In this article, we will explore the specifics of the 1997 Ford F250 fuse box diagram, helping you understand the various fuses and their corresponding functions. With this knowledge at your disposal, you’ll be better equipped to identify and resolve electrical issues efficiently, saving both time and money.
Table of Contents
F250 Light Duty Fuse Box Diagram
Standard fuse amperage ratings and colors
| Fuse rating | Color |
| 7.5 amp | Brown |
| 10 amp | Red |
| 15 amp | Blue |
| 20 amp | Yellow |
| 30 amp | Light green |
| 30 amp fuse link | Pink |
| 40 amp | Green |
| 60 amp fuse link | Yellow |
| 80 amp fuse link | Black |
| 100 amp fuse link | Blue |
Instrument Panel Fuses
| Position | Amps | Description |
| 1 | 15 | Stop/turn lamps and turn indicators |
| 2 | 5 | Instrument cluster |
| 3 | 25 | Cigarette lighter |
| 4 | 5 | Power mirrors, autolamp, remote anti-theft/keyless entry, headlamp relay and parking lamp relay |
| 5 | 15 | Speed control, daytime running lamps, climate control blend door, backup lamps, A/C clutch coil |
| 6 | 5 | Brake-shift interlock, generic electronic module (GEM)/central timer module (CTM) and air suspension module |
| 7 | – | Not used |
| 8 | 5 | Radio, remote anti-theft/keyless entry, GEM module/CTM module |
| 9 | – | Not used |
| 10 | – | Not used |
| 11 | 30 | Wiper system |
| 12 | 5 | On-board diagnostic (OBD II) data link connector |
| 13 | 15 | Brake ON/OFF switch, rear anti-lock brake module and brake pressure switch |
| 14 | 15 | Interior lamps and accessory delay relay |
| 15 | 5 | GEM module/CTM module |
| 16 | 20 | High beam headlamps |
| 17 | – | Not used |
| 18 | 5 | Instrument illumination |
| 19 | 10 | Air bag diagnostic monitor, instrument cluster |
| 20 | 5 | GEM module/CTM module and powertrain control module (PCM) |
| 21 | 15 | Starter relay |
| 22 | 10 | Air bag diagnostic monitor and passenger air bag deactivate switch |
| 23 | 10 | 4WD clutch relay, electronic flasher, 4WD/2WD vacuum solenoids and trailer tow battery charge relay |
| 24 | 10 | I/P blower relay |
| 25 | 5 | 4WABS module and relay |
| 26 | 10 | Right low beam headlamp and DRL module |
| 27 | 5 | Foglamp relay |
| 28 | 10 | Left low beam headlamp |
| 29 | 5 | Autolamp, instrument cluster, transmission control indicator lamp and switch |
| 30 | 30 | Ignition coils and PCM relay |
| 31 | – | Not used |
Relays
| Position | Description |
| 1 | Interior lamps relay |
| 2 | Battery saver relay |
| 3 | Not used |
| 4 | One touch down relay |
| 5 | Accessory delay relay |
1997 Ford F250 Fuse Box Diagram (Power Distribution Box)
The Power Distribution Box is responsible for safeguarding your vehicle’s primary electrical systems from overloads through the use of high-current fuses. These fuses establish the vital connection between the battery and the various electrical components in your vehicle.
To easily identify the capacity of the high-current fuses, they are color-coded as follows: 30 amp fuses are light green, 40 amp fuses are orange, 50 amp fuses are red, and 60 amp fuses are blue. This color coding system allows for quick and efficient identification of the appropriate fuse capacity when inspecting or replacing fuses in the Power Distribution Box.
Important Notes
- Ford recommends that high-current fuses be replaced by a qualified technician.
- A blown high current fuse may be replaced but will continue to blow until the cause of the overload condition is corrected.
Steps to open the hood of the 1997 Ford F250
To access the engine compartment of your vehicle, follow these steps:
- Find the hood release handle located beneath the bottom left corner of the instrument panel inside the vehicle. This handle is typically positioned near the driver’s side footwell.
- Pull the hood release handle firmly to activate the primary latch that secures the hood. You may need to exert some force, but the hood should release.
- Once you’ve pulled the hood release handle, move to the front of the vehicle. Look for the auxiliary latch, which is situated under the right center of the hood.
