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Volvo 780 (1990) - fuse box diagram

avatar Jonathan Yarden Feb 11, 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.

Volvo 780 - fuse box - instrument panel

Position Function Ampere rating [A]
1 Fuel pump, engine control system 25
2 Central locking, hazard warning flashers, headlight flashers 25
3 Fog lights (front) 15
4 Brake lights, trunk lid switch 15
5 Glove compartment light, clock, radio, engine compartment light, interior light, trunk light, door open warning, central locking, power antenna, make-up mirror light 15
6 Heater fan 30
7 Heated front seats 30
8 Electrically operated windows 30
9 Seat belt, warning light, turn signals, heated front seats, electrically-operated windows 15
10 Heated rear window/door mirrors, power moon roof 30
11 Lambda sond 15
12 Back-up lights, cruise control, In tank fuel pump, 4th gear on automatic transmission 15
13 Cooling fan, Turbo plu 15
14 Electrically-operated side view mirrors, cigarette lighter, radio, fuel flap switch, heater control unit 15
15 Horn, windshield wash/wipe 25
16 Spare —
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, moon roof 15
22 Seat belt light, RH parking lights (front and rear), storage compartment behind parking brake 15
23 Relay, power front seats 15
24 Power front seat, passenger’s side 30
25 Fog lights 15
26 Power front seat, driver’s side 30
ABS- A – fuse for this system is located under the instrument panel to the left of the steering wheel 10
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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