In this technical guide, we will explore the intricacies of the 2013 Ford F350 fuse box diagram. We will delve into the various components, fuse ratings, and their corresponding functions, helping you decipher the complex network of electrical connections within your vehicle.
By the end, you’ll have the knowledge and confidence to navigate the fuse box diagram with ease, ensuring a safe and reliable driving experience.
Table of Contents
Standard Fuse Amperage Rating and Color
| COLOR | |||||
| Fuse rating | Mini fuses | Standard fuses | Maxi fuses | Cartridge maxi fuses | Fuse link cartridge |
| 2A | Grey | Grey | — | — | — |
| 3A | Violet | Violet | — | — | — |
| 4A | Pink | Pink | — | — | — |
| 5A | Tan | Tan | — | — | — |
| 7.5A | Brown | Brown | — | — | — |
| 10A | Red | Red | — | — | — |
| 15A | Blue | Blue | — | — | — |
| 20A | Yellow | Yellow | Yellow | Blue | Blue |
| 25A | Natural | Natural | — | Natural | Natural |
| 30A | Green | Green | Green | Pink | Pink |
| 40A | — | — | Orange | Green | Green |
| 50A | — | — | Red | Red | Red |
| 60A | — | — | Blue | Yellow | Yellow |
| 70A | — | — | Tan | — | Brown |
| 80A | — | — | Natural | Black | Black |
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.
2013 Ford F350 Fuse Box Diagram (Power Distribution Box)
The power distribution box, situated in the engine compartment, houses high-current fuses that serve to safeguard your vehicle’s primary electrical systems against overloads.
If the battery has been disconnected and reconnected, see Changing the Vehicle Battery in the Maintenance chapter of the owner’s manual.
| Fuse or relay location | Fuse amp rating | Protected circuits |
| 1 | Relay | Blower motor |
| 2 | — | Not used |
| 3 | Relay | Urea heaters (diesel engine) |
| 4 | — | Not used |
| 5 | Relay | Rear window defroster, Heated mirrors |
| 6 | — | Not used |
| 7 | 50A* | Rear window defroster, Heated mirrors |
| 8 | 30A* | Passenger seat |
| 9 | 30A* | Driver seat |
| 10 | — | Not used |
| 11 | — | Not used |
| 12 | 30A* | Smart window motor |
| 13 | — | Not used |
| 14 | — | Not used |
| 15 | Diode | Fuel pump (diesel engine) |
| 16 | — | Not used |
| 17 | 15A** | Heated mirror |
| 18 | — | Not used |
| 19 | — | Not used |
| 20 | — | Not used |
| 21 | — | Not used |
| 22 | 30A* | Trailer tow electric brake |
| 23 | 40A* | Blower motor |
| 24 | — | Not used |
| 25 | 30A* | Wipers |
| 26 | 30A* | Trailer tow park lamps |
| 27 | 25A* | Urea heaters (diesel engine) |
| 28 | — | Buss bar |
| 29 | Relay | Trailer tow park lamps |
| 30 | Relay | A/C clutch |
| 31 | Relay | Wipers |
| 32 | — | Not used |
| 33 | 15A** | Vehicle power 1 |
| 34 | 15A** | Vehicle power 2 (diesel engine) |
| 20A** | Vehicle power 2 (gas engine) | |
| 35 | 10A** | Vehicle power 3 |
| 36 | 15A** | Vehicle power 4 (diesel engine) |
| 20A** | Vehicle power 4 (gas engine) | |
| 37 | 10A** | Vehicle power 5 (diesel engine) |
| 38 | Relay | Powertrain control module (diesel engine), Electronic control module (gas engine) |
| 39 | 10A** | 4×4 hub lock |
| 40 | 15A** | 4×4 electronic lock |
| 41 | — | Not used |
| 42 | 20A** | Rear heated seats |
| 43 | — | Not used |
| 44 | — | Not used |
| 45 | 10A** | Run/start relay coil |
| 46 | 10A** | Transmission control module keep-alive power (diesel engine) |
| 47 | 10A** | A/C clutch feed |
| 48 | Relay | Run/start |
| 49 | 10A** | Rearview camera system |
| 50 | 10A** | Blower motor relay coil |
| 51 | — | Not used |
| 52 | 10A** | Powertrain control module /Electronic control module / Transmission control modulerun/start |
| 53 | 10A** | 4×4 module |
| 54 | 10A** | Anti-lock brake system run/start |
| 55 | 10A** | Rear window defroster coil,Battery charge coil |
| 56 | 20A** | Passenger compartment fuse panel run/start feed |
| 57 | Relay | Fuel pump |
| 58 | — | Not used |
| 59 | — | Not used |
| 60 | — | Not used |
| 61 | — | Not used |
| 62 | — | Not used |
| 63 | — | Not used |
| 64 | — | Not used |
| 65 | — | Not used |
| 66 | 20A** | Fuel pump |
| 67 | — | Not used |
| 68 | 10A** | Fuel pump relay coil |
