Where are the fuse boxes located?
- Passenger Compartment : The fuse panel is located below and to the left of the steering wheel by the brake pedal behind the cover.
- Engine Compartment Fuse Box: The power distribution box is located in the engine compartment (left-side).
1. Passenger Compartment
2. Engine Compartment Fuse Box
2003 Ford Ranger Fuse Box Diagram
Passenger Compartment
2003 Ford Ranger Interior Fuse Box Diagram
2003 Ford Ranger Interior Fuse Box Details
| № | A | Circuits protected | Problem, if blown or malfunctioned |
|---|---|---|---|
| 1 | 7.5 | Power Mirror Switch | |
| 2 | 7.5 | Blower Motor Relay, PAD Module, Air Bag Diagnostic Monitor | |
| 3 | 7.5 | Left Stop/Turn Trailer Tow Connector | |
| 4 | 10 | Left Headlamp | |
| 5 | – | Not used | |
| 6 | 15 | Overdrive, Back-up Lamps, DRL, 4×4 | |
| 7 | 7.5 | Right Stop/Turn Trailer Tow Connector | |
| 8 | 10 | Right Headlamp, Fog Lamp Relay | |
| 9 | 7.5 | Brake Pedal Position Switch | |
| 10 | 7.5 | Speed Control Servo/Amplifier Assembly, Generic Electronic Module (GEM), Shift Lock Actuator, Blend Door Actuator, A/C-Heater Assembly, Turn Signals | |
| 11 | 7.5 | Instrument Cluster, Daytime Running Lights (DRL), RABS Resistor | |
| 12 | — | Not Used | |
| 13 | 20 | Brake Pedal Position Switch | |
| 14 | 20 | Rear Anti-Lock Brake System (RABS) Module | |
| 10 | 4 Wheel Anti-Lock Brake System (4WABS) Module, 4WABS Main Relay | ||
| 15 | 7.5 | Air Bag Indicator Lamp, Alternator Indicator Lamp, Instrument Cluster | |
| 16 | 30 | Windshield Wiper Motor, Wiper Hi-Lo Relay, Wiper Run/Park Relay | |
| 17 | 25 | Cigar Lighter, Data Link Connector | |
| 18 | 15 | Driver’s Unlock Relay, All-Unlock Relay, All-Lock Relay | |
| 19 | 25 | PCM Power Diode, Ignition, PATS | |
| 20 | 7.5 | RAP Module, Generic Electronic Module (GEM), Radio | |
| 21 | 15 | Flasher (Hazard) | |
| 22 | 20 | Auxiliary Power Socket | |
| 23 | — | Not Used | |
| 24 | 7.5 | Clutch Pedal Position (CPP) switch, Starter Interrupt Relay, Anti-Theft | Problem in starting. Check more about Ford Ranger won’t start |
| 25 | — | Not Used | |
| 26 | 10 | Battery Saver Relay, Electronic Shift Relay, Interior Lamp Relay, Power Window Relay, Electronic Shift Control Module, Dome/Map Lamp | |
| 27 | — | Not Used | |
| 28 | 7.5 | Generic Electronic Module (GEM), Radio | |
| 29 | 15 | Radio | |
| 30 | 10 | RABS Test Connector | |
| 31 | — | Not Used | |
| 32 | — | Not Used | |
| 33 | 15 | Headlamps, Daytime Running Lamps (DRL) Module, Instrument Cluster | |
| 34 | — | Not Used | |
| 35 | — | Not Used | |
| 36 | — | Not Used |
2003 Ford Ranger fuse box diagram under hood
2.3 L Engine Ford Ranger Power Distribution Fuse Box Diagram
3.0 L & 4.0 L Engine Ford Ranger Power Distribution Fuse Box Diagram
2003 Ford Ranger Under hood Fuse Box Details
