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.
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HOMESERVICE MANUALSAUDI1998A8 SEDAN (4D2) V8-3.7L (AEW)REPAIR AND DIAGNOSISDIAGRAMSCONNECTOR VIEWSWIPER SWITCH
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)
Wiper Switch
1998 Audi A8 Sedan (4D2) V8-3.7L (AEW)SECTION Wiper Switch
A - Terminal connector for wiper switch
B - Terminal connector for on board computer
C - Terminal connector for cruise control system
D - Terminal connector for turn signal switch
Wiper Switch, Terminal -A- Assignments
1 - Terminal 49a
2 - Terminal 53e
3 - Terminal 53
4 - Open
5 - Intermittent wiper
6 - Terminal 53c
7 - Headlight washers, right
8 - Headlight washers, left
9 - Terminal 53a
10 - Terminal 53b
On Board Computer, Terminal -B- Assignments
1 - On board computer reset
2 - Terminal 31
3 - On board computer switch (reverse sequence)
4 - On board computer switch (forward sequence)
Cruise Control Switch, Terminal -C- Assignments
1 - Cruise control, control module, terminal 11
2 - Cruise control, control module, terminal 10
3 - Cruise control, control module, terminal 4
4 - Cruise control, control module, terminal 8
5 - Terminal 15
6 - Clutch pedal/brake pedal vent valve
Turn Signal Switch, Terminal -D- Assignments
1 - Open
2 - Terminal X
3 - Side indicator lights
4 - Turn signal, right
5 - Turn signal, left
6 - Terminal 30
7 - Terminal 58
8 - Terminal 56
9 - Terminal 56a
10 - Terminal 56b
11 - Fog light
12 - Parking light
13 - Terminal 30
14 - Fog light
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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.