Upgrading Your Fuse Box: 2018 Maserati Grancabrio Guide

Replacing Fuses: Maserati Grancabrio 2018 Fuses and fuse box Diagram

Fuse box upgrades are an important but sometimes disregarded way to improve your car’s safety and performance. This modification can greatly increase the efficiency and dependability of the electrical system in the 2018 Maserati Grancabrio. You may lower the danger of electrical failures and guarantee that electricity is distributed to various components properly by updating the fuse box. This improvement can reduce the likelihood of unexpected faults caused by electrical problems, which can improve the driving experience overall. Upgrading to a newer model will improve protection for your Maserati’s delicate electrical components due to developments in fuse box technology. Purchasing this upgrade shows that you are dedicated to keeping your car operating at its best for as long as possible. With a fuse box update designed specifically for your 2018 Maserati Grancabrio, you can improve your driving experience and stay ahead of possible electrical issues.

2023 Maserati Granturismo Specs, Price, Features, Mileage (Brochure)

Fuse Replacement

Used Fuses Characteristics
When an electrical device is not functioning, check that the corresponding fuse is in proper working order (intact).

• A Fuse intact
• B Fuse blown

Replace the faulty fuse with a new one featuring the same rating, by using appropriate forceps.

The colour identifies the value of the fuses in amperes which is also reported on them.
The vehicle is endowed with mini and maxi fuses.
The table shows the match between the colour and amperage of mini and maxi fuses.

Type
Mini Fuse	Maxi Fuse
Beige – 5	Yellow – 20
Brown – 7,5	Green – 30
Red – 10	Orange – 40
Blue- 15	Red- 50
Yellow – 20	Blue – 60
White – 25
Green – 30

CAUTION!

• Never replace a blown fuse with anything other than a new and suitable fuse (same rating).
• After replacing a fuse, if the fault recurs, contact the Service Network.

Position of Fuses
The fuses are located in three parts of the vehicle, namely:

• On the right-hand side of the boot compartment.
• Behind the glove compartment, to the left of the steering wheel.
• In the boot compartment next to the battery.

Fuses Inside Engine Compartment

• To access the fuses, lift the hood and remove the covering panel.

• Undo the four retaining screws and remove the cover.

The fuses are housed in three control boxes.

The following table points out the position as featured in the picture, the type and function of the fuses included in these control boxes.

CAUTION!
If you need to wash the engine compartment, do not direct the jet of water for too long directly on the engine compartment ECU.

Engine Compartment Fuses

Pos.	Amp. – Colour	System / Component
F01	Maxi 60 A – Blue	Fan 1 relay
F02	Maxi 30 A – Green	ABS valves
F03	Maxi 20 A – Yellow	T03 spot lights relay

Pos.	Amp. – Colour	System / Component
F04	Maxi 40 A – Orange	ABS cylinder
F05	Maxi 40 A – Orange	A/C Node
F06	Maxi 60 A – Blue	Fan 2 relay
F07	30A– Green	T07 I.E. main relay
F08	7.5 A – Brown	T08 – Air conditioner compressor relay
F09	7.5 A – Brown	T05 stop light control relay
F10	15 A – Blue	T06 horn relay
F11	10 A – Red	LH high-beam
F14	7.5 A – Brown	Third stop
F15	15 A – Blue	Alternator sensing
F16	10 A – Red	LH spot light
F17	10 A – Red	RH high-beam
F18	7.5 A – Brown	I.E. bank
F19	7.5 A – Blue	T02 DRL lights relay

Pos.	Amp. – Colour	System / Component
F20	10 A – Red	T17 Key lock solenoid relay
F21	–	Not used
F22	–	Not used
F23	10 A – Red	ABS Electronics
F24	10 A – Red	RH spot light
F30	30A– Green	T20 ignition relay
F81	Maxi 50 A – Red	CPL2
F82	–	Not used
F83	Maxi 50 A – Red	Air pump relay
F84	20A– Yellow	Ignition switch
F85	30A– Green	Headlight washers
F87	–	Not used
F88	15 A – Blue	Main injector/coil relay – cylinders 1-4
F89	15 A – Blue	Main injector/coil relay – cylinders 5-8

Pos.	Amp. – Colour	System / Component
F90	15 A – Blue	Main I.E. relay, secondary connected devices
F91	10 A – Red	Main relay, I.E. ECU
F92	15 A – Blue	Main relay, oxygen sensors
F93	–	Not used
F94	7.5 A– Brown	NCS
F95	7.5 A– Brown	CSG
F96	7.5 A– Brown	Alternator
F97	10 A – Red	I.E. ECU
F98	–	Not used
F99	–	Not used
F100	–	Not used
F101	–	Not used
F102	–	Not used
F103	–	Not used
F104	–	Not used
F105	–	Not used
F106	–	Not used

Pos.	Amp. – Colour	System / Component
F107	–	Not used

Fuses in Passenger Compartment

• To access the fuses lift the guard on the left side of the steering wheel.