| 69 | — | Not used |
| 70 | 10A** | Trailer tow backup lamp |
| 71 | 10A** | Canister vent (gas engine) |
| 72 | 10A** | Powertrain control module / Electronic control module relay coil feed keep-alive power |
| 73 | — | Not used |
| 74 | Relay | Trailer tow left-hand stop/turn |
| 75 | Relay | Trailer tow right-hand stop/turn |
| 76 | Relay | Backup lamp |
| 77 | — | Not used |
| 78 | — | Not used |
| 79 | — | Not used |
| 80 | — | Not used |
| 81 | — | Not used |
| 82 | 20A* | Auxiliary power point #2 |
| 83 | 20A* | Auxiliary power point #1 |
| 84 | 30A* | 4×4 shift motor |
| 85 | 30A* | Heated/cooled seats |
| 86 | 25A* | Anti-lock brake system coil feed |
| 87 | 20A* | Auxiliary power point #5 |
| 88 | 20A* | Auxiliary power point #6 |
| 89 | 40A* | Starter motor |
| 90 | 25A* | Trailer tow battery charge |
| 91 | — | Not used |
| 92 | 20A* | Auxiliary power point #4 |
| 93 | 20A* | Auxiliary power point #3 |
| 94 | 25A* | Upfitter #1 |
| 95 | 25A* | Upfitter #2 |
| 96 | 50A* | Anti-lock brake system pump |
| 97 | 40A* | Inverter |
| 98 | — | Not used |
| 99 | 40A* | Instrument panel power inverter |
| 100 | 25A* | Trailer tow turn signals |
| 101 | Relay | Starter |
| 102 | Relay | Trailer tow battery charge |
| 103 | — | Not used |
| 104 | — | Not used |
| 105 | — | Not used |
| 106 | — | Not used |
| 107 | — | Not used |
| * Cartridge fuses ** Mini fuses | ||
Passenger Compartment Fuse Panel
| Fuse or relay location | Fuse amp rating | Protected circuits |
| 1 | 30A | Not used (spare) |
| 2 | 15A | Upfitter relay #4 |
| 3 | 30A | Smart window motor |
| 4 | 10A | Interior lights, Hood lamp |
| 5 | 20A | Moonroof |
| 6 | 5A | Driver seat module |
| 7 | 7.5A | Driver seat switch, Driver lumbar motor |
| 8 | 10A | Power mirror switch |
| 9 | 10A | Upfitter relay #3 |
| 10 | 10A | Run/accessory relay, Customer access feed |
| 11 | 10A | Instrument cluster |
| 12 | 15A | Interior lighting, Lighted running board lamps |
| 13 | 15A | Right turn signals and brake lamps, Right trailer tow stop turn relay |
| 14 | 15A | Left turn signals and brake lamps,Left trailer tow stop turn relay |
| 15 | 15A | High-mounted stop lamps, Backup lamps, Trailer tow backup relay, Reverse signal interior mirror |
| 16 | 10A | Right low beam headlamp |
| 17 | 10A | Left low beam headlamp |
| 18 | 10A | Keypad illumination, Passive anti-theft indicator, Powertrain control module, Brake shift interlock |
| 19 | 20A | Subwoofer, Amplifier |
| 20 | 20A | Power door locks |
| 21 | 10A | Brake on/off switch |
| 22 | 20A | Horn |
| 23 | 15A | Not used (spare) |
| 24 | 15A | Steering wheel control module, Diagnostic connector, Power fold mirror relay, Remote keyless entry, Electronic finish panel |
| 25 | 15A | Not used (spare) |
| 26 | 5A | Steering wheel control module |
| 27 | 20A | Not used (spare) |
| 28 | 15A | Ignition switch |
| 29 | 20A | SYNC, GPS module, Radiofaceplate |
| 30 | 15A | Parking lamp relay, Trailer tow parking lamp relay |
| 31 | 5A | Trailer brake controller (brake signal), Customer access |
| 32 | 15A | Moonroof motor, Telescoping mirror switch, Auto dimming mirrors, Power inverter, Driver and passenger door lock switch illumination, Rear heated seat switch illumination |
| 33 | 10A | Restraint control module |
| 34 | 10A | Heated steering wheel module,Rear heated seats module |
| 35 | 5A | Select shift switch, Reverse park aid module, Trailer brake controlmodule |
| 36 | 10A | Fuel tank select switch |
| 37 | 10A | PTC heater |
| 38 | 10A | AM/FM radio faceplate |
| 39 | 15A | High beam headlamps |
| 40 | 10A | Parking lamps (in mirrors), Roof marker lamps |
| 41 | 7.5A | Passenger airbag deactivation indicator |
| 42 | 5A | Not used (spare) |
| 43 | 10A | Wiper relay |
| 44 | 10A | Upfitter switches |
| 45 | 5A | Not used (spare) |
| 46 | 10A | Climate control |
| 47 | 15A | Fog lamps, Fog lamp indicator(in switch) |
| 48 | 30A CircuitBreaker | Power windows switch, Power rear sliding window switch |
| 49 | Relay | Delayed accessory |
Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.