Learn about Ford F-150 1992-1996 fuse box and relay’s locations, functions, and maintenance tips for optimal vehicle electrical system.
The Ford F-150 from 1992 to 1996 comes in a variety of body styles, including the Regular Cab, SuperCab, and extended-bed options, each catering to different needs—whether for work, off-roading, or everyday driving. This generation is known for its sturdy, boxy design and durable build, capturing the rugged appeal of classic American trucks. Inside, it features a straightforward, practical dashboard with options for basic or upgraded trims that include power windows, air conditioning, and premium audio.
The F-150’s electrical system is robust, with the fuse box and relays playing vital roles. The fuse box, typically located under the dash on the driver’s side, protects circuits for essential components such as lights, wipers, and the radio. Relays, found in the engine compartment, manage higher electrical loads, including those for the fuel pump and starter. Maintaining these components is essential for the reliable operation of the truck’s systems, especially for heavy-duty use.
MUST READ: DYI – How to Check Car Fuses?
(1992-1996) Ford F-150 fuse box and relay with Diagram
WARNING
- Never replace a fuse with one that has a higher amperage rating.
- A fuse with a too-high amperage could damage the electrical part and cause a fire.
- On no account should fuses be repaired (e.g. patched up with tin foil or wire) as this may cause serious damage elsewhere in the electrical circuit or cause a fire.
- If a fuse blows repeatedly, do not keep replacing it. Instead, have the cause for the repeated short circuit or overload tracked and fixed.
- Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
Ford F-150 1992-1996 fuse assignment
Year of production: from 1992, 1993, 1994, 1995, 1996
Location of Fuse Boxes
Instrument Panel Fuse Box:
Remove the cover from the lower edge of the instrument panel by pulling on handle to disengage the fasteners.
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.
Fuse Box Diagrams
1996
Instrument Panel Fuses
List of fuses in the instrument panel (1996)
| № | A | Description |
|---|---|---|
| 1 | 30A | Heater / Air conditioner blower |
| 2 | 30A | Wiper / Washer |
| 3 | 3A | Idle position switch (Diesel) |
| 4 | 15A | Exterior lamps Instrument illumination Trailer exterior lamp relay Warning buzzer / chime module |
| 5 | 10A | Air bag restraint |
| 6 | 15A | Air conditioner clutch Diesel auxiliary fuel selector Remote keyless entry |
| 7 | 15A | Turn lamps |
| 8 | 15A | Courtesy / dome / cargo lamps Electric outside mirrors Keyless entry Speedometer Sun visor mirror illumination Warning buzzer / chime module |
| 9 | 25A | Powerpoint |
| 10 | 4A | Instrument illumination |
| 11 | 15A | Radio Radio display dimmer |
| 12 | 20A Circuit Breaker | Electronic shift motor 4-wheel drive Power door locks Power driver seat Power lumbar |
| 13 | 15A | Anti-lock brakes Brake shift interlock Electronic engine control Speed control Stop/hazard lamps Stop sense for electronic engine control |
| 14 | 20A Circuit Breaker | Power windows |
| 15 | 20A | Anti-lock brakes |
| 16 | 15A | Cigarette lighter Generic Scan Tool |
| 17 | 10A | Diesel indicators Electronic transmission Gauges Tachometer Warning buzzer / chime module Warning indicators |
| 18 | 10A | Air bag restraint Automatic day/night mirror Brake shift interlock Electronic shift module 4-wheel drive Speedometer Selectable RPM control (Diesel) Speed control (Diesel) |
Power Distribution Box
List of fuses in the Power distribution box (1996)
| № | A | Description |
|---|---|---|
| 1 | 20A | Audio power |
| 2 | 15A | Fog lamps 200 Amp alternator (Diesel ambulance only) |
| 3 | 30A | Daytime running lamps (Canada only) Headlamp flash-to-pass Horn |
| 4 | 25A | Trailer back-up lamps Trailer running lamps |
| 5 | 15A | Back-up lamps Daytime running lamp module (DRL) (Canada only) Oxygen sensor heater Trailer battery charge relay |
| 6 | 10A | Trailer right-hand stop/turn lamp |
| 7 | 10A | Trailer left-hand stop/turn lamp |
| 8 | 30A maxi | Injector driver module |
| 9 | 30A (Gas) 20A (Diesel) | Powertrain control system |
| 10 | 20A maxi | Instrument panel fuses: 15, 18 Starter relay coil |
| 11 | – | Not used |
| 12 | Diode | Powertrain control system relay coil |
| 13 | 50A maxi | Instrument panel fuses: 5, 9,13 |
| 14 | – | Not used |
| 15 | 50A maxi | Instrument panel fuses: 1, 7 Power distribution box: fuse 5 |
| 16 | 20A maxi | Fuel pump feed (Gas engine) |
| 17 | 50A maxi | Alternator charge lamp Idle position switch (Diesel) Instrument panel fuses: 2, 6, 11, 14, 17 Power distribution box: fuse 22 |
| 18 | 30A maxi | Trailer battery charge |
| 19 | 40A maxi | Headlamps |
| 20 | 50A maxi | Instrument panel fuses: 4, 8, 12,16 |
| 21 | 30A maxi | Trailer brake feed |
| 22 | 20A maxi (Gas) 30A (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 (TH) 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 | |
Additional Fuses
| Circuit Protected | Size | Location |
|---|---|---|
| Headlamps & High Beam Indicator | 22 Amp Circ. Brkr. | Integral with Headlamp Switch |
| 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) |
| Diesel Glow Plugs | (2) 14 Ga. Fuse Links | At Starting Motor Relay |
Conclusion
For owners of the 1992-1996 Ford F-150, understanding and maintaining the fuse box and relay are essential steps in ensuring a reliable, long-lasting vehicle, particularly given the truck’s popularity for demanding tasks.
