Scania 3 (1987-1994) – Fuse Box Diagrams

Hello!,good morning. In this article you will discover a description of fuses and relays Scania 3 (1987-1994) – fuse box

Include with images of box diagrams along with their locations. Highlighted the cigarette lighter fuse (as the most common thing people look for).
Get suggestions about Service fuses, swapping a fuse, and more.

Scania 3 – fuse box diagram

Year of production: 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994.

Scania cigarette lighter fuse (power socket) 3 is fuse 19 (10A) in the fuse box.

The main boxes with fuses and relays are located in the passenger compartment, on the right side of the instrument panel, on the passenger side, behind the protective cover. On the reverse side, the current scheme can be used.

Main box

The scheme of the fuse box

Scania 3 1987 1994 Fuse Box Diagrams

No Description
1 10A Dipped beam, right-hand side
2 10A Dipped beam, left-hand side
3 10A Main beam, left side, headlight
4 10A High beam, right
5 10A Instrument lighting
6 20A Rear fog lights;

Number plate lighting;

Work lights.

7 20A Parking light, right-hand side
8 10A Headlamp washers and cleaners
9 20A Parking light, left side, side lights
10 10A Windshield wipers and washers
11 10A Automatic mountain brake;

Brake lights.

12 10A Bulbs for controls and indicators
13 10A Outdoor temperature sensor;

Mileage counter;


Warning lights;

Charge air cooler bypass valve;

Gearbox oil cooling.

14 10A Direction indicators;

Axle load limiter.

15 20A Tail lights, high beam blinker
16 10A Transmission
17 10A Manual mountain brake;

Pneumatic suspension;

White smoke limiter;

Rear axle lift;

Parking heating;

Differential lock.

18 10A Cabin lighting;

Warning lamp;

Radio memory / code;

Central lock;

Parking heating;

Footrest lighting.

19 10A Lighter;




Daily mileage counter;

Portable lamp socket.

twenty 10A Radio
21 20A Buzzer;


Air conditioner.


AND Power supply, key ignition position
b Power, parking signals
C. Reserve
D Reserve
E. Intermittent wipers
F. Low pressure buzzer in the brake system
G. Fan motor
H. Reversing lamps
K. Rear fog lights
L. Coolant level
M. White smoke limiter
N Starter lockout
ABOUT Reserve
P. Radio
R Power Rail 61, Generator Charging
S. Air conditioning system

Extra chest

Box 1

  1. 20A Auxiliary heating, high beam
  2. 20A Gearbox cooling, auxiliary heater
  3. 10A Burner ignition, power take-off, automatic gearbox
  4. 10A Fog lights
  5. 20A fog lights
  6. Reserve

Box 2

  1. 20A Air dryer, electric heated seats and mirrors
  2. 10A Warnings, battery heater, fuel heater
  3. 10А EDC
  4. 20А EDC
  5. 20A Glass mirror lifters, mirror adjustment
  6. 10A CAG – emergency transfer, speed limiter

Box 3

In the old version of Wabco “B” Bosch “Diagnos” Bosch “Gamma” there are ABS fuses, newer Bosch “Gamma” Wabco “C”:

  1. 30A Trailer control valve supply voltage
  2. 5A Trailer control unit supply voltage
  3. Reserve
  4. 10A Emergency lamp, vehicle
  5. 5A Control unit supply voltage
  6. 20А R7, R10 relay supply voltage


  1. Transmission cooling relay (R5 relay)
  2. Electronic engine control (EDC R34)
  3. EDC, diode block (D18)
  4. EDC + CAG (R43)
  5. ADR horn relay (R41)
  6. Retarder relay (R78)
  7. Separate trailer brake lamps (R33)
  8. High beam relay (R6)
  9. Fog lamp relay (R15)

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