2023 FORD Mustang Fuses Operation Instructions
Inside the complex electrical system of the 2023 Ford Mustang is a network of important safety devices called fuses. These small but important parts act as sentinels, watching out for possible dangers and keeping the car’s electronics safe. Fuses are very important because they are the first line of defense against electrical overloads. They keep expensive parts and systems from getting damaged. These small, unobtrusive devices are placed in fuse boxes in both the engine compartment and the cabin. If a circuit has too much power, they will stop the flow of electricity. By doing this, they avoid possible risks and keep the electronic framework of the Mustang in good shape. The way the fuses work in the 2023 Ford Mustang shows a proactive approach to safety and system maintenance, with a focus on the combination of current technology and reliability to make driving safe and smooth.
Fuses
FUSE SPECIFICATION CHART
Power Distribution Box
- WARNING: Always disconnect the battery before servicing high current fuses.
- WARNING: To reduce risk of electrical shock, always replace the cover to the power distribution box before reconnecting the battery or refilling fluid reservoirs.
- The power distribution box is in the engine compartment. It has high-current fuses that protect your vehicle’s main electrical systems from overloads.
- If you disconnect and reconnect the battery, you need to reset some features. See Changing the 12V Battery.
- Replace fuses with the same type and rating. See Changing a Fuse.
Fuse or Relay Number | Fuse Rating | Protected Component |
1 | 60A1 | Electronic fan 1 (GT500). |
— | Not used (base). | |
2 | — | Not used. |
3 | 30A1 | Electronic fan 1 (base). |
— | Not used (GT500). | |
4 | 40A1 | Electronic fan 3 (base). |
— | Not used (GT500). | |
5 | 50A1 | Automatic brake system pump. |
6 | 50A1 | Body control module. |
7 | 60A1 | Body control module. |
8 | 50A1 | Body control module. |
9 | 40A1 | Rear window defroster. |
10 | 40A1 | Blower motor. |
11 | 30A2 | Left-hand front window. |
12 | 30A2 | Driver seat. |
13 | 30A2 | Passenger seat. |
14 | 30A2 | Climate controlled seat module. |
15 | 20A2 | Convertible top slave motor (base). |
— | Not used (GT500). | |
16 | 15A2 | Charge air cooler pump (GT500). |
— | Not used (base). |
Fuse or Relay Number | Fuse Rating | Protected Component |
17 | 20A2 | Convertible top master motor (base). |
— | Not used (GT500). | |
18 | — | Not used. |
19 | 20A3 | Steering column lock relay (base). |
10A3 | Transmission control unit (GT500). | |
20 | 10A3 | Brake on-off switch. |
21 | 20A3 | Horn. |
22 | 10A3 | Powertrain control module relay. |
23 | 10A3 | Air conditioning clutch. |
24 | 30A2 | Voltage quality module. |
25 | 20A2 | Steering column lock relay (GT500). |
— | Not used (base). | |
26 | 25A2 | Windshield wiper motor. |
27 | — | Not used. |
28 | 30A2 | Automatic brake system valve. |
29 | — | Not used. |
30 | 30A2 | Starter motor solenoid. |
31 | — | Not used. |
32 | 10A3 | Latch relay coil. |
33 | 15A3 | Run/start (base). |
20A3 | Left-hand high-intensity discharge head- lamps (GT500). | |
34 | 15A3 | Exhaust valves. |
Fuse or Relay Number | Fuse Rating | Protected Component |
