Brown wire insulation is ground on all the German cars I've seen.
Does it use a sending unit for air pressure reading or does an intercooler or manifold vacuum hose attach to a fitting on the back?
One of the wires is probably faceplate illumination that comes on with the parking lights and another wire would be switched 12 volts.
Old 10-10-2013, 11:25 AM
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