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If you are an owner of a Volkswagen T4, you know how important it is that all elements of your vehicle function flawlessly. A key aspect is the fuse system, which ensures reliability and safety while driving. In this article, we will present everything you need to know about the fuses in the Volkswagen T4.
Location of the Fuse Box
The first step is locating the fuse box. In the Volkswagen T4 model, this box is situated in the lower part of the dashboard on the driver's side. This location provides easy access to the fuses, facilitating their quick replacement if needed.
Fuse color code
| Color | Amps [A]. |
| Red | 10 |
| blue | 15 |
| Yellow | 25 |
| Green | 30 |
Fuse box in the passenger compartment (from left to right)
Location of the fuse box
The central electrics with relay are located on the left side in the legroom behind the hinged shelf.
Fuse arrangement (from left to right)
T4 (1990-1995) – main fuse box
These fuses are located under the main trim. It may not be equipped.
| NR | A | Function |
|---|---|---|
| 1 | 10 | Left dipped beam |
| 2 | 10 | Right dipped beam |
| 3 | 10 | Illumination of clocks and switches |
| 4 | 15 | Rear window wiper/washer, heated front seats |
| 5 | 15 | Windshield wiper/washer, heated windshield washers |
| 6 | 30 | A/C, air blowing fan |
| 7 | 10 | Right rear lamp, engine compartment light |
| 8 | 10 | Left rear lamp |
| 9 | 20 | Rear window and mirror heating |
| 10 | 15 | Fog lights |
| 11 | 10 | Left traffic light |
| 12 | 10 | Right traffic light |
| 13 | 10 | Horn, heater, radiator fan |
| 14 | 10 | Electric mirrors, windshield washers, cruise control |
| 15 | 10 | Engine electronics |
| 16 | 15 | Emergency lights, multifunction indicator, ABS |
| 17 | 10 | Directions |
| 18 | 20 | Fuel pump |
| 19 | 30 | A/C, radiator fan |
| 20 | 10 | Stoplights |
| 21 | 15 | Interior lighting, clock, radio, central, multifunction indicator, OBD |
| 22 | 10 | Lighter |
T4 (1990-1995) – auxiliary fuses – description
| No. | A | Function |
|---|---|---|
| F1 | 15 | Auxiliary sockets |
| F2 | 15 | Trailer socket |
| F3 | 10 | Sliding roof/lamp |
| F4 | 20 | Auxiliary heater [ACV/AHY/AJT/AUF] |
| F5 | 10 | ABS |
| F6 | 3 | Phone |
| F7 | 15 | Cab |
| F8 | 10 | Fan on the roof |
| F9 | 15 | Audio system |
| F10 | 15 | Central locking |
| F11 | 15 | Heated seats |
| F12 | 30 | Rear window and mirror heating |
| F13 | 3 | Phone [ACV/AHY/AJT/AUF], AC-ATC air conditioning |
| F14 | 20 | AC-ATC/MTC Air Conditioning |
| F15 | 30 | Auxiliary heater, air conditioning AC-ATC/MTC |
T4 (1990-1995) – sheet metal fuses
| NR | A | Function |
|---|---|---|
| 1 | 60 | Glow plugs (diesel engines only) |
| 2 | 50 | Radiator fan |
| 3 | 50 | Radiator fan |
| 4 | 50 | ABS (pump, solenoid valves) |
| 5 | 110 175 | Alternator (depending on the model) |
T4 (1990-1995) – relays – description
| No. | Function |
|---|---|
| 1 | Air conditioning control module relay |
| 2 | Rear window heater/wiper/washer relay |
| 3 | ECM power relay |
| 4 | Load reduction relay |
| 5 | Free |
| 6 | Emergency light relay |
| 7 | Headlight washer relay |
| 8 | Wiper/washer relay |
| 9 | Warning relay, seat belt |
| 10 | Fog lamp/parking light relay |
| 11 | Horn relay |
| 12 | Fuel pump relay |
| 13 | Relay of the heater control module |
| 14 | Coolant pump relay |
| 15 | Free |
| 16 | Free |
| 17 | Free |
| 18 | Roof fan relay |
| 19 | Heater air blower relay |
| 20 | Starter interface/reserve light relay |
| 21 | |
| 22 | |
| 23 | |
| 24 | |
| 25 | |
| 26 | |
| 27 | A/C compressor relay |
The description may vary depending on the year of production, equipment version, purpose of the vehicle.
Specifications of Fuses
The fuses in the Volkswagen T4 vary in their amperage, which means that each of them has a specific task. For example, the 5A fuse is responsible for the interior lighting, while the 15A fuse protects the ignition system. Knowing which fuse is responsible for what allows you to quickly identify a problem.
Replacement of Fuses
If any of the fuses blow, the replacement is straightforward. Here's how to step-by-step replace a fuse in the Volkswagen T4:
- Turn off the Ignition: Open the door and turn off the ignition to avoid the risk of electric shock.
- Locate the Fuse Box: Open the cover and identify the blown fuse.
- Remove the Fuse: Use special pliers or a small wrench to gently remove the damaged fuse.
- Insert the New Fuse: Make sure the new fuse has the appropriate amperage and then insert it in place of the damaged one.
- Check Functionality: Turn the ignition on and make sure everything is working properly.
