
In this article you will find a description of fuses and relays Ford,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Power Distribution Box
The power distribution box is located in the engine compartment. It has high-current fuses that protect your vehicleβs main electrical systems from overloads.
β |
A |
Protected Circuits |
1 | β | Powertrain control module |
2 | β | Starter solenoid |
3 | β | Wiper |
4 | β | Trailer tow battery charge |
5 | β | Fuel pump |
6 | β | Trailer tow park lamp |
7 | β | Auxiliary switch #4 |
8 | β | Auxiliary switch #3 |
9 | β | Modified vehicle and stripped chassis run/start |
10 | β | IDM relay (Diesel engine only) |
11 | β | Not used |
12 | 40 | Modified vehicle and stripped chassis run/start |
13 | 30 | Starter solenoid relay |
14 | 40 | Run start relay |
15 | 40 | Modified vehicle and stripped chassis battery |
16 | 50 | Auxiliary air conditioning blower |
17 | 50 | Trailer tow battery charge, Trailer tow park feed |
18 | 30 | Electric trailer brake, Trailer brake controller |
19 | 30 | Auxiliary switch #1 |
20 | 30 | Auxiliary switch #2 |
21 | 50 | IDM relay (diesel engine only) |
22 | β | Not used |
23 | β | Air conditioning clutch |
24 | β | Horn relay (stripped chassis) |
25 | β | Run/start |
26 | β | Not used |
27 | β | Not used |
28 | 20 | Back-up lamp |
29 | 10 | Air conditioning clutch |
30 | 10 | Brake on/off switch |
31 | 10 | Cluster battery (stripped chassis) |
32 | 50 | Blower motor |
33 | 40 | Anti-lock brake system pump |
34 | 20 | Stripped chassis horn |
35 | 40 | Powertrain control module relay |
36 | 20 | Ignition switch (stripped chassis) |
37 | β | Trailer tow stop β left turn signal |
38 | β | Trailer tow stop β right turn signal |
39 | β | Back up lamp |
40 | β | Blower motor |
41 | 10 | Charging (diesel engine only) |
42 | 15 | Diagnostic connector (stripped chassis) |
43 | 20 | Fuel pump |
44 | 10 | Auxiliary switch #3 |
45 | 15 | Auxiliary switch #4 |
46 | 10 | Powertrain control module keep alive power, Canister vent, Powertrain control module relay coil |
47 | 40 | Anti-lock brake system coil |
48 | 20 | Trailer tow stop lamp/turn signal |
49 | 30 | Wiper motor |
50 | β | Not used |
51 | 20 | Cutaway |
52 | 10 | Stripped chassis and modified vehicle run/start relay coil |
53 | 10 | Anti-lock brake system run/start feed |
54 | 10 | Fuel pump relay coil |
55 | 10 | ECM (diesel engine only) |
56 | 20 | DFCM (diesel engine only) |
57 | 20 | Trailer tow park lamp |
58 | 15 | Trailer tow backup lamp |
59 | β | Not used |
60 | β | One Touch Integrated Start (OTIS) (diode) |
61 | β | Auxiliary battery (diode) |
62 | β | Auxiliary switch #2 |
63 | 30 | Trailer tow battery charge |
64 | β | Not used |
65 | 20 | Power point 2 (glove box) |
66 | 20 | Power point 3 (cutaway B+) |
67 | 20 | Power point 1 (instrument panel) |
68 | 50 | Modified vehicle |
69 | β | Not used |
70 | 30 | Stripped chassis |
71 | β | Not used |
72 | 20 | Cigar lighterΒ / Power point |
73 | β | Not used |
74 | 30 | Power seat |
75 | 20 | Vehicle power 1, Powertrain control module power |
76 | 20 | Vehicle power 2, Powertrain control module β emission related powertrain components |
77 | 10 | Vehicle power 3, Powertrain control module β general powertrain components |
78 | 15 | Vehicle power 4, Fuel pump relay coil |
79 | 10 | Vehicle power 5, Transmission |
80 | 10 | Cluster run/start (stripped chassis) |
81 | β | |
82 | β | |
83 | β | Fuel pump (diode) |
84 | β | |
85 | β | Auxiliary switch #1 |
Passenger compartment fuse box
The fuse panel is located to the left of the brake pedal and mounted onto the lower left cowl panel.
β |
A |
Protected components |
1 | 30 | Inverter B+ |
2 | 15 | Not used (spare) |
3 | 15 | Not used (spare) |
4 | 30 | Not used (spare) |
5 | 10 | Passenger compartment fuse panel, Brake-shift interlock |
6 | 20 | Turn signal, Hazard, Stop lamps |
7 | 10 | Left low beam |
8 | 10 | Right low beam |
9 | 15 | Courtesy lamps |
10 | 15 | Switch illumination |
11 | 10 | Not used (spare) |
12 | 7.5 | Not used (spare) |
13 | 5 | Mirrors |
14 | 10 | SYNC, Global positioning system module |
15 | 10 | Not used (spare) |
16 | 15 | Not used (spare) |
17 | 20 | Door locks |
18 | 20 | Not used (spare) |
19 | 25 | Not used (spare) |
20 | 15 | Diagnostic connector (except stripped chassis) |
21 | 15 | Not used (spare) |
22 | 15 | Park lamps, License plate lamps |
23 | 15 | High beams |
24 | 20 | Horn (except stripped chassis) |
25 | 10 | Demand lighting |
26 | 10 | Cluster (except stripped chassis) |
27 | 20 | Ignition switch feed |
28 | 5 | Audio mute (start) |
29 | 5 | Cluster (except stripped chassis) |
30 | 5 | Not used (spare) |
31 | 10 | Not used (spare) |
32 | 10 | Restraints module |
33 | 10 | Trailer brake controller |
34 | 5 | Not used (spare) |
35 | 10 | Cutaway run/start |
36 | 5 | Passive anti-theft system radio frequency module |
37 | 10 | Climate control, Stripped chassis instrument panel #1 run/start |
38 | 20 | Not used (spare) |
39 | 20 | Radio |
40 | 20 | Not used (spare) |
41 | 15 | Radio, Switch illumination, Automatic dimming rear view mirror, Inverter |
42 | 10 | Auxiliary switch |
43 | 10 | Stripped chassis instrument panel connector #1 |
44 | 10 | Trailer tow battery charge relay |
45 | 5 | Wipers, Stripped chassis Engine connector 3 |
46 | 7.5 | Passenger airbag deactivation indicator |
47 | 30 | Windows accessory delay |
48 | β | Delayed accessory |
WARNING:Β Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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