Ford F-150 (1997-2003) fuses and relays

Fuse box diagram (location and assignment of electrical fuses and relays) for Ford F-150 (1997, 1998, 1999, 2000, 2001, 2002, 2003).

Fuse box diagram: Ford F-150 (1997-2003)

1997
1998
1999
2000
2001
2002
2003

Fuse box location

Passenger compartment fuse box

The fuse panel is located below and to the left of the steering wheel by the brake pedalThe location of the fuses in the passenger compartment: Ford F-150 (1997, 1998, 1999, 2000, 2001, 2002, 2003)

Engine compartment fuse box

The power distribution box is located in the engine compartment (left-side)

1997-1998The location of the fuses in the engine compartment: Ford F-150 (1997, 1998)

Primary battery fuses (megafuses)

Primary battery fuses are located under the PRIMARY BATTERY FUSE cover next to starter relay

Engine minifuse panel

The minifuse panel is located behind the power distribution box

1999-2003The location of the fuses in the engine compartment: Ford F-150 (1999, 2000, 2001, 2002, 2003)

1997

Fuse box diagram (Passenger compartment)

Instrument panel fuse box diagram: Ford F-150 (1997)

Assignment of the fuses in the Passenger compartment (1997)
PositionAmpsDescription
115Stop/turn lamps and turn indicators
25Instrument cluster
325Cigarette lighter
45Power mirrors, autolamp, remote anti-theft/keyless entry, headlamp relay and parking lamp relay
515Speed control, daytime running lamps, climate control blend door, backup lamps, A/C clutch coil
65Brake-shift interlock, generic electronic module (GEM)/central timer module (CTM) and air suspension module
7-Not used
85Radio, remote anti-theft/keyless entry, GEM module/CTM module
9-Not used
10-Not used
1130Wiper system
125On-board diagnostic (OBD II) data link connector
1315Brake ON/OFF switch, rear anti-lock brake module and brake pressure switch
1415Interior lamps and accessory delay relay
155GEM module/CTM module
1620High beam headlamps
17-Not used
185Instrument illumination
1910Air bag diagnostic monitor, instrument cluster
205GEM module/CTM module and powertrain control module (PCM)
2115Starter relay
2210Air bag diagnostic monitor and passenger air bag deactivate switch
23104WD clutch relay, electronic flasher, 4WD/2WD vacuum solenoids and trailer tow battery charge relay
2410l/P blower relay
2554WABS module and relay
2610Right low beam headlamp and DRL module
275Foglamp relay
2810Left low beam headlamp
295Autolamp, instrument cluster, transmission control indicator lamp and switch
3030Ignition coils and PCM relay
31-Not used
1Interior lamps relay
2Battery saver relay
3Not used
4One touch down relay
5Accessory delay relay

Fuse box diagram (Engine compartment)

Under-hood fuse box diagram: Ford F-150 (1997)

Assignment of the fuses in the Power distribution box (1997)
PositionAmpsDescription
120Trailer tow back-up and tail lamps
210Air bag diagnostic monitor
315Power locks
415Air suspension
520Horn
615Audio system
715Parking and tail lamps
830Headlamps
915Daytime running lamps and fog lamps
1025Auxiliary power point
11-Not used
12-Not used
13-Not used
1460/204WABS/rear anti-lock brake
1550Air suspension compressor
1640Trailer tow battery charge and stop/turn lamps
17304WD transfer case shift motor and clutch
1830Driver power seat
1920Fuel pump
2050Instrument panel fuse panel ignition switch feed
2150Instrument panel fuse panel ignition switch feed
2250l/P fuse panel battery feed
2340l/P blower
2430PCM power
2530Power windows
26-Not used
27-Not used
2830Trailer tow electronic brake
29-Not used
1Rear ABS diode
2PCM diode
1Windshield wipers HI/LO speed
2Windshield wipers run/park relay
3Washer pump relay
4Fuel pump relay
5Horn relay
6PCM power relay

