Ford Mustang 2012 Fuse Box Info
Fuse box location:
The fuse panel is located in the lower passenger side area behind the kick panel. Open the trim panel door and remove the fuse cover to access the fuses.
Engine compartment fuse box:
The fuse box is in the front right of the engine compartment.
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 30 A | Driver rear window (convertible only) |
| 2 | 15 A | Not used (spare) |
| 3 | 15 A | SYNC |
| 4 | 30 A | Passenger rear window (convertible only) |
| 5 | 10 A | Brake Transmission Shift Interlock (BTSI) |
| 6 | 20 A | Turn signals, Hazard flashers |
| 7 | 10 A | Left low beam headlamp |
| 8 | 10 A | Right low beam headlamp |
| 9 | 15 A | Courtesy lamps |
| 10 | 15 A | Switch illumination |
| 11 | 10 A | Security module |
| 12 | 7.5 A | Power mirrors |
| 13 | 5 A | Not used (Spare) |
| 14 | 10 A | Center information display, Electronic finish panel, GPS |
| 15 | 10 A | Climate control |
| 16 | 15 A | Not used (Spare) |
| 17 | 20 A | Power door locks, Trunk release |
| 18 | 20 A | Not used (Spare) |
| 19 | 25 A | Navigation amp |
| 20 | 15 A | Diagnostic connector |
| 21 | 15 A | Fog lamps |
| 22 | 15 A | Park lamps, License lamps |
| 23 | 15 A | High beam headlamps |
| 24 | 20 A | Horn |
| 25 | 10 A | Demand lighting (battery saver), Gauge pack, Visor vanity lamps |
| 26 | 10 A | Cluster (battery) |
| 27 | 20 A | Ignition switch feed |
| 28 | 5 A | Audio mute (Start) |
| 29 | 5 A | Camera (Run/Start) |
| 30 | 5 A | Temperature sensor motor |
| 31 | 10 A | Restraints Control Module (RCM) |
| 32 | 10 A | Reverse parking aid |
| 33 | 10 A | Not used (Spare) |
| 34 | 5 A | Electronic stability control |
| 35 | 10 A | Auxiliary Body Module (ABM) Run/Start |
| 36 | 5 A | Passive Anti-Theft System (PATS) |
| 37 | 10 A | Not used (Spare) |
| 38 | 20 A | Not used (Spare) |
| 39 | 20 A | Radio/Navigation |
| 40 | 20 A | Not used (Spare) |
| 41 | 15 A | Accessory delay (windows, automatic dimming rear view mirror [including microphone and compass] and door switch III) |
| 42 | 10 A | Not used (Spare) |
| 43 | 10 A | Heated seat relay coils |
| 44 | 10 A | Not used (Spare) |
| 45 | 5 A | Wiper relay and module, Blower relay |
| 46 | 7.5 A | Passenger airbag deactivation indicator (PADI), Occupant classification sensor (OCS) |
| 47 | 30 A Circuit Breaker | Not used (Spare) |
| 48 | Relay | Accessory delay relay (windows, automatic dimming rear view mirror [including microphone and compass] and door switch III) |
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 80 A* | Passenger compartment fuse panel |
| 2 | - | Not used |
| 3 | - | Not used |
| 4 | 30 A* | Blower motor relay |
| 5 | 20 A* | Powerpoint (body) |
| 6 | 40 A* | Rear defroster |
| 7 | 40 A* | Cooling fan relay |
| 8 | 40 A* | Anti-lock Brake System (ABS) pump |
| 9 | 30 A* | Wipers |
| 10 | 30 A* | ABS valve |
| 11 | - | Not used |
| 12 | - | Not used |
| 13 |
20 A** 25 A** |
Fuel pump relay (non-Shelby) Fuel pump relay (Shelby only) |
| 14 | - | Not used |
| 15 | 10 A** | Intercooler pump relay (Shelby only) |
| 16 | 20 A** | Heated seats |
| 17 | 10 A** | Alternator sense |
| 18 | 20 A* | Auxiliary Body Module (ABM) |
| 19 | 30 A* | Starter relay |
| 20 | 30 A* | Rear amplifier (Shaker 1000 radio) |
| 21 | 30 A* | Powertrain relay |
| 22 | 20 A* | Powerpoint (instrument panel) |
| 23 | 10 A** | Powertrain Control Module (PCM) keep-alive power |
| 24 | 10 A** | Brake on/off (BOO) power |
| 25 | 10 A** | A/C compressor relay |
| 26 | 20 A** | Left high intensity discharge headlamp relay |
| 27 | 20 A** | Right high intensity discharge headlamp relay |
| 28 | - | Not used |
| 29 | 30 A* | Passenger front window |
| 30 | - | Not used |
| 31 | 30 A* | Passenger power seat |
| 32 | 30 A* | Driver power seat |
| 33 | 30 A* | Front amplifier (Shaker 500 radio) |
| 34 | 30 A* | Driver front window motor |
| 35 | 40 A* | Convertible top motor |
| 36 | Diode | Fuel diode |
| 37 | - | Not used |
| 38 | 15 A** | Fuel injectors (Shelby only) |
| 39 | 5 A** | Rear defroster coil (Run/Start) |
| 40 | 15 A** | PCM Vehicle Power 4 – ignition coil |
| 41 | G8VA relay | Fuel pump relay |
| 42 | G8VA relay | Intercooler pump relay (Shelby only) |
| 43 | G8VA relay | A/C compressor relay |
| 44 | - | Not used (spare) |
| 45 | 5 A** | PCM Run/Start |
| 46 | 5 A** | PCM Vehicle Power 3 – general powertrain components |
| 47 | 15 A** | PCM Vehicle Power 1 |
| 48 | 15 A** | Mass air flow sensor |
| 49 | 15 A** | PCM Vehicle Power 2 – emissions related powertrain components |
| 50 | Full ISO relay | Cooling fan relay (high) |
| 51 | Full ISO relay | Blower motor relay |
| 52 | Full ISO relay | Starter relay |
| 53 | Full ISO relay | Rear defroster relay |
| 54 | Full ISO relay | Front wiper relay |
| 55 | Full ISO relay | Cooling fan relay (low) |
| 56 | High current relay | Fuel pump sensor (Shelby only) |
| 57 | Full ISO relay | PCM relay |
| 58 | High current relay | Not used (Spare) |
|
* Cartridge Fuses ** Mini Fuses |
Auxiliary relay with heated seats (if equipped)
On heated seat equipped vehicles, there is a relay box located under the driver seat containing two relays for the driver and passenger heated seats.
