Audi 100 (C3; 1989 – 1991) – fuse box diagram
Year of production: 1989, 1990, 1991
Fuses
| № |
A |
Description |
| 1 | 15 | Fog lights, rear fog lights |
| 2 | 15 | Emergency flashers |
| 3 | 25 | Horn, brake lights |
| 4 | 15 | Reading lights, luggage compartment, cigar lighter, interior lights, make-up mirror, Board Computer |
| 5 | 30 | Not used |
| 6 | 5 | Side marker, park lights, right |
| 7 | 5 | Side marker, park lights, left |
| 8 | 10 | Hi-beam headlight, hi-beam indicator light |
| 9 | 10 | Hi-beam headlight, left |
| 10 | 10 | Low beam, headlight, right |
| 11 | 10 | Low beam, headlight, left |
| 12 | 15 | Instrument cluster, back-up lights, cruise control, electronic thermoswitch |
| 13 | 15 | Fuel pump |
| 14 | 5 | Glove compartment, engine compartment, license plate lights |
| 15 | 25 | Windshield wipers |
| 16 | 30 | Rear window heat element, outside mirror heat element |
| 17 | 30 | Fresh air blower |
| 18 | 5 | Rear wiper (wagon) |
| 19 | 10 | Central locking system and fuel injection control unit 100, 100 Quattro |
| 20 | 30 | Heated seats with Memory Seat |
| 21 | 25 | Not used |
| 22 | – | Not used |
| 23 | 30 | Not used |
| 24 | 10 | Not used |
| 25 | 30 | Power seats with memory, passenger power seat |
| 26 | 5 | Auto-Check, power mirrors, driver’s seat memory control |
| 27 | 10 | Ignition control unit 100, 100 Quattro |
| 28 | 15 | Fuel injection control unit II |
| 29 | – | Spare fuses |

| № | Description |
| 1 | Open |
| 2 | Radiator cooling fan (stage 2) |
| 3 | 100 models — radiator cooling fan after-run 200 models — radiator cooling fan (stage 1) |
| 4 | Not used |
| 5 | Load reduction relay |
| 6 | Not used |
| 7 | Horn |
| 8 | Anti-theft relay |
| 9 | Intermittent washer/wiper |
| 10 | Fuel pump |
| 11 | A/C relay |
Auxiliary relay panel
| № |
Description |
| 1 | Open |
| 2 | Seat belt/park light radio warning control unit |
| 3 | Interior light delay control unit |
| 4 | Open |
| 5 | Lamp control unit, front |
| 6 | Open |
| 7 | Rad coolant fan relay 3rd stage |
| 8 | ABS combination relay |
| 9 | Intensive washer relay |
| 10 | Power window control unit |
| 11 | Power window control unit |
| 12 | Rear window wiperwasher relay |
| 13 | Open |
| 14 | Circuit breaker for windows |
| 15 | Driver heated seat relay |
| 16 | Passenger heated seat relay |
| 17 | Open |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.


