Jonathan Yarden Mar 25, 2021 · 5 min. read
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
| Fuse or relay | Ampere rating [A] | Protected circuits |
| 1 | 20 | Upfitter switches (AUX 2 and AUX 4)/Trailer 12V socket pin |
| 2 | 30 | Power seat (driver) |
| 3 | 30 | Power seat (passenger) |
| 4 | 15 | Windshield washer relay, Washer pump motor |
| 5 | 5 | Brake warning switch (hydraulic brake vehicles only) |
| 6 | 20 | Upfitter switches (AUX 1 and AUX 3) |
| 7 | 15 | Brake pressure switches, ABS event relay |
| 8 | 20 | DEF (Urea) line heaters (diesel engine only) |
| 9 | 20 | Ignition switch, Starter cutoff |
| 10 | 15 | Air tank moisture removal valve |
| 11 | 30 | Electric trailer brake |
| 12 | 20 | Passenger compartment fuse box 5 and 21 |
| 13 | 15 | Instrument cluster/Gateway module |
| 14 | 20 | Nitrogen oxide sensor (diesel engine only) |
| 15 | — | Not used |
| 16 | 5 | Bendix® Air ABS |
| 17 | — | Not used |
| 18 | 10 | Fuel transfer pump |
| 19 | 15 | Powertrain control module power 1 (gasoline engine only) |
| 20 | 10 | Powertrain control module power 2 (gasoline engine only) |
| 21 | 20 | Powertrain control module power 3 (gasoline engine only) |
| 24 | — | Not used |
| 101 | 30 | Bendix Air ABS relay (Air brake vehicles only) |
| Hydraulic brakes module (hydraulic brake vehicles only) | ||
| 102 | 20 | Ignition switch |
| 103 | 20 | Ignition switch, Passenger compartment fuse box fuses 19, 29 and 30 |
| 104 | 20 | Power point |
| 105 | 20 | Power door lock switches |
| 106 | 30 | Main light switch, Multi-function switch |
| 107 | 50 | Passenger compartment fuse box fuses 1, 2, 3, 4, 12, 13, 14 and 15 |
| 108 | 40 | Fuel heater (diesel engine only) |
| 20 | Fuel pump module (gasoline engine only) | |
| 109 | 40 | Power window |
| 110 | 30 | Windshield wiper |
| 111 | 30 | Body builder relay, Parking lamps |
| 112 | 40 | Blower motor |
| 113 | 30 | Heated seats, Air-Ride seat |
| 114 | — | Not used |
| 115 | 20 | Ignition switch, Passenger compartment fuse box fuses 8, 9, 10 and 11 |
| 116 | 30 | Left/Right turn relays, Back up lamp relay |
| 117 | 20 | Stop lamps |
| 118 | 60 | Hydraulic brake vehicles (trailer tow package only) |
| 601 | 60 | Trailer socket |
| 602 | 60 | Air brake trailer tow fuse block |
| 201 | — | Windshield washer relay |
| 202 | — | Wiper high/low relay |
| 203 | — | Wiper run/park relay |
| 204 | — | Windshield wiper relay |
| 205 | — | Body builder relay, right turn |
| 206 | — | Body builder relay, left turn |
| 207 | — | ABS event relay (hydraulic brake vehicles only) |
| 208 | — | Body builder relay, back up lamps relay |
| 209 | — | Auxiliary stop lamp relay |
| 301 | — | Fuel heater/Fuel transfer pump relay (diesel engine only) |
| — | Fuel pump module (gasoline engine only) | |
| 302 | — | Body builder relay, parking lamps relay |
| 303 | — | Blower motor relay |
| 304 | — | DEF (Urea) line heaters relay (diesel engine only) |
| — | Powertrain control module power VPWR1 (gasoline engine only) |
| Individual maxi fuse holder in engine compartment | ||
| Fuse or relay | Ampere rating [A] | Protected circuits |
| 9925 | 30 | Hydraulic brakes pump motor 1 |
Passenger compartment fuse panel