35 | 20A3 | Right-hand high-intensity discharge head- lamps (GT500). |
— | Not used (base). | |
36 | 10A3 | Alternator sense. |
37 | — | Not used. |
38 | 20A3 | Vehicle power 1. |
39 | — | Not used. |
40 | 20A3 | Vehicle power 2. |
41 | 15A3 | Fuel injectors. |
42 | 15A3 | Vehicle power 3. |
43 | — | Not used. |
44 | 15A3 | Vehicle power 4 (base). |
30A3 | Vehicle power 4 (GT500). | |
45 | — | Not used. |
46 | 20A2 | Differential pump (Mach 1, GT500). |
— | Not used (base). | |
47 | — | Not used. |
48 | 30A2 | Fuel pump #2 (GT500). |
— | Not used (base). | |
49 | 30A2 | Fuel pump. |
50 | — | Steering column lock relay. |
51 | — | Not used. |
52 | — | Horn relay. |
53 | 20A2 | Cigar lighter. |
Fuse or Relay Number | Fuse Rating | Protected Component |
54 | 20A2 | Auxiliary power point. |
55 | 25A2 | Electronic fan 2 (base). |
— | Not used (GT500). | |
56 | — | Not used. |
57 | — | Air conditioning clutch relay. |
58 | — | Not used. |
59 | — | Exhaust valves relay. |
60 | 5A3 | Powertrain control module. |
61 | — | Not used. |
62 | 5A3 | Anti-lock brakes run/start switch. |
63 | — | Not used. |
64 | 5A3 | Electronic power assist steering. |
65 | — | Not used. |
66 | 5A3 | Blind spot information system. Rear view camera. Rear window defroster relay coils. Vehicle dynamics module. |
67 | — | Not used. |
68 | 10A3 | Headlamp leveling switch (base). |
10A3 | Signature lighting (GT500). | |
69 | — |
|
74 | 5A3 | Mass air flow sensor (base). |
— | Not used (GT500). | |
75 | 5A3 | Rain sensor module (base). |
Fuse or Relay Number | Fuse Rating | Protected Component |
— | Not used (GT500). | |
76 | — | Rear window defroster relay. |
77 | — | Electronic cooling fan 2 relay (base). |
— | Not used (GT500). | |
78 | — | Run/start relay (base). |
— | Not used (GT500). | |
79 | — | Charge air cooler pump relay (GT500). |
— | Not used (base). | |
80 | — | Windshield wiper relay. |
81 | — | Starter motor solenoid relay. |
82 | — | Powertrain control module relay. |
83 | — | Cooling fan relay (GT500). |
— | Not used (base). | |
87 | 10A3 | Heated exterior mirrors. |
88 | — | Not used. |
89 | — | Electronic fan 1 relay (base). |
— | Not used (GT500). | |
90 | — | Differential pump relay (Mach 1, GT500). |
— | Not used (base). | |
91 | — | Electronic fan 3 relay (base). |
— | Not used (GT500). | |
92 | — | Blower motor relay. |
93 | — | Fuel pump #2 relay (GT500). |
Fuse or Relay Number | Fuse Rating | Protected Component |
— | Not used (base). | |
94 | — | Fuel pump relay. |
- 1 J-case fuses.
- 2 M-case fuses.
- 3 Micro fuses.
Note: Spare fuse amperage may vary.
Passenger Compartment Fuse Panel
- The fuse panel is in the right-hand side of the passenger footwell behind a trim panel and plastic key code card.
- To remove the trim panel, lift it from the rear retaining hooks, while pulling it toward you and swinging it away from the side. To reinstall it, line up the tabs with the grooves on the panel, drop the panel back into place, and then push it shut.To reach the fuse panel, first remove the key code card.
- After replacing a fuse, return the key code card to the original position. To reinstall the trim panel, lineup the tabs with the grooves on the panel, drop the panel back into place, and then push it shut to reinstall the trim panel.
