Replacing Fuse: 2021 Vauxhall Mokka B Fuse Diagrams and Relay Guide
When you need to replace the fuses in your 2021 Vauxhall Mokka B, you need to have the correct fuse diagrams and relay guide on hand to make sure the electrical system works right. In the fuse diagram, you can see the different fuses and the circuits that they protect. The relay guide, on the other hand, helps you figure out which relays control which electrical parts. With this knowledge, it will be easy to find and replace any blown fuses or broken relays, which will help the electrical systems in your car work again. Looking at the fuse maps and relay guide can also help you figure out what’s wrong with your car’s electricity and keep it from getting worse.
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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 2021 Vauxhall Mokka B
Replacing a fuse in a 2021 Vauxhall Mokka B is 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 Mokka B is usually located in the engine compartment or inside the vehicle, often beneath the dashboard on the driver’s side.
- Identify the Faulty Fuse: Inside the fuse box, there should be a diagram or legend indicating which fuse controls which component. You’ll need to identify the fuse that needs replacing.
- Turn Off the Vehicle: Before you start working on the fuse, it’s essential to turn off the vehicle’s engine and remove the key from the ignition for safety.
- Remove the Fuse: Using a fuse puller tool or a pair of needle-nose pliers, carefully pull out the faulty fuse from its slot. Be gentle to avoid damaging the fuse or the fuse box.
- Check the Fuse: Inspect the fuse to confirm that it’s blown. A blown fuse will have a broken wire or a visibly damaged filament inside.
- Replace the Fuse: Insert a new fuse of the same rating into the slot where the old fuse was removed. Make sure the new fuse is seated securely in the slot.
- Close the Fuse Box: Once the new fuse is in place, close the fuse box securely.
- Test the Component: After replacing the fuse, test the component or system that was previously malfunctioning to ensure that it now functions properly.
- Dispose of the Old Fuse: Safely dispose of the old fuse. If it’s blown, it’s no longer usable and should be discarded properly.
- Final Checks: Before finishing, double-check that all other systems and components in the vehicle are working correctly. It’s also a good idea to visually inspect the fuse box and surrounding area to ensure everything is in order.
Tips:
Always use a fuse with the correct amperage rating to prevent electrical issues or damage to the vehicle.
FAQs
Vauxhall, a subsidiary of Stellantis.
The 2021 Vauxhall Mokka B typically has one or more fuse boxes located in various positions within the vehicle.
Fuses protect electrical circuits by breaking the circuit if there’s an overload or short circuit, preventing damage to the vehicle’s electrical components.
Visually inspecting the fuse or using a multimeter can help identify a blown fuse. In some cases, the fuse will have a visibly broken wire inside.
The main fuse box in the 2021 Vauxhall Mokka B is typically located under the dashboard or in the engine compartment.
Yes, replacing a fuse in the 2021 Vauxhall Mokka B is typically a straightforward task that can be done by following the instructions provided.
To access the fuse box in the engine compartment, you may need to remove a cover secured by clips or screws, typically located near the battery.
The 2021 Vauxhall Mokka B typically uses blade-type fuses, also known as spade or plug-in fuses.
Fuses in the 2021 Vauxhall Mokka B are designed to protect electrical circuits from overloading or short-circuiting, thereby preventing damage to the vehicle’s electrical system.
Fuse failure in the 2021 Vauxhall Mokka B can occur due to electrical overloads, short circuits, or faulty electrical components.
It is not recommended to use a higher-rated fuse as a replacement, as it could lead to damage to the vehicle’s electrical system. Always replace fuses with the same rating.
The correct fuse rating for replacement can be found in the fuse box cover. Using a fuse with the wrong rating can result in electrical problems or damage.
Before replacing a fuse in the 2021 Vauxhall Mokka B, it’s important to disconnect the battery to avoid the risk of electrical shock or damage to the vehicle’s electrical system. Additionally, always replace fuses with the ignition turned off to prevent electrical shorts.
Yes, consulting a relay guide can be helpful, especially when troubleshooting electrical issues. The relay guide provides information on the location and function of relays, which are often related to the fuses in controlling various electrical systems.
Useful Links
View Full PDF: 2021 Vauxhall Mokka B Owner’s Manual | Auto User Guide
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