The fuse box is located behind the passenger airbag cover. You can access it through the glove box
| Fuse or relay | Ampere rating [A] | Protected circuits |
| 1 | 20 | Horn |
| 2 | 15 | Flasher relay |
| 3 | 20 | Power point |
| 4 | 10 | Data Link Connector (DLC), Engine diagnostic connector, Parking brake warning |
| 5 | 15 | Run relay |
| 6 | — | Not used |
| 7 | — | Not used |
| 8 | 5 | Radio, GEM |
| 9 | 5 | Power window relay |
| 10 | 15 | Heated mirrors |
| 11 | 5 | Wiper and washer systems |
| 12 | 10 | Transmission shift selector |
| 13 | 20 | Radio/SYNC®, Power mirrors |
| 14 | 10 | Interior lamp relay |
| 15 | 10 | Interior lamp relay |
| 16 | 15 | High beams, Indicator |
| 17 | — | Not used |
| 18 | 5 | Dimmer switch, Interior lighting |
| 19 | 15 | Engine control (diesel engine only) |
| 20 | 5 | Starting system |
| 21 | 10 | DRL resistor |
| 22 | 15 | Air horn, Air suspension dump, Two-speed axle, Driver-controlled locking differential |
| 23 | 10 | Flasher relay |
| 24 | 15 | Hydraulic brakes relay, Fuel heater relay (diesel engine only), Air dryer |
| 25 | 10 | Blower motor relay coil |
| 26 | 10 | Right-hand low beam headlight |
| 27 | — | Not used |
| 28 | 10 | Left-hand low beam headlight |
| 29 | 10 | Cluster, GEM |
| 30 | 15 | Allison electronic transmission |
| 31 | 15 | Mirror fold relay |
| Relay 1 | — | Interior lamps |
| Relay 2 | — | Not used |
| Relay 3 | — | Horn |
| Relay 4 | — | Not used |
| Relay 5 | — | Not used |
Relay center
The relay center is located along the passenger side A-pillar on the right side of the footwell.
| Relay | Relay description |
| R1 | Spring applied hydraulic release warning chime module or PCM power VPWR 2, 3 and 4 |
| R2 | A/C compressor clutch |
| R3 | Power windows |
| R4 | Flasher (standard/LED) |
| R5 | Upfitter relay 1 |
| R6 | Upfitter relay 2 |
| R7 | Headlights |
| R8 | Cummins starter lockout |
| R9 | Upfitter relay 3 |
| R10 | Starter |
| R11 | DCU (diesel engine only) |
| R12 | Two–speed axle/Differential lock |
| R13 | Door lock |
| R14 | Air tank moisture valve |
| R15 | DRL #1 |
| R16 | Heated mirrors |
| R17 | Spare |
| R18 | Upfitter relay 4 |
| R19 | Shift interlock/EPRNDL display |
| R20 | Selective Catalyst Reduction (SCR) system (NOx) (diesel engine only) |
| R21 | Run |
| R22 | Door unlock |
| R23 | ABS warning indicator |
| R24 | DRL #2 |
| R25 | Park lights |
| R26 | Spare |
Trailer tow relays (if equipped)
| Fuse or relay | Ampere rating [A] | Protected circuits |
| 1 | 30* | Trailer tow ABS feed (non electric trailer brake vehicles only) |
| 2 | 30* | Trailer tow park/marker lamps |
| 3 | 30* | Trailer tow stop lamps |
| 4 | 30* | Trailer tow turn/stop lamps (combined) |
| Trailer tow turn lamps (separate) | ||
| 5 | — | Not used |
| R1 | — | Trailer tow ABS relay (non electric trailer brake vehicles only) |
| R2 | — | Trailer tow marker lamp relay |
| R3 | — | Trailer tow stop lamp relay |
| R4 | — | Trailer tow tail lamp relay |
| R5 | — | Not used |
| R6 | — | Not used |
| R7 | — | Trailer tow left turn lamp relay |
| R8 | — | Trailer tow right turn lamp relay |
| *Maxi fuse | ||
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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