Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2018 Audi S8FACTORY OEM SERVICE PROCEDURE
Component Locations: Wiring
- 97 Wiring
- Relay Panels, Fuse Panels And E-Boxes
- Component Location Overview - Relay Panels, Fuse Panels And E-Boxes
- Overview - Relay Panels, Fuse Panels And E-Boxes Component Location
- Overview - Relay Carrier, Instrument Panel, E-Boxes Fuse Carrier, A-Pillar Component Location
- Overview - Relay Carrier, Fuse Panel, E-Boxes, Luggage Compartment, Vehicles Through My 2013 And All With High Voltage System Component Location
- Overview - Relay Carrier, Fuse Panel, E-Boxes, Luggage Compartment, Control Module, Vehicles Without High Voltage System From My 2014 Component Location
- Overview - Relay Carrier, Fuse Panel, E-Boxes, Vehicles With High Voltage System Component Location
- E-Box, Removing And Installing
- E-Box Relay And Fuse Panels, Removing And Installing
- Suppressor -C24-, REMOVING AND INSTALLING
- Fuse Holder, Front End, Removing And Installing
- Instrument Panel Fuse Holder, Removing And Installing
- Relay And Fuse Panels Behind Instrument Panel On Driver Side, Removing And Installing
- Relay And Fuse Panels Inside Luggage Compartment, Removing And Installing
- Fuse Panel F -SF- IN THE LUGGAGE COMPARTMENT, REMOVING AND INSTALLING, VEHICLES THROUGH MY 2013 AND ALL WITH HIGH VOLTAGE SYSTEM
- Fuse Panel F -SF- IN THE LUGGAGE COMPARTMENT, REMOVING AND INSTALLING, VEHICLES WITHOUT A HIGH VOLTAGE SYSTEM FROM MY 2014
- Fuse Carrier In Right Luggage Compartment, Removing And Installing
- Fuse Panel D -SD- IN LUGGAGE COMPARTMENT, REMOVING AND INSTALLING, VEHICLES WITHOUT HIGH VOLTAGE SYSTEM
- Fuse Panel D -SD- IN LUGGAGE COMPARTMENT, REMOVING AND INSTALLING, VEHICLES WITH HIGH VOLTAGE SYSTEM
- Wire Junction -TV1-, REMOVING AND INSTALLING
- Starter Battery Switch-Over Relay -J580-, REMOVING AND INSTALLING
- Battery Cut-Out Relay -J7-, REMOVING AND INSTALLING
- Component Location Overview - Relay Panels, Fuse Panels And E-Boxes
- Control Modules
- Component Location Overview - Control Modules
- Overview - Control Modules, Vehicles Through My 2013 And All With High Voltage System Component Location
- Overview - Left Side Control Module, Vehicles Without A High Voltage System From My 2014 Component Location
- Overview - Right Side Control Module, Vehicles Without A High Voltage System From My 2014 Component Location
- Overview - Data Bus On Board Diagnostic Interface
- Vehicle Electrical System Control Module -J519-, REMOVING AND INSTALLING
- Comfort System Central Control Module 2 -J773-, REMOVING AND INSTALLING
- Frame For Control Modules, Removing And Installing
- Garage Door Opener Control Module, Removing And Installing
- Data Bus On Board Diagnostic Interface -J533-, REMOVING AND INSTALLING
- Data Bus On Board Diagnostic Interface -J533-, CONNECTORS
- Component Location Overview - Control Modules
- Connectors
- Connector Housings, Unlocking And Disassembling
- Contact Surfaces, Cleaning
- Antenna Wires, Repairing
- Fiber-Optic Cable
- Vehicle Diagnosis, Testing And Information Systems
- Special Tools
- Relay Panels, Fuse Panels And E-Boxes
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.