2015 Ford F550 Fuse Box Diagram

This article functions as a detailed technical guide to the 2015 Ford F550 fuse box diagram, providing a crystal-clear overview of the fuse box layout, detailing the purpose of each fuse, and presenting their respective amperage ratings.

Identifying the Fuse Types

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CALLOUTFUSE TYPE

A
Micro 2
BMicro 3
CMaxi
DMini
EM Case
FJ Case
GJ Case Low Profile

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.

2015 Ford F550 Fuse Box Diagram (Power Distribution Box)

Situated within the engine compartment, the power distribution box contains crucial high-current fuses that serve as essential safeguards for the primary electrical systems of your vehicle.

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WARNING   WARNING:  Always disconnect the battery before servicing high-current fuses.
WARNING   WARNING:  To reduce the risk of electrical shock, always replace the cover to the power distribution box before reconnecting the battery or refilling fluid reservoirs.
Fuse or relay number  Fuse amp rating  Protected components  
1  Relay  Blower motor  
2  —  Not used  
3  Relay  Urea heaters (diesel engine)  
4  —  Not used  
5  Relay  Heated mirrors   Rear window defroster  
6  —  Not used  
7  50A*  Heated mirrors   Rear window defroster  
8  30A*  Passenger seat  
9  30A*  Driver seat  
10  40A*  Trailer tow  
11  —  Not used  
12  30A*  Driver 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  Electronic control module (diesel engine)   Powertrain 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**  Electronic control module   Powertrain control module,   Transmission control module run/start  
53  10A**  4×4 module  
54  10A**  Anti-lock brake system run/start  
55  10A**  Rear window defroster 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**  Electronic control module relay coil feed keep-alive power   Powertrain control module  
73  —  Not used  
74  —  Not used  
75  —  Not used  
76  Relay  Trailer tow 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*  Auxiliary switch #1  
95  25A*  Auxiliary switch #2  
96  50A*  Anti-lock brake system pump  
97  40A*  Inverter  
98  —  Not used  
99  40A*  Instrument panel power inverter  
100  —  Not used  
101  Relay  Starter  
102  —  Not used  
103  —  Not used  
104  —  Not used  
105  —  Not used  
106  —  Not used  
107  —  Not used  
*Cartridge fuses **Mini fuses

2015 Ford F550 Passenger Compartment Fuse Panel Diagram

The passenger compartment fuse panel in the 2015 Ford F550 is located in the footwell area on the passenger side. To access the fuses, follow these steps:

Fuse or relay number  Fuse amp rating  Protected components  
1  30A  Not used (spare)  
2  15A  Auxiliary switch relay #4  
3  30A  Passenger smart window motor  
4  10A  Hood lamp   Interior lights  
5  20A  Moonroof  
6  5A  Driver seat module  
7  7.5A  Driver lumbar motor   Driver seat switch  
8  10A  Power mirror switch  
9  10A  Auxiliary switch relay #3  
10  10A  Customer access feed   Run/accessory relay  
11  10A  Instrument cluster  
12  15A  Interior lighting   Lighted running board lamps  
13  15A  Right turn signals and brake lamps  
14  15A  Left turn signals and brake lamps  
15  15A  Backup lamps, Trailer tow backup relay   High-mounted stop lamps   Reverse signal interior mirror  
16  10A  Right low beam headlamp  
17  10A  Left low beam headlamp  
18  10A  Brake shift interlock   Keypad illumination   Passive anti-theft transceiver   Powertrain control module  
19  20A  Amplifier   Subwoofer  
20  20A  Power door locks  
21  10A  Brake on/off switch  
22  20A  Horn  
23  15A  Not used (spare)  
24  15A  Diagnostic connector   Electronic finish panel   Power fold mirror relay   Remote keyless entry   Steering wheel control module  
25  15A  Not used (spare)  
26  5A  Steering wheel control module  
27  20A  Not used (spare)  
28  15A  Ignition switch  
29  20A  GPS module   Radio   SYNC  
30  15A  Parking lamp relay   Trailer tow parking lamp relay  
31  5A  Customer access   Trailer brake controller (brake signal)  
32  15A  Auto dimming mirror   Driver and passenger door lock switch illumination   Driver and passenger smart window motor   Moonroof motor   Passenger window switch   Power inverter   Rear heated seat switch illumination   Telescoping mirror switch  
33  10A  Restraint control module  
34  10A  Heated steering wheel module   Rear heated seats module  
35  5A  Reverse park aid module   Select shift switch   Trailer brake control module  
36  10A  Fuel tank select switch  
37  10A  Positive temperature coefficient heater  
38  10A  AM/FM base radio  
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  Auxiliary switches  
45  5A  Not used (spare)  
46  10A  Climate control  
47  15A  Fog lamps   Fog lamp indicator (in switch)  
48  30A Circuit breaker  Power rear sliding window switch   Power windows switch   Moonroof 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.

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