The Audi 100 and Audi 200 (C3) are mid-sized luxury cars produced by the German car manufacturer Audi from 1982 to 1991. These cars were designed to be more aerodynamic than their predecessors and were the first Audis to have a galvanized steel body, which helped to prevent rust. The Audi 100 and Audi 200 were also known for their advanced technology and safety features, making them popular with car buyers looking for a high-quality, reliable vehicle.

One of the most important components of any car is its electrical system, which includes the fuse box and relay. These components are responsible for managing the flow of electricity throughout the car and ensuring that all electrical systems are functioning properly. In the Audi 100 and Audi 200 (C3), the fuse box and relay are essential components that play a critical role in ensuring the car’s electrical systems are operating safely and efficiently.

Electrical Components

The electrical system in the Audi 100 and Audi 200 (C3) is controlled by the fuse box and relay. The fuse box is responsible for protecting the car’s electrical components from damage caused by electrical surges, while the relay controls the flow of electricity throughout the car. These components are critical for ensuring that all of the car’s electrical systems are functioning properly, including the headlights, taillights, dashboard lights, and audio system.

One common issue with the fuse box and relay in the Audi 100 and Audi 200 (C3) is that they can become worn over time, which can cause electrical problems such as blown fuses or malfunctioning systems. To prevent these issues, it’s important to regularly inspect the fuse box and relay and replace any worn or damaged components as soon as possible.

Maintenance

Regular maintenance is essential for ensuring that the Audi 100 and Audi 200 (C3) continue to operate at their best. This includes inspecting the fuse box and relay for signs of wear or damage and replacing any worn or damaged components as needed. It’s also important to keep the car’s electrical systems clean and free of debris, which can help to prevent electrical issues from occurring.

(1989-1991) Audi 100 and Audi 200 (C3) fuse box and relay with Diagram

Engine Compartment Fuse Box

audi 100 and audi 200 c3 1989 1991 engine compartment fuse box
audi 100 and audi 200 c3 1989 1991 engine compartment fuse box
 № Amps Hi-beam headlight left
115AFog lights, rear fog lights
215AEmergency flashers
325AHorn, brake lights
415AReading lights, luggage compartment, cigar lighter, interior lights, make-up mirror, Board Computer
530ANot used
65ASide marker, park lights, right
75ASide marker, park lights, left
810AHi-beam headlight, hi-beam indicator light
910AHi-beam headlight, left
1010ALow beam, headlight, right
1110ALow beam, headlight, left
1215AInstrument cluster, back-up lights, cruise control, electronic thermoswitch
1315AFuel pump
145AGlove compartment, engine compartment, license plate lights
1525AWindshield wipers
1630ARear window heat element, outside mirror heat element
1730AFresh air blower
185ARear wiper (wagon)
1910ACentral locking system and fuel injection control unit 100, 100 Quattro
2030AHeated seats with Memory Seat
2125ANot used
22Not used
2330ANot used
2410ANot used
2530APower seats with memory, passenger power seat
265AAuto-Check, power mirrors, driver’s seat memory control
2710AIgnition control unit 100, 100 Quattro
2815AFuel injection control unit II
29Spare fuses
audi 100 and audi 200 c3 1989 1991 relay box
audi 100 and audi 200 c3 1989 1991 relay box
Assignment/Designation
1Open
2Radiator cooling fan (stage 2)
3100 models — radiator cooling fan after-run
200 models — radiator cooling fan (stage 1)
4Not used
5Load reduction relay
6Not used
7Horn
8Anti-theft relay
9Intermittent washer/wiper
10Fuel pump
11A/C relay

Auxiliary relay panel

audi 100 and audi 200 c3 1989 1991 auxiliary relay box
audi 100 and audi 200 c3 1989 1991 auxiliary relay box
Assignment/Designation
1Open
2Seat belt/park light radio warning control unit
3Interior light delay control unit
4Open
5Lamp control unit, front
6Open
7Rad coolant fan relay 3rd stage
8ABS combination relay
9Intensive washer relay
10Power window control unit
11Power window control unit
12Driver-heated seat relay
13Open
14Circuit breaker for windows
15Driver heated seat relay
16Passenger heated seat relay
17Open

Conclusion

The Audi 100 and Audi 200 (C3) were advanced, reliable cars that were known for their innovative design and advanced safety features. However, like all cars, they require regular maintenance and attention to ensure that they continue to operate at their best. By regularly inspecting the fuse box and relay and replacing any worn or damaged components, Audi 100 and Audi 200 owners can help to ensure that their car’s electrical systems remain in top condition and that they can continue to enjoy the car’s many features and benefits.

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