Ford Ranger 2003 Fuse Box Info
Passenger compartment fuse box location:
The fuse panel is located on the left hand side of the instrument panel facing the driver’s side door. Pull the panel cover outward to access the fuses.
Engine compartment fuse box location:
The power distribution box is located in the engine compartment. The power distribution box contains high-current fuses that protect your vehicle’s main electrical systems from overloads.
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 5A | Power Mirror Switch |
| 2 | 10A | Daytime Running Lights (DRL), Back-up Lamps, Transmission, Passenger Air Bag Deactivation Switch, Blower Motor Relay |
| 3 | 7.5A | Left stop/turn trailer tow connector |
| 4 | - | Not Used |
| 5 | 15A | 4x4 Control Module |
| 6 | 2A | Brake pressure switch |
| 7 | 7.5A | Right stop/turn trailer tow connector |
| 8 | - | Not Used |
| 9 | 7.5A | Brake Pedal Position Switch |
| 10 | 7.5A | Speed control servo/amplifier assembly, Generic Electronic Module (GEM), Shiftlock actuator, Turn signals, 4x4 |
| 11 | 7.5A | Instrument cluster, 4x4, Main light switch, Truck Central Security Module (TCSM), GEM |
| 12 | - | Not used |
| 13 | 20A | Brake Pedal Position Switch |
| 14 | 10A | ABS control module |
| 15 | - | Not Used |
| 16 | 30A | Windshield wiper motor, Wiper HI/LO relay, Wiper run/park relay |
| 17 | 20A | Cigar Lighter, Data Link Connector (DLC) |
| 18 | - | Not Used |
| 19 | 25A | Powertrain Control Module (PCM) power diode, Ignition, PATS |
| 20 | 7.5A | GEM, Radio |
| 21 | 15A | Hazard flasher |
| 22 | 20A | Auxiliary Power Socket |
| 23 | - | Not used |
| 24 | 7.5A | Clutch Pedal Position (CPP) switch, Starter Interrupt Relay |
| 25 | - | Not used |
| 26 | 10A | Battery saver relay, Auxiliary relay box, Restraint Central Module (RCM), Generic Electronic Module (GEM), Instrument cluster |
| 27 | - | Not used |
| 28 | 7.5A | GEM, Radio |
| 29 | 20A | Radio |
| 30 | - | Not Used |
| 31 | - | Not used |
| 32 | - | Not used |
| 33 | 15A | Headlamps, DRL module, Instrument cluster |
| 34 | - | Not used |
| 35 | 15A or Not Used | 15A: Horn relay (if not equipped with a truck CSM) |
| 36 | - | Not used |
Engine compartment fuse box (2.3L engine):
| Fuse/Relay N° | Rating | Functions |
| 1 | 50A | I/P Fuse Panel |
| 2 | - | Not Used |
| 3 | - | Not Used |
| 4 | - | Not Used |
| 5 | - | Not Used |
| 6 | 50A | Anti-lock Brake System (ABS) pump motor |
| 7 | 30A | Powertrain Control Module (PCM) |
| 8 | 20A | Power door locks, Remote entry |
| 9 | - | Not Used |
| 10 | - | Not Used |
| 11 | 50A | Starter Relay, Ignition Switch |
| 12 | 20A | Power Windows |
| 13 | - | Not Used |
| 14 | - | Not Used |
| 15 | - | Not Used |
| 16 | 40A | Blower Motor |
| 17 | 20A | Auxiliary Cooling Fan |
| 18 | - | Not Used |
| 19 | - | Not Used |
| 20 | - | Not Used |
| 21 | 10A | PCM Memory |
| 22 | - | Not Used |
| 23 | 20A | Fuel Pump Motor |
| 24 | 30A | Headlamps |
| 25 | 10A | A/C Clutch Solenoid |
| 26 | - | Not Used |
| 27 | - | Not Used |
| 28 | 30A | ABS module |
| 29 | - | Not Used |
| 30 | 15A | Trailer Tow |
| 31 | 20A | Foglamps, Daytime Running Lamps (DRL) |
| 32 | - | Not Used |
| 33 | 15A | Park Lamp |
| 34 | - | Not Used |
| 35 | - | Not Used |
| 36 | - | Not Used |
| 37 | - | Not Used |
| 38 | 10A | Left Headlamp Low Beam |
| 39 | - | Not Used |
| 40 | - | Not Used |
| 41 | 20A | Heated Oxygen Sensors |
| 42 | 10A | Right Headlamp Low Beam |
| 43 | - | (Resistor) |
| 44 | - | Not Used |
| 45A | - | Wiper High/Low |
| 45B | - | Wiper Park/Run |
| 46A | - | Fuel Pump |
| 46B | - | Trailer Tow |
| 47 | - | Starter |
| 48 | - | Auxiliary Cooling Fan |
| 49 | - | Not Used |
| 50 | - | Not Used |
| 51 | - | Not Used |
| 52 | - | Not Used |
| 53 | - | PCM Diode |
| 54 | - | PCM |
| 55 | - | Blower |
| 56A | - | A/C Clutch Solenoid |
| 56B | - | Front Washer Pump |
Engine compartment fuse box (3.0L and 4.0L engines):
| Fuse/Relay N° | Rating | Functions |
| 1 | 50A | I/P Fuse Panel |
| 2 | 50A | Amplifier |
| 3 | - | Not Used |
| 4 | - | Not Used |
| 5 | - | Not Used |
| 6 | 50A | Anti-lock Brake System (ABS) pump motor |
| 7 | 30A | Powertrain Control Module (PCM) |
| 8 | 20A | Power door locks, Remote entry |
| 9 | - | Not Used |
| 10 | - | Not Used |
| 11 | 50A | Starter Relay, Ignition Switch |
| 12 | 20A | Power Windows |
| 13 | 20A | 4x4 Motor |
| 14 | - | Not Used |
| 15 | - | Not Used |
| 16 | 40A | Blower Motor |
| 17 | - | Not Used |
| 18 | - | Not Used |
| 19 | - | Not Used |
| 20 | - | Not Used |
| 21 | 10A | PCM Memory |
| 22 | - | Not Used |
| 23 | 20A | Fuel Pump Motor |
| 24 | 30A | Headlamps |
| 25 | 10A | A/C Clutch Solenoid |
| 26 | - | Not Used |
| 27 | - | Not Used |
| 28 | 30A | ABS Module |
| 29 | - | Not Used |
| 30 | 15A | Trailer Tow |
| 31 | 20A | Foglamps, Daytime Running Lamps (DRL) |
| 32 | - | Not Used |
| 33 | 15A | Park Lamp |
| 34 | - | Not Used |
| 35 | - | Not Used |
| 36 | - | Not Used |
| 37 | - | Not Used |
| 38 | 10A | Left Headlamp Low Beam |
| 39 | - | Not Used |
| 40 | - | Not Used |
| 41 | 20A | Heated Oxygen Sensors |
| 42 | 10A | Right Headlamp Low Beam |
| 43 | - | Not Used |
| 44 | - | Not Used |
| 45A | - | Wiper High/Low |
| 45B | - | Wiper Park/Run |
| 46A | - | Fuel Pump |
| 46B | - | Trailer Tow |
| 47A | - | A/C Clutch Solenoid |
| 47B | - | Front Washer Pump |
| 48A | - | Fog Lamps |
| 48B | - | Fog Lamp Relay |
| 51 | - | Not Used |
| 52 | - | Not Used |
| 53 | - | PCM Diode |
| 54 | - | PCM |
| 55 | - | Blower |
| 56 | - | Starter |
