Jonathan Yarden Jan 31, 2021 · 5 min. read
In this article you will find a description of fuses and relays Audi,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
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.
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