Thread: Hfs-4 wiring for Audi B8 s4 3.0 (2009-2013)?
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Old 01-10-2013, 03:57 PM
infinkc infinkc is offline
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Join Date: Apr 2010
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Default Hfs-4 wiring for Audi B8 s4 3.0 (2009-2013)?
Im planning on installing an HFS-4 into my 2010 s4 very soon. I was going to use the current a4 and tt diagrams to help me install the system. Anyone know if these diagrams would be the same? Richard have any specific wiring diagram for this car?

thanks!
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