Fuse diagrams and relay boxes – Ferrari 328
Applies to vehicles manufactured over the years:
1986, 1987, 1988, 1989.
Fuse box
| Number | Amps [A] | Description |
| 1 | 25 | Electric motor for driving/combustion lights – right heater |
| 2 | 25 | Left-handed heater |
| 3 | 15 | Daytime flashing light – Electrical socket – Door lock – Interior lighting |
| 4 | 15 | Danger – Cigarette lighter – Antenna – Parking lights |
| 5 | 20 | Electric fan for air conditioner condenser |
| 6 | 20 | Left electric fan for water cooler |
| 7 | 20 | Electric straight fan for water cooler |
| 8 | 20 | Horns – Clock – Radio |
| 9 | 7,5 | Cold start solenoid valve |
| 10 | 15 | Traffic lights on the left and corresponding warning light |
| 11 | 15 | Right Passing Beam |
| 12 | 10 | Left Passing Beam |
| 13 | 10 | Right Passing Beam |
| 14 | 7,5 | Headlights – Tail lights |
| 15 | 7,5 | Headlights – Tail lights |
| 16 | 15 | Parking light – Dashboard illumination – Front fog lights |
| 17 | 20 | Air conditioning system |
| 18 | 20 | Left window motor |
| 19 | 20 | Right window motor |
| 20 | 15 | Fuel Pump |
| 21 | 7,5 | Instrument – Heater control dials – Exterior rear view mirror |
| 22 | 15 | Windshield Wiper – Reverse Light |
| 23 | 15 | Direction indicator lamps – Rear brake lights |
| Number | Courier | Part No. |
| A | Relay for heating fans | 0 332 014 113 |
| b | RH Headlight Lifting Motor Relay | 0 332 204 101 |
| C | High/low speed wiper relay | 0 332 204 101 |
| D | Headlight Lifting Motor Relay | 0 332 204 101 |
| E | LH headlamp coupling, lifting motor | 0 332 204 101 |
| F | AC condenser electric fan relay | 0 332 014 113 |
| g | Relay for the left electric fan of the water cooler | 0 332 014 113 |
| h | Warning horn | 0 332 014 113 |
| K | Relays for blower heaters | 0 332 014 113 |
| J | Blinker Indicator | – |
| 1 | Relay for the electric water fan on the right side | 0 332 014 113 |
| L | Beam Relay | 0 332 014 113 |
| m | High beam relay | 0 332 014 113 |
| n | Relay for flashing | 0 332 014 113 |
| O | Relay for exterior lights | 0 332 015 006 |
| P | Relay for air conditioning operation | 0 332 204 101 |
| Q | Relay for window motors | 0 332 014 113 |
| r | Fuel pump relay | 0 332 014 113 |
| S | Start relay for fuel injection pump | 0 332 204 101 |
| T | Relay for light elevator motors (with immersed beams on) | 0 332 014 113 |
| U | Relay for key-controlled services | 0 332 014 113 |
| V | Relay for air conditioning control | 0 332 014 113 |
| x | Windshield Wiper Timer Relay | – |
| Y | Clock for indoor lighting. | – |
| Z | A/C Compressor Relay | 0 332 014 113 |
| W | Seat belt control unit | – |
