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Volvo 780 (1988) 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: 1988

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, ABS system 25
3 Fog lights, theft alarm 15
4 Brake lights, trunk lid switch 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 Heated front seats 15
7 Electric cooling fan, heater blower 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 Tank pump, lambda sond 15
12 Back-up lights, cruise control, ABS, theft alarm, SRS (airbag) 4th gear on automatic transmission 15
13 Relay, cooling fan, Constant Idle Speed system 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 Seat belt light, RH parking lights (front and rear), storage compartment behind parking brake, fog lights (front) 15
22 Seat belt light, RH parking lights (front and rear), storage compartment behind parking brake, fog lights 15
23 Relay, power front seats 15
24 Power front seat, passenger’s side 30
25 Rear fog lights 15
26 Power front seat, driver’s side 30
ABS- fuses: left inner fender right side of the trunk 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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