Primary battery fuses (megafuses)

Primary battery fuses: Ford F-150 (1997)

Primary battery fuses (megafuses)
LocationAmperageDescription
1175Power network box megafuse
2175Alternator megafuse
320Alternator field minifuse

Engine minifuse panel

Engine minifuse panel: Ford F-150 (1997)

Engine minifuse panel
LocationAmperageDescription
15Powertrain control module (PCM)
220Trailer tow stop/turn lamps
3-Not used
4-Not used
5-Not used
6-Not used

1998

Fuse box diagram (Passenger compartment)

Instrument panel fuse box diagram: Ford F-150 (1998)

Assignment of the fuses in the Passenger compartment (1998)
Fuse/Relay LocationFuse Amp RatingDescription
115AFlasher Relay
25AInstrument Cluster
325ACigar Lighter
45APark Lamp Relay, Headlamp Relay, Autolamp Module Remote Anti-Theft Personality (RAP) Module, Power Mirror Switch
515ADigital Transmission Range (DTR) Sensor (A/T), Backup Lamp Switch (M/T), Daytime Running Lights (DRL) Module, Speed Control Servo/Amplifier Assembly, Heater-A/C Control Assembly, Blend Door Actuator
65AShift Lock Actuator, Generic Electronic Module (GEM), Rear Air Suspension (RAS) Module
7Not Used
85ARadio, Main Light Switch, Remote Anti-Theft Personality (RAP) Module
9Not Used
10Not Used
1130AWasher Pump Relay, Wiper Run/Park Relay, Wiper Hi/LO Relay, Windshield Wiper Motor
125AData Link Connector (DLC)
1315ARear Anti-Lock Brake System (RABS) Module, Brake On/Off (BOO) Switch, Brake Pressure Switch
1415ABatteiy Saver Relay, Interior Lamp Relay
155AGeneric Electronic Module (GEM)
1620AInstrument Cluster (W/O DRL), Daytime Running Lamps (DRL) Module, Hi-Beam Headlamps (Power supplied through Multi-Function Switch)
17Not Used
185APark Lamp Relay, Trailer Electronic Brake Controller, Main Light Switch, Trailer Tow Run Relay, Front Park/Turn Lamps, License Lamps, Stop/Park/Turn Lamps, Tail/Side Marker Lamps (Power supplied through Main Light Switch)
1910AInstrument Cluster, Air Bag Diagnostic Monitor
205APowertrain Control Module (PCM), Generic Electronic Module (GEM)/Central Timer Module (CTM)
2115AClutch Pedal Position (CPP) Switch (W/O RAP), Starter Interrupt Relay (W/RAP)
2210AAir Bag Diagnostic Monitor, Passive De-Activation (PAD) Module
2310ATrailer tow Batteiy Charge Relay, 4X4 Hub Solenoid, 4X2 Hub Solenoid, Flasher Relay, Shift on the Fly Relay
2410ABlower Relay
255A4 Wheel Anti-Lock Brake System (4WABS) Module, 4WABS Relay
2610ADaytime Running Lamps (DRL) Module, Right Headlamp
275AMain Light Switch, Fog Lamp Relay
2810ALeft Headlamp
295AAutolamp Module, Instrument Cluster, Transmission Control Switch (TCS), Brake Warning Resistor/Diode Assembly (W/RABS)
3030ARadio Noise Capacitor, Ignition Coil, PCM Power Diode
31Not Used
Relay 1Interior Lamp Relay
Relay 2Batteiy Saver Relay
Not UsedNot Used
Relay 4One Touch Down Relay
Relay 5ACC Delay Relay

Fuse box diagram (Engine compartment)

Under-hood fuse box diagram: Ford F-150 (1998)

