Fuse and relay box diagrams – Porsche 924
Applies to vehicles manufactured over the years:
1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991.
Type 1
| Number | Amps [A] | Description |
| 1 | 8 | Passing lights (left) |
| 2 | 8 | Passing lights (right) |
| 3 | 8 | Traffic Lights (left) |
| 4 | 8 | Traffic Lights (right) |
| 5 | 16 | Additional driving lights |
| 6 | 8 | Stop lights, emergency flasher, headlight concealment motor |
| 7 | 8 | Clock, interior lighting, cigar lighter, radio, trunk light |
| 8 | 8 | Turn signals, brake warning light |
| 8 | Stoplights | |
| 9 | 8 | Reversing lights, rear wiper, outside mirror motor, turn indicators |
| 10 | 16 | Fresh Air Fan |
| 16 | Exterior mirror heater, rear window defroster control cable | |
| 11 | 8 | Windshield wipers, washer pump |
| 12 | 8 | Registration lights, trunk lights, ashtray lights, instrument and switch lights, glove box lights |
| 13 | 8 | Lateral marker (right) |
| 14 | 8 | Side marker (left), engine compartment light |
| 15 | 16 | Fog Lights |
| 8 | Front fog light | |
| 1 | 8 | Retracting headlights |
| 16 | Hidden headlight engine | |
| 8 | Horn | |
| 2 | 16 | Fuel pump, auxiliary air valve, control pressure regulator, frequency valve (oxygen sensor) |
| 3 | 16 | Radiator fan, antenna |
| 16 | Fan motor | |
| 4 | 25 | Rear window defogger |
| 5 | 16 | A/C condenser fan |
| 6 | 25 | A/C compressor, fresh air blower |
| 7 | 8 | Rear fog light |
| 8 | 25 | Supply of windows |
| 16 | Supply of windows | |
| 9 | 25 | Lift roof, rear door release motor |
| 25 | Fan, rear door release motor | |
| Relay | ||
| R1 | Bridge (term. 56 – 56b) | |
| Headlight and Beam | ||
| R2 | Additional driving lights | |
| R3 | Horn | |
| Blower | ||
| R4 | Intermittent Windshield Wiper | |
| R5 | Turn signals/emergency flashers | |
| R6 | Cooling Fan | |
| Horn | ||
| R7 | Fuel Pump | |
| Headlight Washer System | ||
| R8 | Air conditioning system (blower) | |
| Fog Lights | ||
| R9 | Headlight Washer System | |
| R10 | Warning time with gong (USA) | |
| Catalyst monitoring control (Japan) | ||
| Seat belt warning | ||
| R11 | Rear window and seat belts | |
Models with air conditioning have two additional relays under the dashboard next to the center console.
| Number | Courier |
| 1 | Blower |
| 2 | Air conditioning system |
| Number | Courier |
| 1 | Radio |
| 2 | Supply of windows |
Type 2
| Number | Amps [A] | Description |
| 1 | 25 | Raised roof, hatchback edition |
| 2 | 25 | Headlight engine |
| 3 | 15 | Horn |
| 4 | 30 | Supply of windows |
| 5 | 15 | Fog Lights |
| 6 | 30 | Seat adjustment |
| 7 | – | – |
| 8 | – | – |
| 9 | – | – |
| 10 | 25 | Cooling Fan #2 |
| 11 | 15 | Cigarette lighter, hatchback edition, clock, fuel gauge, glove box interior lighting |
| 12 | – | – |
| 13 | 30 | Rear defogger glass, heated mirror |
| 14 | 30 | Fan |
| 15 | 25 | Cooling Fan #2 |
| 16 | 15 | Headlight engine |
| 17 | 7,5 | Heating, air conditioner compressor clutch |
| 18 | 7,5 | Instruments, roof inspection, hall reception, gong |
| 19 | 15 | Stop light, cruise control |
| 20 | 7,5 | Traffic Lights (left) |
| 21 | 7,5 | Traffic lights (right) |
| 22 | 7,5 | Passing lights (left) |
| 23 | 7,5 | Passing lights (right) |
| 24 | 30 | Windshield wiper, heated wiper nozzles, windshield and headlight, washer pump |
| 25 | 25 | Seat heating |
| 26 | – | – |
| 27 | – | – |
| 28 | 25 | Backup Light |
| 29 | – | – |
| 30 | 7,5 | Rear left turn signal and side light |
| 31 | 7,5 | Left-turn signal |
| 32 | 7,5 | Right turn signal |
| 33 | 7,5 | Right turn signal and side light |
| 34 | 15 | Fuel pump, oxygen sensor |
| 35 | – | – |
| 36 | 7,5 | Radio |
| 37 | 7,5 | Headlight engine |
| 38 | 7,5 | Instrument Illumination |
| 39 | 7,5 | Radio |
| 40 | 7,5 | Left parking light and right license plate light |
| 41 | 7,5 | Parking light right and left, engine compartment light |
| Relay | ||
| A | A/C Compressor | |
| b | Roof support | |
| C | – | |
| D | – | |
| E | – | |
| F | – | |
| g | Fog Lights | |
| h | Fog Lights | |
| i | – | |
| J | Fixer X | |
| K | Headlight cleaning system | |
| L | Gong, catalytic converter | |
| m | Bridges | |
| n | Supply of windows | |
| O | Buzzer | |
| P | Intermittent Wipers | |
| Q | Cooling Fan | |
| r | Fan | |
| S | Fixer 15 | |
| T | Rear window and fuse test socket | |
| U | Activate signal flashing | |
| V | WME | |
