VW Jetta mk1 (1979 – 1983) – fuse box diagram
Fuse box
| Fuse | Description | Ampere rating [A] |
| 1 | Headlight, Low Beam, Left | 10 |
| 2 | Headlight, Low Beam, Right | 10 |
| 3 | License Plate Lights | 10 |
| 4 | Rear Window Wiper And Washer System | 15 |
| 5 | Windshield Wiper/Washer | 15 |
| 6 | Fresh Air Blower, A/C | 20 |
| 7 | Tail Lights, Right | 10 |
| 8 | Tail Lights, Left | 10 |
| 9 | Rear Window Defogger | 20 |
| 10 | Fog Lights | 15 |
| 11 | Headlight, High Beam, Left | 10 |
| 12 | Headlight, High Beam, Right | 10 |
| 13 | Horn | 10 |
| 14 | Back-Up Lights | 10 |
| 15 | Engine Electronics | 10 |
| 16 | Power Sunroof, Front Map/Reading Light | 15 |
| 17 | Emergency Flashers | 10 |
| 18 | uel Pump (FP), Heated Oxygen Sensor (HO2S) Control Module | 20 |
| 19 | Coolant Fan, A/C Relay | 30 |
| 20 | Brake Lights | 10 |
| 21 | Interior Lights, Clock, Luggage Compartment light | 15 |
| 22 | Cigarette Lighter, Radio, Luggage Compartment Release | 10 |
Fuse/Relay Panel – Rear Connections (Volkswagen Part Number 357 937 039)
| Connection and plugs | Description | |
| A1 | Yellow 8 pin | Headlight wiring harness |
| A2 | Yellow 8 pin | Headlight wiring harness |
| B | Green 6 pin | Headlight washer wiring harness |
| C | Yellow 8 pin | Headlight or wiper motor wiring harness |
| D | Green 12 pin | Miscellaneous equipment, varies (A/C, A/T, heated seats, seat belt warning, etc.) |
| E | Green 5 pin | Instrument or brake light wiring harness |
| F | White 10 pin | Engine compartment/engine management, wiring harness, right side (position 10 open) |
| G1 | White 12 pin | Engine compartment/engine management, right side |
| G2 | White 12 pin | Engine compartment/engine management, right side (position 12 open) |
| H1 | Red 10 pin | Steering column switch wiring harness |
| H2 | Red 8 pin | Steering column switch wiring harness (position 8 open) |
| J | Red 10 pin | Steering column switch wiring harness |
| K | Black 12 pin | Rear wiring harness |
| L | Black 8 pin | Rear/Parking brake wiring harness (position 8 open) |
| M | Black 6 pin | Rear/fuel tank wiring harness |
| N | Green 6 pin | Air conditioning wiring harness |
| P | Blue 10 pin | Rear window defroster/fog light wiring harness |
| Q | Blue 6 pin | Fresh air blower fan wiring harness (position 10 open) |
| R | Blue 10 pin | Light switch wiring harness |
| S | White 5 pin | Engine compartment/wiper motor wiring harness, right side |
| T | Green 2 pin | Individual circuits |
| U1 | Blue 14 pin | Instrument cluster wiring harness |
| U2 | Blue 14 pin | Instrument cluster wiring harness |
| V | Green 4 pin | Steering column switch Multi-function indicator wiring harness |
| W | Green 6 pin | Miscellaneous optional equipment, varies with vehicle type |
| X | Green 8 | Warning lamp wiring harness |
| Y | n/a 1 pin | 4 single point connectors for terminal 30 circuit (some may be bridged with red connector) |
| Z1 | n/a 1 pin | Single point connector |
| Z2 | n/a 1 pin | Single point connector for terminal 31 circuit |
| 30 | n/a 1 pin | Single point connector for terminal 30 circuit (may be bridged to 30B with red connector) |
| 30B | n/a 1 pin | Single point connector for terminal 30 circuit (may be bridged to 30 with red connector) |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.