Assignment of the fuses in the Power distribution box (1998)
Fuse/Relay LocationFuse Amp RatingDescription
415 A*Rear Air Suspension (RAS)
520A*Horn Relay
615 A*Radio, Premium Sound Amplifier, CD Changer
715 A*Main Light Switch, Park Lamp Relay
830A*Main Light Switch, Headlamp Relay, Multi-Function Switch
915 A*Daytime Running Lamps (DRL) Module, Fog Lamp Relay
1025A*Auxiliary Power Socket
11Not Used
12Not Used
13Not Used
1460A**/20A**4 Wheel Anti-Lock Brake System (4WABS) Module/Ignition Switch (W/RABS Only)
1550A**Rear Air Suspension Compressor
1640A**Trailer Tow Batteiy Charge Relay, Engine Fuse Module (Fuse 2)
1730A**Shift on the Fly Relay, Transfer Case Shift Relay
1830A**Power Seat Control Switch
1920A**Fuel Pump Relay
120A *Trailer Tow Running Lamp Relay, Trailer Tow Backup Lamp Relay
210 A*Air Bag Diagnostic Monitor
315 A*All Unlock Relay, All Lock Relay, Driver Unlock Relay, LH Power Door Lock Switch, RH Power Door Lock Switch
2050A**Ignition Switch
2150A**Ignition Switch
2250A**Junction Box Fuse/Relay Panel Batteiy Feed
2340A**Blower Relay
2430A**PCM Power Relay, Engine Fuse Module (Fuse 1)
2530A**Junction Box Fuse/Relay Panel, ACC Delay Relay
26Not Used
27Not Used
2830A**Trailer Electronic Brake Controller
29Not Used
* Mini fuses
** Maxi fuses

1999

Fuse box diagram (Passenger compartment)

Instrument panel fuse box diagram: Ford F-150 (1999)

Assignment of the fuses in the Passenger compartment (1999)
Fuse/Relay LocationFuse Amp RatingDescription
115AAudio
25APowertrain Control Module (PCM), Cluster
320ACigar Lighter, OBD-II Scan Tool Connector
415AAutolamp Module, Remote Entry Module, Mirrors
515AAC Clutch Relay, Speed Control Module, Reverse Lamp, Climate Mode Switch, Daytime Running Lamp Relay
65ACluster, Brake Shift Interlock Solenoid, Rear Air Suspension Module, GEM Module
7Not Used
85ARadio, Remote Entry Module, GEM Module
9Not Used
10Not Used
1130AFront Washer Pump Relay, Wiper Run/Park Relay, Wiper Hi/LO Relay, Windshield Wiper Motor
12Not Used
1320AStop Lamp Switch (Lamps), Turn/Hazard Flasher, Speed Control Module
1415ABattery Saver Relay, Interior Lamp Relay, Accessory Delay Relay (Power Windows)
155AStop Lamp Switch, (Speed Control, Brake Shift Interlock, ABS, PCM Module Inputs), GEM Module, RABS Test Connector
1620AHeadlamps (Hi Beams), Cluster (Hi Beam Indicator)
17Not Used
185AInstrument Illumination (Dimmer Switch Power)
19Not Used
205AAudio, GEM Module, Powertrain Control Module (PCM),
2115AStarter Relay, Clutch Switch, Fuse 20
2210AAir Bag Module, Passenger Airbag Deactivation Module
2310ATrailer Tow Battery Charge Relay, Turn/Hazard Flasher, 4x4 Solenoids, 4x4 Relays
2410AClimate Mode Switch (Blower Relay)
255A4 Wheel Anti-Lock Brake System (4WABS) Module
2610ARight Side Low Beam Headlamp
275AFoglamp Relay and Foglamp Indicator
2810ALeft Side Low Beam Headlamp
295AAutolamp Module, Transmission Overdrive Control Switch
3030APassive Anti Theft Transceiver, Cluster, Ignition Coils, Powertrain Control Module Relay
31Not Used
Relay 1Interior Lamp Relay
Relay 2Battery Saver Relay
Relay 4One Touch Down Window Relay
Relay 5ACC Delay Relay