| № | A | Protected circuits | Problem, if blown or malfunction |
|---|---|---|---|
| 1 | 50 | I/P Fuse Panel | |
| 2 | 50 | Amplifier (Tremor audio system only) | |
| 3 | — | Not Used | |
| 4 | — | Not Used | |
| 5 | — | Not Used | |
| 6 | 50 | ABS Pump Motor | |
| 7 | 30 | Powertrain Control Module (PCM) | |
| 8 | 20 | Power Door Locks and Remote Entry | |
| 9 | — | Not Used | |
| 10 | — | Not Used | |
| 11 | 50 | Starter Relay, Ignition Switch | Problem in starting. Check more about Ford Ranger won’t start. |
| 12 | 20 | Power Windows | |
| 13 | 20 | 3.0L and 4.0L engines: 4×4 Motor | |
| 14 | — | Not Used | |
| 15 | — | Not Used | |
| 16 | 40 | Blower Motor | |
| 17 | 20 | 2.3L engine: Auxiliary Cooling Fan | |
| 18 | — | Not Used | |
| 19 | — | Not Used | |
| 20 | — | Not Used | |
| 21 | 10 | PCM Memory | |
| 22 | — | Not Used | |
| 23 | 20 | Fuel Pump Motor | Problem in starting. Check more about Ford Ranger won’t start. |
| 24 | 30 | Headlamps | |
| 25 | 10 | A/C Clutch Solenoid | |
| 26 | — | Not Used | |
| 27 | — | Not Used | |
| 28 | 30 | 4WABS Module | |
| 29 | — | Not Used | |
| 30 | 15 | Trailer Tow | |
| 31 | 20 | Foglamps, Daytime Running Lamps (DRL) | |
| 32 | — | Not Used | |
| 33 | 15 | Park Lamp | |
| 34 | — | Not Used | |
| 35 | — | Not Used | |
| 36 | — | Not Used | |
| 37 | — | Not Used | |
| 38 | 10 | Left Headlamp Low Beam | |
| 39 | — | Not Used | |
| 40 | — | Not Used | |
| 41 | 20 | Heated Oxygen Sensors | |
| 42 | 10 | Right Headlamp Low Beam | |
| 43 | — | 2.3L engine: (Resistor) | |
| 44 | — | Not Used | |
| 51 | — | Not Used | |
| 52 | — | Not Used | |
| 53 | — | Diode: Powertrain Control Module (PCM) | |
| Relay | |||
| 45A | Wiper HI/LO | ||
| 45B | Wiper Park/Rim | ||
| 46A | 2.3L engine: Fuel Pump | Problem in starting. Check more about Ford Ranger won’t start | |
| 3.0L and 4.0L engines: Fuel Pump | |||
| 46B | 2.3L engine: Trailer Tow | ||
| 3.0L and 4.0L engines: Trailer tow | |||
| 47 | 2.3L engine: Starter | Problem in starting. Check more about Ford Ranger won’t start | |
| 3.0L and 4.0L engines: – Not Used | |||
| 47A | 3.0L and 4.0L engines: A/C clutch solenoid | ||
| 47B | 3.0L and 4.0L engines: Front washer pump | ||
| 48 | 2.3L engine: Auxiliary Cooling Fan | ||
| 48A | 3.0L and 4.0L engines: Fog Lamps | ||
| 48B | 3.0L and 4.0L engines: Fog Lamp Relay | ||
| 49 | Not Used | ||
| 50 | Not Used | ||
| 51 | 3.0L and 4.0L engines: Not Used | ||
| 52 | 3.0L and 4.0L engines: Not Used | ||
| 53 | PCM Diode | ||
| 54 | Powertrain Control Module (PCM) | ||
| 55 | Blower | ||
| 56 | Starter | ||
WARNING: The terminal and harness assignments for individual connectors may vary depending on the vehicle’s equipment level, model, and market. It is recommended to refer to the fuse box diagram provided at the back of the fuse box cover for accurate information.
