Volvo 1800 (1973) – fuse box diagram
Year of production: 1973
Fuse box
| Position | Function | Ampere rating [A] |
| 1 | Booster fan | 8 |
| 2 | Windshield wipers, washers | 8 |
| 3 | Cigarette lighter, Overdrive (M41) | 8 |
| 4 | Flashers, Warning lamps, brakes, charging, oil pressure, Instruments, Light, seat belts | 5 |
| 5 | Relay for elec. heated tailgate window, Relay for fuel pump | — |
| 6 | Horn relay, Reminder light and buzzer, seat belt, Back-up light | 8 |
| 7 | Spare | 16 |
| 8 | Elec. heated tailgate window | 16 |
| 9 | Brake lights Electric clock | 8 |
| 10 | Map reading lamp, Warning buzzer, ignition key, Interior lighting, Dimmer relay | 5 |
| 11 | Instrument panel light, Rear light, left, and side marking light, License plate light, Parking light, left, and side marking light, Light, heater controls, Light, switches | 5 |
| 12 | Rear light, right, side marking light, Parking light, right, side marking light, Shift positions light (BW35 autom. trans.) | 5 |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.