Ford F-450 (1992 – 1997) – fuse box diagram
Year of production: 2000, 2001, 2002, 2003
Passenger Compartment Fuse Box
| Number | Ampere rating [A] | Description |
| 1 | 30 | ’94-’97: Heater/Air conditioner blower |
| 15 | ’92-’93: Stop/hazard lamp, Speed control | |
| 2 | 30 | ’94-’97: Wiper/Washer |
| 25 | ’92-’93: Circuit Breaker: Windshield wiper/washer, Internal wiper/washer |
|
| 3 | 3 | Diesel: Idle position switch |
| 4 | 15 | ’94-’97: Exterior lamps, Instrument illumination, Trailer exterior lamp relay, Warning buzzer/chime module |
| 20 | ’92-’93: Turn lamp, License lamps, Anti-theft module, Warning chime, Flash to pass, Trailer running lamp relay, Trailer b/u lamp relay, running lamps, Rear anti-lock brakes (1993) | |
| 5 | 15 | ’93: Air bag module, Del module, Aux. battery relay, Starting system, Transmission control switch, Backup lamps, Turn lamps |
| 6 | 15 | ’94-’97: Air conditioner clutch, Diesel auxiliary fuel selector, Remote keyless entry |
| 20 | 93: Speed control, Remote keyless entry module, Illuminated entry, Accessory tap, Anti-theft module, Trailer batteiy charge relay | |
| 7 | 15 | ’94-’97: Turn lamps |
| 30 | ’92-’93: Ignition system, Instrument cluster, PLA engine (diesel), EEC relay (1992), TFI module (1992), PCM power relay (1993), Ignition control module (1993) | |
| 8 | 15 | ’94-’97: Courtesy/dome/cargo lamps, Electric outside mirrors, Keyless entry, Speedometer, Warning buzzer/chime module ’92-’93: Courtesy lamp switch, Illuminated entry, power mirrors, Visor lamps, Power door lock, Anti-theft indicator, Radio memory, Dome/map lamp, PSOM, Remote convenience module (1992), Remote keyless entry module (1993) |
| 9 | 25 | ’94-’97: Power point |
| 15 | ’92-’93: A/C Switch | |
| 10 | 4 | ’94-’97: Instrument illumination |
| 15 | ’92-’93: Cigar lighter | |
| 20 | ’92-’93: Cigar lighter, Rear power outlet | |
| 11 | 15 | ’94-’97: Radio, Radio display dimmer ’92-’93: Radio and clock, Headlamp switch (1992), Main light switch (1993) |
| 12 | 20 | ’94-’97: Circuit Breaker: Power door locks, Power driver seat, Power lumbar ’92-’93: Circuit Breaker: Anti-theft module, Remote convenience module or without A/T power door locks (1992), Remote keyless entry module or without A/T power door locks (1993), Memory lock module |
| 13 | 15 | ’94-’97: Anti-lock brakes, Brake shift interlock, Electronic engine control, Speed control, Stop/hazard lamps, Stop sense for electronic engine control |
| 5 | ’92-’93: Instrument panel illumination lamps | |
| 14 | 20 | Circuit Breaker: Power windows |
| 15 | 20 | ’94-’97: Anti-lock brakes |
| 15 | ’92-’93: Air bag module | |
| 16 | 15 | ’94-’97: Cigarette lighter, Generic Scan Tool |
| 30 | ’92-’93: Power lumbar, Modified vehicle power | |
| 17 | 10 | ’94-’97: Diesel indicators, Electronic transmission, Gauges, Tachometer, Warning buzzer/chime module, Warning indicators |
| 20 | ’92-’93: Rear anti-lock brakes, PSOM | |
| 18 | 10 | ’94-’97: Brake shift interlock, Speedometer, Selectable RPM control (Diesel), Speed control (Diesel) |
| 15 | ’92-’93: Instrument panel warning lamps, Warning chime |
Engine Compartment Fuse Box (’92-’93)
| Number | Ampere rating [A] | Description |
| 1 | 15 | Horn relay |
| 2 | 10 | Class I trailer running lights, class II trailer running lights relay |
| 3 | 10 | Trailer L/H turn/stop light |
| 4 | 10 | Trailer R/H turn/stop light |
| 5 | — | Diode: Electronic engine control |
| 6 | 20 | Electric brake |
| 7 | 30 | EEC |
| 8 | 50 | Modified vehicle power |
| 9 | 60 | Aux heater-A/C |
| 10 | 60 | Trailer tow, aux battery relay |
| 11 | 60 | Interior fuse panel power feed |
| 12 | 30 | Trailer tow, back-up lights |
| 13 | 40 | Trailer tow |
| 14 | 30 | Fuel pump |
| 15 | 60 | Ignition switch |
| 16 | 60 | Blower motor, cigarette lighter |
| 17 | 50 | Power seats, driver power lumbar |
| Relay | ||
| R1 | Horn | |
| R2 | Fuel pump | |
| R3 | EEC | |
| R4 | Blower | |
Engine Compartment Fuse Box (’94-’97)
| Number | Ampere rating [A] | Description |
| 1 | 20 | Audio power |
| 2 | 15 | 200 Amp alternator (Diesel ambulance only) |
| 3 | 30 | Daytime running lamps (Canada only), Headlamp flash-to-pass, Horn |
| 4 | 25 | Trailer back-up lamps, Trailer running lamps |
| 5 | 15 | Back-up lamps, Daytime running lamp module (DRL) (Canada only), Oxygen sensor heater, Trailer battery charge relay |
| 6 | 10 | Trailer right-hand stop/turn lamp |
| 7 | 10 | Trailer left-hand stop/turn lamp |
| 8 | 30 | Injector driver module (Diesel) |
| 9 | 30 | Gasoline: Powertrain control system |
| 20 | Diesel: Powertrain control system | |
| 10 | 20 | Instrument panel fuses: 15,18, Starter relay coil |
| 11 | — | — |
| 12 | — | Diode: Powertrain control system relay coil |
| 13 | 50 | Instrument panel fuses: 5,9,13 |
| 14 | — | — |
| 15 | 50 | Instrument panel fuses: 1, 7, Power distribution box: fuse 5 |
| 16 | 20 | Gasoline: Fuel pump feed |
| 17 | 50 | Alternator charge lamp, Idle position switch (Diesel), Instrument panel fuses: 2,6, 11,14,17, Power distribution box: fuse 22 |
| 18 | 30 | Trailer battery charge |
| 19 | 40 | Headlamps |
| 20 | 50 | Instrument panel fuses: 4, 8, 12,16 |
| 21 | 30 | Trailer brake feed |
| 22 | 20 | Gasoline: Distributor pickup, Ignition coil, Powertrain control system relay coil, Thick film integrated (TFI) module |
| 30 | Diesel: Fuel line heater, Glow plug controller, Powertrain control system relay coil | |
| Relay | ||
| R1 | Powertrain control system | |
| R2 | Gasoline: Fuel pump Diesel: Injector driver module (IDM relay) |
|
| R3 | Horn | |
| R4 | Trailer tow lamps | |
| R5 | — | |
Additional Fuses
| Fuse | Ampere rating [A] | Location |
| Headlamps & High Beam Indicator | 22 | Circuit Breaker: Integral with Headlamp Switch |
| Gasoline: Alternator, 95 | 12 | Fuse Links: At Starting Motor Relay |
| Fuse Links: At Starting Motor Relay | 12(2) | Fuse Links: At Starting Motor Relay |
| Diesel Glow Plugs | 14(2) | Fuse Links: At Starting Motor Relay |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.