Fuse box location and diagrams: Audi A4 / S4 (8E/8H; 2004-2008) - YouTube
Do these relays under the ECU of the car have anything to do with car starting? A4 b6 1.8t turned off in the drive through won't start everything lights up and I
quattroworld.com Forums: J17 Fuel Pump Relay Information and why it is so important
Fuse box location and diagrams: Audi A4 / S4 (8E/8H; 2004-2008) - YouTube
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ECU Relay Location ?? HELP - AudiWorld Forums
quattroworld.com Forums: Agreed; check the ECM relay. It's in a relay/fuse panel B-SB-under the cowling on the driver's side.
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Audi A4 Q5 A5 S4 S5 Rear Fuse Box Power Distribution Relay Box 8K0 971 845 A OEM | eBay
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Fuse box location and diagrams: Audi A4 / S4 (B8/8K; 2008-2016)
Audi A4 S4 B8 fuse box and relay panel location and diagram
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Fuse box location and diagrams: Audi A4 / S4 (B8/8K; 2008-2016) - YouTube
Audi A4 S4 B8 fuse box and relay panel location and diagram