2003 Ranger Fuse Box Diagram: Exploring the Fuse Boxes
Understanding the Fuse Boxes on a 2003 Ford Ranger: A Detailed Guide
The 2003 Ford Ranger has two fuse boxes; one in the cabin, located on the end of the dash on the driver’s side. Remove the cover to access the fuses in this fuse box. The fuse box is referred to as the Passenger Compartment Fuse Box. The second fuse box is the Power Distribution Box. It’s located in the engine compartment on the driver’s side near the firewall and next to the master cylinder. This article provides a listing of all the fuses as well a 2003 Ranger Fuse Box Diagram for each fuse box.
Most Commonly Sought Fuses
The following list of fuses are the ones DIYers most often look up.
Power Distribution Box = PDB Located under the hood
Dash Fuse Box= DFB Located at the end of the dash on the driver’s side
Common Fuses For the 2.3L Engine
AC Clutch #25 30A PDB
Left Headlight #38 10A PDB
Right Headlight #43 10 PDB
Oxygen sensors #41 20A
Cigar Lighters & DLC F17 20A DFB
Aux Power Socket #22 20A DFB
Common Fuses For the 3.0 & 4.0L Engines
AC Clutch #25 30A PDB
Blower motor #16 40A PDB
Fuel Pump #23 20A
Left Headlight #38 10A PDB
Right Headlight #42 10 PDB
Oxygen sensors #41 20A
2003 Ranger Fuse Box Diagram For the Power Distribution Box Located in the Engine Compartment
Power Distribution Box for the 2.3 L Engine (3.0L and 4.0L Power Distribution Boxes Shown Below)
2003 Ranger Fuse Box Diagram For the Power Distribution Box Located in the Engine Compartment
| Fuse Number | Amperage | Circuits Protected |
|---|---|---|
| F1 | 50 | I/P fuse panel |
| F2 | — | Not used |
| F3 | — | Not used |
| F4 | — | Not used |
| F5 | — | Not used |
| F6 | 50 | Anti-lock Brake System (ABS) pump motor |
| F7 | 30 | Powertrain Control Module (PCM) |
| F8 | 20 | Power door locks, Remote entry |
| F9 | — | Not used |
| F10 | — | Not used |
| F11 | 50 | Starter relay, Ignition switch |
| F12 | 20 | Power windows |
| F13 | — | Not used |
| F14 | — | Not used |
| F15 | — | Not used |
| F16 | 40 | Blower motor |
| F17 | 20 | Auxiliary cooling fan |
| F18 | — | Not used |
| F19 | — | Not used |
| F20 | — | Not used |
| F21 | 10 | PCM memory |
| F22 | — | Not used |
| F23 | 20 | Fuel pump |
| F24 | 30 | Headlamps |
| F25 | 30 | A/C clutch |
| F26 | — | Not used |
| F27 | — | Not used |
| F28 | 30 | ABS module |
| F29 | — | Not used |
| F30 | 15 | Trailer tow |
| F31 | 20 | Foglamps, Daytime Running Lamps (DRL) |
| F32 | — | Not used |
| F33 | 15 | Park Lamp |
| F34 | — | Not used |
| F35 | — | Not used |
| F36 | — | Not used |
| F37 | — | Not used |
| F38 | 10 | Left headlamp low beam |
| F39 | — | Not used |
| F40 | — | Not used |
| F41 | 20 | Heated oxygen sensors |
| F42 | 10 | Right headlamp low beam |
| F43 | — | (Resistor) |
| F44 | — | Not used |
| F45A | Relay | Wiper HI/LO |
| F46B | Relay | Wiper park/run |
| F46A | Relay | Fuel pump |
| F46B | Relay | Trailer tow |
| F47 | Relay | Starter |
| F48 | Relay | Auxiliary cooling fan |
| F49 | — | Not used |
| F50 | — | Not used |
| F51 | — | Not used |
| F52 | — | Not used |
| F53 | Diode | PCM Diode |
| F54 | Relay | PCM |
| F55 | Relay | Blower |
| F56A | Relay | A/C clutch |
| F56B | Relay | Front washer pump |
2003 Ranger Fuse Diagram For The Power Distribution Box for the 3.0L and 4.0L Engines
| Fuse Number | Amperage | Circuits Protected |
|---|---|---|
| F1 | 50 | I/P fuse panel |
| F2 | 50 | Amplifier |
| F3 | — | Not used |