- Locate the handle or mechanism associated with the auxiliary latch and release it. This can usually be done by sliding the handle or disengaging the mechanism, depending on your vehicle’s design.
- With the auxiliary latch now released, you can gently lift the hood upward. The lift cylinders in place should support the hood, allowing it to stay open.
| Position | Amps | Description |
| 1 | 20 | Trailer tow back-up and tail lamps |
| 2 | 10 | Air bag diagnostic monitor |
| 3 | 15 | Power locks |
| 4 | 15 | Air suspension |
| 5 | 20 | Horn |
| 6 | 15 | Audio system |
| 7 | 15 | Parking and tail lamps |
| 8 | 30 | Headlamps |
| 9 | 15 | Daytime running lamps and fog lamps |
| 10 | 25 | Auxiliary power point |
| 11 | – | Not used |
| 12 | – | Not used |
| 13 | – | Not used |
| 14 | 60/20 | 4WABS/rear anti-lock brake |
| 15 | 50 | Air suspension compressor |
| 16 | 40 | Trailer tow battery charge and stop/turn lamps |
| 17 | 30 | 4WD transfer case shift motor and clutch |
| 18 | 30 | Driver power seat |
| 19 | 20 | Fuel pump |
| 20 | 50 | Instrument panel fuse panel ignition switch feed |
| 21 | 50 | Instrument panel fuse panel ignition switch feed |
| 22 | 50 | I/P fuse panel battery feed |
| 23 | 40 | I/P blower |
| 24 | 30 | PCM power |
| 25 | 30 | Power windows |
| 26 | – | Not used |
| 27 | – | Not used |
| 28 | 30 | Trailer tow electronic brake |
| 29 | – | Not used |
Primary Battery Fuses
The primary battery fuses can be found beneath the PRIMARY BATTERY FUSE cover, adjacent to the starter relay.
It is important to note that Ford strongly advises that mega fuses should only be handled by a qualified service technician.
| Location | Amperage | Description |
| 1 | 175 | Power network box megafuse |
| 2 | 175 | Alternator megafuse |
| 3 | 20 | Alternator field minifuse |
Engine Mini Fuse Panel
The mini fuse panel is located behind the power distribution box.
| Location | Amperage | Description |
| 1 | 5 | Powertrain control module (PCM) |
| 2 | 20 | Trailer tow stop/turn lamps |
| 3 | – | Not used |
| 4 | – | Not used |
| 5 | – | Not used |
| 6 | – | Not used |
Ford F250 Heavy Duty Fuse Box Diagram
| Fuse/CB Loe. | Fuse Amp. Rating | Description |
| 1 | 30 Amp | • Heater IAir conditioner blower |
| 2 | 30 Amp | • Wiper / Washer |
| 3 | 3 Amp | • Idle position switch (Diesel) |
| 4 | 15 Amp | • Exterior lamps• Instrument illumination• Trailer exterior lamp relay• Waming buzzer Ichime module |
| 5 | • Not used | |
| 6 | 15 Amp | • Air conditioner clutch• Diesel auxiliary fuel selector• Remote keyless entry |
| 7 | 15 Amp | • Turn lamps |
| 8 | 15 Amp | • Courtesy Idome/ cargo lamps• Electric outside mirrors• Keyless entry• Speedometer• Waming buzzer Ichime module |
| 9 | 25 Amp | • Power point |
| 10 | 4 Amp | • Instrument illumination |
| 11 | 15 Amp | • Radio• Radio display dimmer |
| 12 | 20 Amp Circuit Breaker | • Power door locks• Power driver seat• Power lumbar |
| Fuse/CB Loe. | Fuse Amp. Rating | Description | |
| 13 | 15 Amp | • Anti-lock brakes• Brake shift interlock• Electronic engine control• Speed control• Stop/ hazard lamps• Stop sense for electronic engine control | |
| 14 | 20 Amp C.B. | • Power windows | |
| 15 | 20 Amp | • Anti-lock brakes | |
| 16 | 15 Amp | • Cigarette lighter• Generic Scan Tool | |
| 17 | lO Amp | • Diesel indicators• Electronic transmission• Gauges• Tachometer• Waming buzzer Ichime module• Waming indicators | |
