Fixing a Blown Fuse: 2020 Vauxhall Mokka B Fuse Diagram and Relay Guide
It’s pretty easy to fix a blown fuse in a 2020 Vauxhall Mokka B, but you need to know what the fuse diagram and relay guide are all about. Power spikes can damage electrical parts, and fuses are an important part of keeping them safe. When a fuse blows, it breaks the connection and stops the car’s electrical system from getting worse. There is a fuse box in the 2020 Vauxhall Mokka B that has many fuses and relays, each one for a different purpose, like the lights, heating, and audio systems. It is important to look at the fuse diagram and relay guide to find the exact fuse that needs to be replaced. It is easy to replace a blown fuse with a new one of the same grade once it has been found. To avoid future electrical problems, it’s important to figure out and fix any problems that may have led to the fuse blowing in the first place. The vehicle’s electrical system will work smoothly if the fuse box is checked and maintained regularly. This makes the vehicle more reliable and safe overall.
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Electrical system
Fuses
Data on the replacement fuse must match the data on the defective fuse.
The three fuse boxes are located in:
- engine compartment
- instrument panel
Before replacing a fuse, turn off the respective switch and the ignition.
A blown fuse can be recognized by its melted wire.
Caution
Do not replace the fuse until the cause of the fault has been remedied.
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 cover of the left side of the instrument panel. 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.
After having changed defective fuses, close the fuse box cover and lock it.
If the fuse box cover is not closed correctly, malfunction may occur.
Non-electric vehicle
| No | Circuit |
| 1 | Climate control system |
| 2 | Brake system |
| 3 | Fuse box (right side of the instrument panel) |
| 4 | Brake system |
| 5 | Body control module |
| 6 | Cooling fan |
| 7 | Body control module |
| 8 | Engine control module / Fuel pump |
| 9 | NOX sensor / Diesel water sensor |
| 10 | Engine control module |
| 11 | Engine control module |
| 12 | Diagnostic link connector |
| 13 | Body control module |
| 14 | Battery sensor |
| 15 | Trailer control module |
| 16 | Right headlight |
| 17 | Engine control module / NOX sensor |
| 18 | Right high beam |
| 19 | Left high beam |
| 20 | Engine control module / Fuel pump / Diesel heater |
| 21 | Starter |
| 22 | Automatic transmission |
| 23 | Climate control system |
| 24 | Climate control system |
| 25 | Fuse box (trailer) |
| 27 | Body control module |
| 28 | Selective catalytic reduction system |
| 29 | Windscreen wiper |
| 30 | Diesel glow plug control unit |
| 31 | Climate control system |
| 32 | Steering wheel |
Electric vehicle
| No | Circuit |
| 1 | Climate control system |
| 2 | Brake system |
| 3 | Fuse box (right side of the instrument panel) |
| 4 | Brake system |
| 6 | Cooling fan |
| 7 | Body control module |
| 8 | Valve climate control |
| 9 | Electric vehicle control unit |
| 10 | Electric vehicle control unit |
| 11 | Electric vehicle control unit |
| 12 | Diagnostic link connector |
| 13 | Body control module / Climate control system |
| 15 | E-service plug |
| 16 | Right headlight |
| 18 | Right high beam |
| 19 | Left high beam |
| 20 | Electric vehicle control unit |
| 22 | Cooling fan / Vacuum pump / Electric vehicle control unit |
| 23 | AC/DC converter / DC/DC converter |
| 25 | High voltage battery interface |
| 26 | Motor controller (electric motor and inverter) |
| 27 | Body control module |
| 29 | Windscreen wiper |
| 30 | Body control module |
| 31 | Body control module |
| 32 | Steering wheel |
Instrument panel fuse box
Fuse box on the left side of the instrument panel
In right-hand drive vehicles, the fuse box is located behind a cover in the glovebox. Open the glovebox and remove the cover.
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Non-electric vehicle
| No | Circuit |
| 1 | Radar / Electric steering / Clutch switch |
| 3 | Inductive charging / Keyless operation |
| 4 | Horn |
| 5 | Windscreen washer |
| 6 | Windscreen washer |
| 7 | USB |
| 8 | Rear wiper |
| 9 | Interior lighting |
| 10 | Central locking system |
| 11 | Central locking system |
| 12 | Diagnostic connector module |
| 13 | Climate control system |
| 14 | Alarm / Vauxhall Connect / Keyless operation |
| 17 | Driver Information Centre |
| 21 | Power button / anti-theft locking system |
| 22 | Rain sensor / Light sensor / Camera |
| 23 | Seatbelt reminder / Brake twin function switch / Trailer |
| 24 | Infotainment / Parking assist / Rear view camera |
| 25 | Airbag |
| 27 | Anti-theft alarm system |
| 28 | Trailer |
| 29 | Infotainment |
| 31 | Cigarette lighter / 12 V power outlet |
| 32 | Heated steering wheel |
| 33 | Climate control system / Automatic transmission |
| 34 | Parking assist / Exterior mirror adjustment |
| 35 | Exterior lighting |
| 36 | Interior lighting |
Electric vehicle
| No | Circuit |
| 1 | Radar / Electric steering / Clutch switch |
| 3 | Inductive charging / Keyless operation |
| 4 | Horn |
| 5 | Windscreen washer |
| 6 | Windscreen washer |
| 7 | USB |
| 8 | Rear wiper |
| 9 | Interior lighting |
| 10 | Central locking system |
| 11 | Central locking system |
| 12 | Diagnostic connector module |
| 13 | Climate control module/radio faceplate |
| 14 | Alarm / Vauxhall Connect / Keyless operation |
| 15 | Electronic shifter module / Headlight control unit |
| 16 | Low voltage network separation device |
| 17 | Driver Information Centre |
| 18 | Reserved for Aftersales equipment |
| 19 | Steering column control / Steering wheel controls |
| 21 | Power button |
| 22 | Rain sensor / Light sensor / Camera |
| 23 | Seatbelt reminder / Brake twin function switch / Trailer |
| 24 | Infotainment / Parking assist / Rear view camera |
| 25 | Airbag |
| 27 | Anti-theft alarm system |
| 28 | Trailer |
| 29 | Infotainment |
| 31 | Cigarette lighter / 12 V power outlet |
| 32 | Heated steering wheel |
| 33 | Pedestrian safety alert / Temperature preconditioning |
| 34 | Parking assist / Exterior mirror adjustment |
| 35 | Exterior lighting |
| 36 | Interior lighting |
Fuse box on the right side of the instrument panel
In right-hand drive vehicles, the fuse box is located behind a cover in the instrument panel. Disengage the cover at the bottom side and remove it. Remove the bracket.