The fuses are housed in two control boxes.

The following table points out the position as featured in the picture, the type and function of the fuses included in these control boxes.

Passenger Compartment Fuses

Pos.	Amp. – Colour	System / Component
F12	15 A – Blue	Right-hand low beam
F13	15 A – Blue	Left-hand low beam
F31	7.5 A – Brown	A/C unit, NBC (Body Computer Node), high beam relay
F32	10 A – Red	Dome lights, step lights, CAV, driver- and passenger-side footwell lights, external mirror lights
F33	30 A – Green	Driver’s seat (movement)
F34	30 A – Green	Passenger’s seat (movement)
F35	7.5 A – Brown	ACC, FN and LF relay coil
F36	10 A – Red	NQS
F37	10 A – Red	NQS (Instrument Cluster Node), CPP, CPD
F38	15 A – Blue	Rear lid lock

Pos.	Amp. – Colour	System / Component
F39	15 A – Blue	NIM (Inside Roof Node), NCL (Air conditioning and heating system node), OBD socket, CSA (Alarm system siren ECU), CAV (Motion sensing alarm ECU), radio, NAVTRAK
F40	30 A – Green	Heated rear window
F41	–	Not used
F42	7.5 A – Brown	NCL and windshield wiper control
F43	30 A – Green	Windshield wiper/washer (Connected Devices Relay INT/A)
F44	20 A – Yellow	Front and rear power outlets (INT/A device relay) front seat heating (passenger side)
F45	–	Not used
F46	20 A – Yellow	NPG/NPP locks

Pos.	Amp. – Colour	System / Component
F47	30 A – Green	NPG (Driver’s door node)
F48	30 A – Green	NPP (Passenger’s door node)
F49	7.5 A – Brown	NVO (Steering wheel node), CSG (Power steering ECU), CSP (Twilight/rain sensor ECU), NIM (Inside Roof Node), NCL, Radio, CEM, CRP, dome light moulding, NAVTRAK
F50	7.5 A – Brown	Airbag system
F51	7.5 A – Brown	NCA (Automatic Gearbox Node)
F52	15 A – Blue	Front seat heating (driver side) (INT/A device relay)
F53	10 A – Red	Rear fog lights

Fuses in Boot Compartment

• To access the fuses, remove the floor panel.

• Remove the inside covering panel of the battery compartment.

There are two control boxes.

• To access the fuses inside the control boxes, remove the covers by levering up the fastening tabs.

The following table points out the position as featured in the picture, the type and function of the fuses included in these control boxes.

Boot Compartment Fuses

Pos.	Amp. – Colour	System / Component
F54	30 A – Green	HI-Fi amplifier
F55	7.5 A – Brown	Lights
F56	10 A – Red	+30 NAG, NAVTRAK, Harman tuner, MTC+ (Japan)
F57	–	Not used
F58	7.5 A – Brown	Reverse
F59	15 A – Blue	Fuel tank door power supply from T22
F60	7.5 A – Brown	NSP
F61	20 A – Yellow	Rear RH ACE
F62	20 A – Yellow	NCA
F63	15 A – Blue	+30 battery charge
F64	–	Not used
F65	20 A – Yellow	Rear LH ACE

How to Replace the Fuse of Maserati GranCabrio 2018

1. Fuse box
   • The fuse box in the Maserati GranCabrio 2018 is usually placed in the passenger compartment. It could be in or beneath the dashboard on the driver’s side.
2. Identify the blown fuse
   • Use the fuse box diagram in the owner’s manual to find the fuse that needs to be replaced. The figure depicts the placement and function of each fuse
3. Turn off the ignition
   • Before replacing any fuse, make sure the ignition is turned off to prevent any electrical problems.
4. Remove the blown fuse
   • Using a fuse puller or needle-nose pliers, gently extract the blown fuse from its slot. Be careful not to harm the fuse box or any other nearby components.
5. Inspect the fuse
   • Examine the blown fuse to ensure that it is actually blown. You can accomplish this by physically inspecting the fuse or using a multimeter to check for continuity.
6. Replace the fuse
   • Once you’ve established that the fuse has blown, place a new fuse with the same amperage rating in the empty slot. Make sure it’s correctly seated.
7. Test the circuit
   • Turn on the ignition and check that the new fuse is working properly.
8. Replace the fuse box cover
   • After replacing the fuse, reinstall the fuse box cover.
9. Dispose of the blown fuse
   • Properly dispose of the blown fuse.

FAQs

Useful Links

2018 Maserati Grancabrio Owner’s Manual|Auto User Guide

2023 Maserati Granturismo Specs, Price, Features, Mileage (Brochure)

2018 Maserati Grancabrio Dashboard Cluster | Indicators Guide