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Ford Ranger (2003) - fuse box diagram

avatar Jonathan Yarden Mar 25, 2021 · 5 min. read

In this article you will find a description of fuses and relays Ford, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 2003

Fuse box in passenger compartment

Ford Ranger - fuse box - instrument panel

Fuse/CB Ampere rating [A] Description
1 5 Power Mirror Switch
2 10 Daytime Running Lights (DRL), Back-up Lamps, Transmission, Passenger Air Bag Deactivation Switch, Blower Motor Relay
3 7,5 Right Stop/Turn Trailer Tow Connector
4 – Not Used
5 15 4Ă—4 Control Module
6 2 Brake pressure switch
7 7,5 Left Stop/Turn Trailer Tow Connector
8 — Not Used
9 7,5 Brake Pedal Position Switch
10 7,5 Speed control servo/amplifier assembly, Generic Electronic Module (GEM), Shift lock actuator, Turn signals, 4×4
11 7,5 Instrument cluster, 4×4, Main light switch, Truck Central Security Module (TCSM), GEM
12 — Not Used
13 20 Brake Pedal Position Switch
14 10 ABS control module
15 — Not Used
16 30 Windshield Wiper Motor, Wiper Hi-Lo Relay, Wiper Run/Park Relay
17 20 Cigar Lighter, Data Link Connector (DLC)
18 — Not Used
19 25 Powertrain Control Module (PCM) power diode, Ignition, PATS
20 7,5 GEM, Radio
21 15 Hazard flasher
22 20 Auxiliary Power Socket
23 — Not Used
24 7,5 Clutch Pedal Position (CPP) switch, Starter Interrupt Relay
25 — Not used
26 10 Battery saver relay, Auxiliary relay box, Restraint Central Module (RCM), Generic Electronic Module (GEM), Instrument cluster
27 — Not used
28 7,5 GEM, Radio
29 20 Radio
30 — Not Used
31 — Not Used
32 — Not Used
33 15 Headlamps, Daytime Running Lamps (DRL) Module, Instrument Cluster
34 — Not Used
35 15 Horn relay (if not equipped with a truck CSM)
— Not Used
36 — Not Used

Power distribution box

The power distribution box is located in the engine compartment near the battery.

2.3L engine (if equipped)

Ford Ranger - fuse box - power distribution

Fuse/Relay location Ampere rating [A] Description
1 50** I/P Fuse Panel
2 — Not Used
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
12 20* Power Windows
13 — Not Used
14 — Not Used
15 — Not Used
16 40** Blower Motor
17 20** Auxiliary Cooling Fan
18 — Not Used
19 — Not Used
20 — Not Used
21 10* PCM Memory
22 — Not Used
23 20* Fuel Pump Motor
24 30* Headlamps
25 10* A/C Clutch Solenoid
26 — Not Used
27 — Not Used
28 30* ABS module
29 — Not Used
30 15* Trailer Tow
31 20* Foglamps, 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 — (Resistor)
44 — Not Used
45A — Wiper HI/LO
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
* Mini Fuses ** Maxi Fuses

3.0L and 4.0L engines (if equipped)

Ford Ranger - fuse box - power distribution

Fuse/Relay location Ampere rating [A] Description
1 50** I/P Fuse Panel
2 50** Amplifier
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
12 20* Power Windows
13 20* 4Ă—4 Motor
14 — Not Used
15 — Not Used
16 40** Blower Motor
17 — Not Used
18 — Not Used
19 — Not Used
20 — Not Used
21 10* PCM Memory
22 — Not Used
23 20* Fuel Pump Motor
24 30* Headlamps
25 10* A/C Clutch Solenoid
26 — Not Used
27 — Not Used
28 30* ABS 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 — 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
56A — Starter
* Mini Fuses ** Maxi Fuses

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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