| 18 | lO Amp | • Brake shift interlock• Speedometer• Selectable RPM control (Diesel)• Speed control (Diesel) | |
| Circuit Protected | Size | Location | |
| Headlamps & High Beam Indicator | 22 Amp Circ. Brkr. | Integral with Headlamp Switch | |
| Windshield Wiper and Washer Pump | 30 Amp Fuse | Fuse Panel | |
| Electric Brakes (Trailer) | 30 Amp Maxi Fuse | Power Distribution Box | |
| Trailer Lam.)s (Relay Feed | 25 Amp Fuse | Power Distribution Box | |
| Alternator, 95 Amp | 12 Ga. Fuse Link | At Starting Motor Relay (Gasoline Engine) | |
| Alternator, 130 Amp | (2) 12 Ga. Fuse Links | At Starting Motor Relay (Diesel Engine) | |
| Powertrain Control Module | 20 Amp Maxi Fuse | Power Distribution Box | |
| Fuel Pump | 20 Amp Maxi Fuse | Power Distribution Box | |
| Headlamp Switch | 40 Amp Maxi Fuse | Power Distribution Box | |
| Diesel Glow Plugs | (2) 14 Ga. Fuse Links | At Starting Motor Relay | |
| Power Windows | 20 Amp C.B. | Fuse Panel | |
| Power Door Locks | 20 Amp C.B. | Fuse Panel | |
| Hazard Flashers | 15 Amp Fuse | Fuse Panel | |
| Trailer Battery Recharge Feed | 30 Amp Maxi Fuse | Power Distribution Box | |
Power Distribution Box
The high current fuses contained in the Power Distribution Box protect your vehicle’s main
electrical systems from overloads; these fuses provide the connection between the battery and
your vehicle’s electrical systems.
The high current fuses are coded as follows: 30 amp — light green, 40 amp — orange, 50 amp — red, 60 amp — blue.
| Fuse/CB/ Relay Loe. | Fuse Amp. Rating | Description |
| 1 | 20 amp | Audio power |
| 2 | (15 amp) | Fog lamps200 Amp alternator (Diesel ambulance only) |
| 3 | 30 amp | Daytime running lamps (Canada only) Headlamp flash-to-passHorn |
| 4 | 25 amp | Trailer back-up lampsTrailer running lamps |
| 5 | 15 amp | Back-up lampsDaytime running lamp module (DRL) (Canada only)Oxygen sensor heaterTrailer battery charge relay |
| 6 | lO amp | Trailer right-hand stop/ turn lamp |
| 7 | lO amp | Trailer left-hand stop/ turn lamp |
| 8 | 30 ap maxi | Injector driver module |
| 9 | 30 amp (Gas) 20 amfJ (Diese ) | Powertrain control system |
| 10 | 20 amp maxi | Instrument panel fuses: 15, 18Starter relay coil |
| 11 | – | Not used |
| 12 | Diode | Powertrain control system relay coil |
| 13 | 50 amp maxi | Instrument panel fuses: 5, 9, 13 |
| 14 | – | Not used |
| 15 | 50 amp maxi | Instrument panel fuses: 1, 7Power distribution box: fuse 5 |
| 16 | 20 amp maxi | Fuel pump feed (Gas engine) |
| 17 | 50 amp | Alternator Charge Lamp Idle Position Switch (Diesel) Instrument Panel Fuses: 2, 6, 11, 14, 17 Power Distribution Box: Fuse 22 |
| 18 | 30 amp maxi | Trailer Battery Charge |
| 19 | 40 amp maxi | Headlamps |
| 20 | 50 amp maxi | Instrument Panel Fuses: 4, 8, 12, 16 |
| 21 | 30 amp maxi | Trailer Brake Feed |
| 22 | 20 amp maxi (Gas) 30 amp (Diesel) | Distributor Pickup (Gas Engine) Fuel Line Heater (Diesel) Glow Plug Controller (Diesel) Ignition Coil (Gas Engine) Powertrain Control System Relay Coil Thick film integrated (TFI) module (Gas Engine) |
| Relay 1 | Powertrain Control System | |
| Relay 2 | Fuel Pump (Gas Engine) Injector Driver Module (IDM Relay) (Diesel) | |
| Relay 3 | Horn | |
| Relay 4 | Trailer Tow Lamps | |
| Relay 5 | Not Used |
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.