Jonathan Yarden Oct 22, 2021 · 5 min. read
In this article you will find a description of fuses and relays Volvo,
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: 1990
Fuse box in instrument panel
The fuses (and relays) are located in the central electrical unit behind the ashtray in the center console.
| Position | Function | Ampere rating [A] |
| 1 | Fuel pump (main), engine control system | 25 |
| 2 | Central locking, hazard warning flashers, headlight flashers | 25 |
| 3 | Spare | — |
| 4 | Brake lights | 15 |
| 5 | Glove compartment light, clock, radio, engine compartment light, interior light, trunk light, antenna, door open warning, power antenna, make-up mirror light | 15 |
| 6 | Heater fan ECC | 30 |
| 7 | Power seats | 30 |
| 8 | Electrically operated windows | 30 |
| 9 | Warning light, seat belt, turn signals, air conditioning relays, heated front seats, electrically-operated windows | 15 |
| 10 | Heated rear window Power-operated sunroof Heated side-view mirrors | 30 |
| 11 | Tank pump, Lambda-sond | 15 |
| 12 | Back-up lights, cruise control, overdrive (manual transmission), disengagement of 4th gear on automatic transmission |
15 |
| 13 | Spare | — |
| 14 | Electrically-operated side view mirrors, cigarette lighter, radio, rear wiper (wagon) | 15 |
| 15 | Horn, Windshield wash/wipe | 25 |
| 16 | Heater blower, Air conditioning | 30 |
| 17 | High beam (left) | 15 |
| 18 | High beam, right, extra lights | 15 |
| 19 | Low beam (left) | 15 |
| 20 | Low beam (right) | 15 |
| 21 | LH parking lights (front and rear), license plate light, light for: ash tray, heater, control panel, switch for heated rear window | 15 |
| 22 | Seat belt light, RH parking lights (front and rear), center console compartment, lighting for: Heated seat switch, gear selector panel, rear ash tray | 15 |
| 23 | Heated front seats | 25 |
| 24 | SRS test socket | — |
| 25 | Rear fog lights | 15 |
| 26 | Radio | 15 |
| R | Spare fuses | — |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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