Jonathan Yarden Jan 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.
Fuse box
| Fuse/CB | Ampere rating [A] | Description |
| 1 | 15 | Brake pressure switch, DLC, PSOM, Speed control, stop/hazard/turn lamp |
| 2 | 30 | Wiper control module, windshield wiper motor |
| 3 | — | Not used |
| 4 | 20 | Flash-to-pass, instrument illumination, license lamps, hand and park lamps |
| 5 | 15 | Air bag module, auxiliary battery relay, back-ip lamps, daytime running lamps (DRL) module, hazard lamps, shift locj actuator, transmission control switch, turn lamps |
| 6 | 20 | Accessory tap, anti-thef mdule, illuminated entry, remote keyless entry modulle, speed control, trailer battery charge relay |
| 7 | 10 | Anti-thef module, transmission range sensor, park/neutral posistion switch, powertrain control module (PCM) |
| 8 | 15 | Anti-theft indicator, courtesy lamp switch, dome/map lamp, illuminated entry, power mirrors, radio memory, remote keyless entry module, visior lamps |
| 9 | 15 | Air conditioner switch |
| 10 | 25 | Cigar lighter, power amplifier, rear power outlet |
| 11 | 15 | Headlamp switch, radio |
| 12 | 20 CB | Anti-theft module, power door locks, memory lock module |
| 13 | 5 | Instrument panel illumination lamps |
| 14 | 20 CB | Power windows |
| 15 | 20 | Air bag module |
| 16 | 30 | Modified vehicle power, power lumbar seats |
| 17 | 20 | Programmable speedometer/odometer module (PSOM), rear ant-lock brake system (RABS) |
| 18 | 15 | Instrument panel warning lamps, warning chime |
| Circuit protected | Location | Size |
| Alternator | Starter motor relay | 18 Ga. |
| Alternator | Starter motor relay | 12 Ga. (2) |
| Glow plugs right bank (diesel) | Starter motor relay | 14 Ga. |
| Glow plugs left bank (diesel) | Starter motor relay | 14 Ga. |
| Powertrain control module (diesel) | Starter motor relay | 16 Ga.20 Ga. |
| Ignition switch | Power distribution box | 60 A fuse |
| Trailer tow | Power distribution box | 40 A fuse |
| Trailer tow | Power distribution box | 30 A fuse |
| Fuse panel | Power distribution box | 60 A fuse |
| Aux. panel | Power distribution box | 50 A fuse |
| Blower motor | Power distribution box | 60 A fuse |
| Modified vehicle | Power distribution box | 50 A fuse |
| Electric brake | Power distribution box | 20 A fuse |
| Driver’s power seat/lumbar | Power distribution box | 50 A fuse |
| Turn signal – RH (Trailer tow) | Power distribution box | 10 A fuse |
| Turn signal – LH (Trailer tow) | Power distribution box | 10 A fuse |
| Running lights (Trailer tow) | Power distribution box | 10 A fuse |
| Horn | Power distribution box | 15 A fuse |
| Trailer tow & aux. batt. relay | Power distribution box | 60 A fuse |
| Fuel pump (gas engine only) | Power distribution box | 30 A fuse |
| Powertrain control module | Power distribution box | 30 A fuse |
| Underhood lamp | Power distribution box | 15 A fuse |
| Fuse link color code | |
| Blue | 20 GA. |
| Brown | 18 GA. |
| Black | 16 GA. |
| Green | 14 GA. |
| Gray | 12 GA. |
Power distribution box
| Circuit protected | Type of protection | Location |
| Glow plug right bank | 14 Gauge fuse link | Starter motor relay |
| Glowe plug left bank | 14 Gauge fuse link | Starter motor relay |
| Alternator | 18 Gauge fuse link | Starter motor relay |
| Aleternator | 12 Gauge fuse link (2) | Starter motor relay |
| Diesel PCM relay/KAM | 16 Gauge fuse link20 Gauge fuse link | Starter motor relay |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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