| No | Circuit |
| 1 | Heated rear window |
| 2 | Heated exterior mirrors |
| 3 | Power windows front |
| 4 | Exterior mirror adjustment / Folding mirrors |
| 5 | Power windows rear |
| 10 | Heated front seats |
How to Replace the Fuse of the 2020 Vauxhall Mokka B
Replacing a fuse in a 2020 Vauxhall Mokka B is a relatively simple process. Here’s a step-by-step guide to help you through 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 Mokka B is typically located in the engine bay or under the dashboard on the driver’s side.
- Identify the Blown Fuse: Use the fuse diagram provided on the fuse box cover to identify the fuse that needs replacement. Look for any fuses with a broken filament or discoloration.
- Turn Off the Vehicle: Ensure the vehicle’s ignition is turned off to prevent any electrical mishaps while replacing the fuse.
- Remove the Blown Fuse: Using a fuse puller tool or a pair of needle-nose pliers, carefully grasp the blown fuse and pull it straight out of its socket. Be gentle to avoid damaging the fuse socket or surrounding components.
- Insert the New Fuse: Take a new fuse of the same rating as the blown one and carefully insert it into the empty socket. Make sure it fits securely but avoid forcing it.
- Test the Circuit: Once the new fuse is in place, turn on the ignition to verify if the electrical component associated with the fuse is functioning properly. If the fuse blows again immediately, there may be an underlying issue that requires further investigation.
- Replace Fuse Box Cover: Once you’ve confirmed that the new fuse is working correctly, replace the fuse box cover and ensure it is securely fastened.
- Dispose of the Blown Fuse: Safely dispose of the blown fuse. Fuses are not reusable once they’ve blown.
- Close the Hood or Dashboard: If you access the fuse box in the engine bay, close the hood securely. If it’s under the dashboard, ensure all panels are properly reattached.
- Record the Replacement: It’s a good practice to record the replacement in your vehicle’s maintenance log for future reference.
Tips:
- Always use a fuse with the correct amperage rating to prevent electrical issues or damage to the vehicle.
FAQs
The fuse box in the 2020 Vauxhall Mokka B is typically located in the engine bay or under the dashboard on the driver’s side.
You might need a fuse puller tool or a pair of needle-nose pliers to replace a blown fuse in a 2020 Vauxhall Mokka B.
The fuse diagram in a 2020 Vauxhall Mokka B helps you identify the specific function associated with each fuse in the fuse box.
The fuse diagram for a 2020 Vauxhall Mokka B can usually be found on the fuse box cover.
Before replacing a fuse in a 2020 Vauxhall Mokka B, it’s important to turn off the vehicle’s ignition to prevent electrical mishaps.
You can identify a blown fuse in a 2020 Vauxhall Mokka B by looking for a broken filament or discoloration on the fuse.
If you suspect a blown fuse in a 2020 Vauxhall Mokka B, you should consult the fuse diagram to identify the faulty fuse and replace it with one of the same rating.
If a fuse blows immediately after replacement in a 2020 Vauxhall Mokka B, there may be an underlying electrical issue that requires further investigation.
Blown fuses from a 2020 Vauxhall Mokka B should be safely disposed of according to local regulations.
After replacing a fuse in a 2020 Vauxhall Mokka B, you should test the associated electrical component to ensure proper functionality.
You can record the replacement of a fuse in a 2020 Vauxhall Mokka B in the vehicle’s maintenance log for future reference.
Using a fuse with the wrong rating in a 2020 Vauxhall Mokka B can lead to electrical issues or damage to the vehicle’s components.
It’s a good practice to regularly check and maintain the fuse box in a 2020 Vauxhall Mokka B to ensure the smooth operation of the vehicle’s electrical system.
Useful Links
View Full PDF: 2020 Vauxhall Mokka B User Manual | Auto User Guide
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Warning Lights: 2020 Vauxhall Mokka B Dashboard Symbols Guide