| F4 | — | Not used |
| F5 | — | Not used |
| F6 | 50 | Anti-lock Brake System (ABS) pump motor |
| F7 | 30 | Powertrain Control Module (PCM) |
| F8 | 29 | Power door locks, Remote entry |
| F9 | — | Not used |
| F10 | — | Not used |
| F11 | 50 | Starter relay, Ignition switch |
| F12 | 20 | Power windows |
| F13 | 20 | 4x4 Motor |
| F14 | — | Not used |
| F15 | — | Not used |
| F16 | 40 | Blower motor |
| F17 | — | Not used |
| F18 | — | Not used |
| F19 | — | Not used |
| F20 | — | Not used |
| F21 | 10 | PCM memory |
| F22 | — | Not used |
| F23 | 20 | Fuel pump motor |
| F24 | 30 | Headlamps |
| F25 | 10 | A/C clutch |
| F26 | — | Not used |
| F27 | — | Not used |
| F28 | 30 | ABS Module |
| F29 | — | Not used |
| F30 | 15 | Trailer tow |
| F31 | 20 | Foglamps, Daytime Running Lamps (DRL) |
| F32 | — | Not used |
| F33 | 15 | Park lamp |
| F34 | — | Not used |
| F35 | — | Not used |
| F36 | — | Not used |
| F37 | — | Not used |
| F38 | 10 | Left headlamp low beam |
| F39 | — | Not used |
| F40 | — | Not used |
| F41 | 20 | Heated oxygen sensors |
| F42 | 10 | Right headlamp low beam |
| F43 | — | Not used |
| F44 | — | Not used |
| F45A | Relay | Wiper HI/LO |
| F45B | Relay | Wiper park/run |
| F46A | Relay | Fuel pump |
| F46B | Relay | Trailer tow |
| F47A | Relay | A/C clutch |
| F47B | Relay | Front washer pump |
| F48A | Relay | Fog lamps |
| F48B | Relay | Fog lamp relay |
| F51 | — | Not used |
| F52 | — | Not used |
| F53 | Diode | Diode |
| F54 | Relay | PCM |
| F55 | Relay | Blower |
| F56 | Relay | Starter |
2003 Ranger Fuse Diagram For the Passenger Compartment Located At The End of the Dash On The Driver’s Side
| Fuse Number | Amperage | Circuits Protected |
|---|---|---|
| F1 | 5 | Power mirror switch |
| F2 | 10 | Daytime Running Lights (DRL), Back-up lamps, Transmission, Passenger air bag deactivation switch, Blower motor relay |
| F3 | 7.5 | Left stop/turn trailer tow connector |
| F4 | — | Not used |
| F5 | 15 | 4x4 control module |
| F6 | 2 | Brake pressure switch |
| F7 | 7.5 | Right stop/turn trailer tow connector |
| F8 | — | Not used |
| F9 | 7.5 | Brake pedal position switch |
| F10 | 7.5 | Speed control servo/amplifier assembly, Generic Electronic Module (GEM), Shift lock actuator, Turn signals |
| F11 | 7.5 | Instrument cluster, 4x4, Main light switch, Truck Central Security Module (TCSM). GEM |
| F12 | — | Not used |
| F13 | 20 | Brake pedal position switch |
| F14 | 10 or Not Used | ABS control module |
| F15 | — | Not used |
| F16 | 30 | Windshield wiper motor, Wiper HI/LO relay, Wiper run/park relay |
| F17 | 20 | Cigar lighter, Data Link Connector (DLC) |
| F18 | — | Not used |
| F19 | 25 | Powertrain Control Module (PCM) power diode, Ignition, PATS |
| F20 | 7.5 | GEM, Radio |
| F21 | 15 | Hazard flasher |
| F22 | 20 | Auxiliary power socket |
| F23 | — | Not used |
| F24 | 7.5 | Clutch Pedal Position (CPP) switch, Starter interrupt relay |
| F25 | — | Not used |
| F26 | 10 | Battery saver relay, Auxiliary relay box, Restraint Central Module (RCM), Generic Electronic Module (GEM), Instrument cluster |
| F27 | — | Not used |
| F28 | 7.5 | GEM, Radio |
| F29 | 20 | Radio |
| F30 | — | Not used |
| F31 | — | Not used |
| F32 | — | Not used |
| F33 | 15 | Headlamps, DRL module, Instrument cluster |
| F34 | — | Not used |
| F35 | 15 or Not Used | Horn relay (if not equipped with a truck CSM) |
| F36 | — | Not used |
©, 2024 Rick Muscoplat Posted on by Rick Muscoplat