Ferrari 328 (1986 – 1989) – fuse box diagram
Year of production: 1986, 1987, 1988, 1989
Fuse box
| Number | Fuse rating [A] | Description |
| 1 | 25 | Electric motor for high/low beams – R.H. heater |
| 2 | 25 | L.H. heater |
| 3 | 15 | Daylight flashing – Current socket – Door locking – Interior lights |
| 4 | 15 | Hazard – Cigar lighter – Aerial – Parking lights |
| 5 | 20 | Electro-fan for A C. condenser |
| 6 | 20 | Left electro-fan for water radiator |
| 7 | 20 | Right electro-fan for water radiator |
| 8 | 20 | Horns – Clock – Radio |
| 9 | 7,5 | Cold start electro-valve |
| 10 | 15 | L.H. main beam and relevant warning light |
| 11 | 15 | R.H. main beam |
| 12 | 10 | L.H. dipped beam |
| 13 | 10 | R.H. dipped beam |
| 14 | 7,5 | Front lights – Rear lights |
| 15 | 7,5 | Front lights – Rear lights |
| 16 | 15 | Parking lights lamp – Instrument panel lights -Front fog lights |
| 17 | 20 | Air conditioning system |
| 18 | 20 | L.H. window motor |
| 19 | 20 | R.H. window motor |
| 20 | 15 | Fuel pump |
| 21 | 7,5 | Instrument – Displays for heater controls – Ext. rear view mirrors |
| 22 | 15 | Windscreen wiper – Windscreen washer – Reverse light |
| 23 | 15 | Direction indicator lights – Stop rear lights |
| Number | Relay | Part No. |
| A | Relay for heater blowers | 0 332 014 113 |
| B | Relay for R.H. head-lamp lifting motor | 0 332 204 101 |
| C | Relay for high/low wiper speed | 0 332 204 101 |
| D | Relay for head-lamps lifting motor | 0 332 204 101 |
| E | Relay for L.H. head-lamps, lifting motor | 0 332 204 101 |
| F | Relay for electro-fan of A C. condenser | 0 332 014 113 |
| G | Relay for left electro-fan of water radiator | 0 332 014 113 |
| H | Warning horn relay | 0 332 014 113 |
| K | Relays for heater blowers | 0 332 014 113 |
| J | Flasher for direction indicators | — |
| 1 | Relay for right electro-fan of water | 0 332 014 113 |
| L | Relay for low beams | 0 332 014 113 |
| M | Relay for high beam headlamps | 0 332 014 113 |
| N | Relay for flashing | 0 332 014 113 |
| O | Relay for external lights | 0 332 015 006 |
| P | Relay for Air Conditioning operation | 0 332 204 101 |
| Q | Relay for windows motors | 0 332 014 113 |
| R | Relay for fuel pump | 0 332 014 113 |
| S | Fuel injection delivery pump starting-relay | 0 332 204 101 |
| T | Relay for light lifting motors (with low beams on) | 0 332 014 113 |
| U | Relay for key controlled services | 0 332 014 113 |
| V | Relay for air conditioner control | 0 332 014 113 |
| X | Windshield wiper timing relay | — |
| Y | Timer for interior lights. | — |
| Z | Relay for A.C. compressor | 0 332 014 113 |
| W | Seat belts control unit | — |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
