Repair Fuses: 2020 Vauxhall Astra K Fuses and Fuse Box Diagram Guide
It comes with a fuse box in the engine area of the 2020 Vauxhall Astra K. There are different fuses in the fuse box that protect different electrical parts of the car from overloads or short circuits. If a fuse blows, it needs to be changed to a new one that can handle the same amount of current. That is why the fuse box image is useful for figuring out which fuse goes with which part. This image shows where each fuse is located and what it does, which makes it easier for drivers to find and fix electrical problems in their cars. Understanding how the fuse box is set up and using the diagram can make replacing fuses and getting different car systems working again faster.
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Electrical system
Fuses
Data on the replacement fuse must match the data on the defective fuse. There are three fuse boxes in the vehicle:
- engine compartment
- instrument panel
- load compartment
Before replacing a fuse, turn off the respective switch and the ignition.
A blown fuse can be recognized by its melted wire.
Caution
Some functions are protected by several fuses. Fuses may also be inserted without the existence of a function.
Fuse extractor
A fuse extractor may be located in the fuse box in the engine compartment. The extractor has two sides, each side is designed for a different type of fuse.
Grab the fuse with the fuse extractor and withdraw the fuse.
Engine compartment fuse box
The fuse box is in the front left of the engine compartment.
Disengage the cover and remove it.
| No | Circuit |
| 1 | Starter |
| 2 | Starter |
| 3 | Exhaust sensor |
| 4 | Engine control module |
| 5 | Engine functions / Aeroshutter |
| 6 | Transmission control module |
| 7 | Forward collision alert / Adaptive Cruise Control |
| 8 | Engine control module |
| 9 | Climate control system |
| 10 | Diesel exhaust system |
| 11 | Tailgate locking system / Transmission |
| 12 | Seat lumbar massage |
| 13 | After boiling the pump / Diesel Exhaust system |
| 14 | Diesel exhaust system |
| 15 | Exhaust sensor |
| 16 | Fuel injection |
| 17 | Fuel injection |
| 18 | Diesel exhaust system |
| 19 | – |
| 20 | – |
| 21 | – |
| 22 | ABS |
| 23 | Washer system for windscreen and rear window |
| 24 | – |
| 25 | Diesel fuel heating |
| 26 | Transmission control module |
| 27 | Power tailgate module |
| 28 | – |
| 29 | Heated rear window |
| 30 | Mirror defrost |
| 31 | – |
| 32 | DC transformer / LED display / Electrical heater / Climate control / Glow plug controller |
| 33 | – |
| 34 | Horn |
| 35 | Engine control module |
| 36 | Right high beam (Halogen, Eco LED) / Right low beam (LED) |
| 37 | Left high beam (Halogen, Eco LED) |
| 38 | LED headlight / Automatic headlight range adjustment |
| 39 | Front fog light |
| 40 | Central Gateway Module |
| 41 | – |
| 42 | Manual headlight range adjustment |
| 43 | Fuel pump |
| 44 | Rearview camera / Inside rearview mirror / Trailer module |
| 45 | LED headlight left / Automatic headlight range adjustment left |
| 46 | Instrument cluster |
| 47 | Steering column lock |
| 48 | Rear wiper |
| 49 | Outside rearview mirror |
| 50 | LED headlight right / Automatic headlight range adjustment right |
| 51 | Left low beam (LED) |
| 52 | Engine control module / Transmission control module |
| 53 | Windscreen wiper |
| 54 | Windscreen wiper |
| 55 | Diesel Exhaust system |
| 56 | – |
| 57 | – |
After having changed defective fuses, close the fuse box cover and press until it engages.
If the fuse box cover is not closed correctly, malfunction may occur.
Instrument panel fuse box
The fuse box is located behind a cover.
Pull the cover on the left side to remove it.
| No | Circuit |
| 1 | Rear seat heating (only for vehicles without alarm horn) |
| 2 | Climate control system/fan |
| 3 | Power seat driver-side |
| 4 | Power seat passenger side |
| 5 | ABS |
| 6 | Power window front |
| 7 | – |
| 8 | Heated steering wheel |
| 9 | Body Control Module 8 |
| 10 | Power window rear |
| 11 | Sunroof |
| 12 | Body Control Module 6 |
| 13 | Seat heating (only on vehicles without alarm horn) |
| 14 | Exterior mirror |
| 15 | Body control module 1 |
| 16 | Body Control Module 7 |
| 17 | Body control module 4 |
| 18 | Body control module 3 |
| 19 | Data link connector |
| 20 | Airbag system |
| 21 | Climate control system |
| 22 | Central locking system/tailgate |
| 23 | Electronic key system |
| 24 | Power seat memory function |
| 25 | Airbag system steering wheel |
| 26 | Ignition switch / Steering column lock |
| 27 | Body control module 2 |
| 28 | USB socket |
| 29 | Cigarette lighter / Power outlet front |
| 30 | Selector lever |
| 31 | Rear window wiper |
| 32 | Transmission control module |
| 33 | Anti-theft alarm system / Power sounder |
| 34 | Parking assist / Side blind spot alert / Infotainment system / USB socket |
| 35 | SOS |
| 36 | Info Display / Instrument cluster |
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After having changed defective fuses, close the fuse box cover:
- Apply the cover on the right side.