Fuse or Relay Number | Fuse Rating | Protected Component |
1 | — | Not used. |
2 | 10A | Power windows. Electrochromic mirror. Power door locks. |
3 | 7.5A | Power mirrors (base). Memory seats (base). |
— | Not used (GT500). | |
4 | 20A | Not used (spare). |
5 | — | Not used. |
6 | 10A | Not used (spare). |
7 | 10A | Not used (spare). |
8 | 5A | Telematic control unit – modem. |
9 | 5A | Not used. |
10 | — | Not used. |
11 | — | Not used. |
12 | 7.5A |
|
13 | 7.5A | Steering column control module. Instrument cluster. |
14 | 15A | Not used. |
15 | 15A |
|
16 | — | Not used. |
17 | 7.5A | Headlamp leveling switch (base). |
— | Not used (GT500). | |
18 | 7.5A | Not used. |
19 | 5A | Not used. |
20 | 5A | Intrusion sensor module. |
Fuse or Relay Number | Fuse Rating | Protected Component |
21 | 5A | In-vehicle temperature and humidity sensor. |
22 | 5A | Auxiliary body module. |
23 | 30A | Amplifier. |
24 | 30A | Vehicle dynamics module. |
25 | 20A | Ambient lighting module (base). Auxiliary body module. |
26 | 30A | Right-hand front-window motor (power distribution module). Passenger door control unit. |
27 | 30A | Left-hand rear-window power (base). |
— | Not used (GT500). | |
28 | 30A | Right-hand rear-window power (base). |
— | Not used (GT500). | |
29 | 15A | Gateway module (base). Not used (spare) (GT500). |
30 | 5A | Not used (spare) |
31 | 10A | Remote keyless entry. |
32 | 20A | Audio unit. |
33 | — | Not used. |
34 | 30A | Run/start bus. |
35 | 5A | Power distribution box run/start relay (base). |
— | Not used (GT500). | |
36 | 15A | Front camera (base). |
— | Not used (GT500). | |
37 | 20A | Heated steering wheel module (base). |
— | Not used (GT500). |
Note: Spare fuse amperage may vary.
CHANGING A FUSE
Fuses
WARNING: Always replace a fuse with one that has the specified amperage rating. Using a fuse with a higher amperage rating can cause severe wire damage and could start a fire.
If electrical components in the vehicle are not working, a fuse may have blown. Blown fuses are identified by a broken wire within the fuse. Check the appropriate fuses before replacing any electrical components.
Fuse Types
Callout | Fuse Type |
A | Micro 2 |
B | Micro 3 |
C | Maxi |
D | Mini |
Callout | Fuse Type |
E | M Case |
F | J Case |
G | J Case Low Profile |
FAQ
Fuses are safety devices designed to protect electrical circuits from overloading, preventing damage to components and systems.
The 2023 Ford Mustang typically has one or more fuse boxes, which are often located in the engine compartment and/or the interior cabin.
Accessing the fuse boxes usually involves opening panels or compartments in the designated locations. Consult the owner’s manual for specific instructions.
Fuses prevent excessive current from flowing through circuits, safeguarding against electrical component damage and potential hazards.
When a fuse blows, the electrical component or system connected to that fuse will cease to function. This helps prevent further damage.
Yes, replacing fuses is generally straightforward. Refer to the owner’s manual for information about the correct fuse type and location.
Certain models might come with spare fuses stored in the fuse box or another designated compartment. Check the owner’s manual for details.
Yes, the fuse box cover often includes a diagram or legend that indicates the function of each fuse and its corresponding electrical component.
Visually inspect the fuse; a blown fuse will usually have a broken or melted filament inside. Alternatively, you can use a multimeter to test continuity.
No, it’s not recommended to use a higher amperage fuse than specified, as it can lead to electrical component damage or even fire. Always use the correct fuse rating.
If a fuse repeatedly blows, it indicates an underlying electrical issue. Have the vehicle inspected by a professional to diagnose and address the problem.
Fuses are one-time protection devices that need replacement when they blow. Circuit breakers might offer a reset option, but fuses generally require replacement.
Always ensure the ignition is off and any relevant electrical components are disconnected to prevent accidental shorts. Use insulated tools and handle the fuse box carefully.
Yes, various electrical systems, including infotainment and navigation, might have dedicated fuses. Refer to the owner’s manual for specific fuse locations.
For comprehensive information about fuses, their operation, and troubleshooting, refer to the owner’s manual, Ford’s official documentation, or contact a Ford dealership for assistance.
Useful Links
View Full PDF: 2023 FORD Mustang Owner’s Manual| Auto User Guide
2023 FORD Mustang Transmission Guidelines