Scania 3 (1987-1994) – fuse box
Scania 3 – fuse box diagram
Year of production: 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994.
The cigarette lighter fuse (power socket) on the Scania 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
| Number | Description |
| 1 | 10A Dipped beam, right-hand side |
| 2 | 10A Dipped beam, left-hand side |
| 3 | 10A High 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, sidelights |
| 10 | 10A Windshield wipers and washers |
| 11 | 10A Automatic mountain brake;Brake lights. |
| 12 | 10A Bulbs for controls and indicators |
| 13 | 10A Outside temperature sensor;
Mileage counter; Retarder; Warning lights; Charge air cooler bypass valve; Gearbox oil cooling. |
| 14 | 10A Direction indicators;
Axle load limiter. |
| 15 | 20A Taillights, high beam blinker |
| 16 | 10A Gearbox |
| 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; Lighting foot each. |
| 19 | 10A Lighter;
Clock; Tachograph; Diagnostics; Daily mileage counter; Portable lamp socket. |
| twenty | 10A Radio |
| 21 | 20A Buzzer;Fan;
Air conditioner. |
Relay
| A | 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 |
| O | Reserve |
| P. | Radio |
| R | Power Rail 61, Generator Charging |
| S | Air conditioning system |
Extra chest
Box 1
- 20A Auxiliary heating, high beam
- 20A Gearbox cooling, auxiliary heater
- 10A Burner ignition, power take-off, automatic transmission
- 10A Fog lamps
- 20A fog lights
- Reserve
Box 2
- 20A Air Dryer, Electric Heated Seats and Mirrors
- 10A Warnings, battery heater, fuel heater
- 10А EDC
- 20А EDC
- 20A Glass mirror lifters, mirror adjustment
- 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”:
- 30A Trailer control valve supply voltage
- 5A Supply voltage for the trailer control unit
- Reserve
- 10A Emergency lamp, vehicle
- 5A Control unit supply voltage
- 20А Supply voltage for the R7, R10 relay
Relay
- Transmission cooling relay (R5 relay)
- Electronic engine control (EDC R34)
- EDC, diode block (D18)
- EDC + CAG (R43)
- ADR horn relay (R41)
- Retarder relay (R78)
- Separate trailer brake lamps (R33)
- High beam relay (R6)
- Fog lamp relay (R15)