- Fold the left side of the cover forwards. Take care that the securing clamp is guided as shown in the illustration.
Load compartment fuse box
The fuse box is located on the left side of the load compartment behind a cover.
Remove the cover.
Disengage the fuse box cover and remove it.
| No | Circuit |
| 1 | – |
| 2 | – |
| 3 | Trailer module |
| 4 | – |
| 5 | – |
| 6 | – |
| 7 | – |
| 8 | – |
| 9 | – |
| 10 | – |
| 11 | Amplifier |
| 12 | Front seat heating (on vehicles with alarm horn) |
| 13 | Rear seat heating (on vehicles with alarm horn) |
| 14 | Ignition |
| 15 | Seat ventilation |
| 16 | Trailer outlet |
| 17 | Trailer outlet |
| 18 | – |
| 19 | – |
| 20 | – |
| 21 | Electrical rear seat folding |
| 22 | – |
After having changed defective fuses, close the fuse box cover and press until it engages.
Additional fuses are located near the vehicle battery.
| No | Circuit |
| 1 | Engine control module |
| 2 | Fuel pump |
| 3 | Power supply |
How to Replace the Fuse of the 2020 Vauxhall Astra K
Replacing a fuse in a 2020 Vauxhall Astra K should be a relatively straightforward process. Here’s a general guide on how to do it:
Materials:
- The new fuse of the correct amperage.
- Fuse puller or needle-nose pliers.
Instructions:
- Locate the fuse box: The fuse box in the Vauxhall Astra K is typically located in one of two places: either under the dashboard on the driver’s side or in the engine compartment.
- Identify the blown fuse: Open the fuse box cover and locate the fuse that needs to be replaced. Usually, there’s a diagram on the inside of the fuse box cover that shows which fuse corresponds to which electrical component.
- Turn off the vehicle: Before you start working on replacing the fuse, make sure the vehicle is turned off to avoid any electrical mishaps.
- Remove the blown fuse: Using a fuse puller or a pair of needle-nose pliers, carefully grip the blown fuse and pull it straight out of its socket. Be gentle to avoid damaging the fuse box or surrounding components.
- Check the replacement fuse: Make sure the replacement fuse has the same amperage rating as the blown fuse. Using a fuse with the wrong amperage rating can cause electrical issues or damage to your vehicle.
- Insert the replacement fuse: Carefully insert the replacement fuse into the empty socket, making sure it’s seated securely.
- Close the fuse box: Once the replacement fuse is in place, close the fuse box cover securely.
- Test the electrical component: Turn the vehicle back on and test the electrical component that was previously not working to ensure that the new fuse has solved the issue.
- Dispose of the blown fuse: Safely dispose of the blown fuse. You can usually do this by throwing it away in your household trash.
Tips:
Always use a fuse with the correct amperage rating to prevent electrical issues or damage to the vehicle.
FAQs
Fuses in the 2020 Vauxhall Astra K serve to protect electrical circuits from damage caused by excessive current flow.
The fuse box in the 2020 Vauxhall Astra K is typically located in the engine compartment or inside the cabin, depending on the model variant.
A blown fuse in the 2020 Vauxhall Astra K can be identified by a visibly melted wire within the fuse or a break in the metal strip inside.
Typically, no special tools are required to replace a fuse in the 2020 Vauxhall Astra K. However, a fuse puller or a pair of needle-nose pliers may be handy.
Yes, the 2020 Vauxhall Astra K may use various types of fuses, including blade fuses and mini-blade fuses.
Access to the fuse box in the 2020 Vauxhall Astra K typically involves locating and opening a panel in the engine compartment or interior cabin.
Fuse replacement in the 2020 Vauxhall Astra K is usually straightforward and can be done by the vehicle owner without professional assistance.
Various electrical components, including lights, power windows, audio systems, and more, are protected by fuses in the 2020 Vauxhall Astra K.
It’s essential to use the correct type and amperage of fuse as a replacement in the 2020 Vauxhall Astra K to prevent electrical system damage.
The correct amperage for replacing a fuse in the 2020 Vauxhall Astra K is typically indicated on the fuse box cover.
Yes, a blown fuse in the 2020 Vauxhall Astra K is often visibly damaged, with the metal strip inside broken or melted.
Some models of the 2020 Vauxhall Astra K may come with spare fuses included in the fuse box or stored elsewhere in the vehicle.
Before replacing a fuse in the 2020 Vauxhall Astra K, it’s essential to turn off the vehicle’s electrical system to prevent electrical shock or damage.
It’s a good practice to periodically inspect the fuses in the 2020 Vauxhall Astra K, especially if you encounter electrical issues with the vehicle.
The 2020 Vauxhall Astra K typically uses standard blade-type fuses.
Useful Links
View Full PDF: 2020 Vauxhall Astra K User Manual | Auto User Guide
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Instrument Cluster Guide: 2020 Vauxhall Astra K Dashboard Lights Meanings