Fuse box diagram (Engine compartment)

Under-hood fuse box diagram: Ford F-150 (1999)

Assignment of the fuses in the Power distribution box (1999)
Fuse/Relay LocationFuse Amp RatingDescription
125A *Power Point
230A*Powertrain Control Module
330A*Headlamps/Autolamps
415 A*Air Suspension
520A*Trailer Tow Backup/Park Lamps
615 A*Parklamps/Autolamps
720A*Horn
815 A*Power Door Locks
915 A*Daytime Running Lamps (DRL), Fog Lamps
1020A*Fuel Pump
1120A*Alternator Field
12Not Used
13Not Used
14Not Used
15Not Used
16Not Used
17Not Used
1815 A*Powertrain Control Module, Fuel Injectors, Fuel Pump, Mass Air Flow Sensor
1910 A*Trailer Tow Stop and Right Turn Lamp
2010 A*Trailer Tow Stop and Left Turn Lamp
21Not Used
22Not Used
2315 A*Powertrain Control Module, HEGO Sensor, Canister Vent
2415 A*Powertrain C ontrol Module, Automatic Transmission, CMS Sensor
10130A**Trailer Tow Battery Charge
10250/20A**Four Wheel Antilock Brake Module/Rear Wheel Antilock Brake Module
10350A*Junction Block Battery Feed
10430A**4x4 Shift Motor & Clutch
10540A**Climate Control Front Blower
106Not Used
107Not Used
10830A**Trailer Tow Electric Brake
10950A**Air Suspension Compressor
11030A**Power Windows
11150A**Ignition Switch Battery Feed (Start and Run Circuits)
11230A**Drivers Power Seat
11350A**Ignition Switch Battery Feed (Run and Accessory Circuits)
114Not Used
115Not Used
116Not Used
117Not Used
118Not Used
201Trailer Tow Park Lamp Relay
202Front Wiper Run/Park Relay
203Trailer Tow Backup Lamp Relay
204A/C Clutch Relay
205Horn Relay
206Fog Lamp Relay
207Front Washer Pump Relay
208Not Used
209Front Wiper Hi/Lo Relay
301Fuel Pump Relay
302Trailer Tow Battery Charge Relay
303Rear Air Suspension Relay
304Powertrain Control Module Relay
401Not Used
501Powertrain Control Module Diode
502A/C Clutch Diode
503Not Used
601Not Used
602Not Used
* Mini fuses
** Maxi fuses

2000

Fuse box diagram (Passenger compartment)

Instrument panel fuse box diagram: Ford F-150 (2000)

Assignment of the fuses in the Passenger compartment (2000)
Fuse/Relay LocationFuse Amp RatingPassenger Compartment Fuse Panel Description
115AAudio
25APowertrain Control Module (PCM), Cluster
320ACigar Lighter, OBD-II Scan Tool Connector
45ARemote Entry Module, Mirrors
515ASpeed Control Module, Reverse Lamp, Climate Mode Switch, Daytime Running Lamp Relay
65ACluster, Brake Shift Interlock Solenoid, GEM Module
7Not Used
85ARadio, Remote Entry Module, GEM Module
9Not Used
10Not Used
1130AFront Washer Pump Relay, Wiper Run/Park Relay, Wiper Hi/LO Relay, Windshield Wiper Motor
12Not Used
1320AStop Lamp Switch (Lamps), Turn/Hazard Flasher, Speed Control Module
1415ABattery Saver Relay, Interior Lamp Relay, Accessoiy Delay Relay (Power Windows)
155AStop Lamp Switch, (Speed Control, Brake Shift Interlock, ABS, PCM Module Inputs), GEM Module, RABS Test Connector
1620AHeadlamps (Hi Beams), Cluster (Hi Beam Indicator)
17Not Used
185AInstrument Illumination (Dimmer Switch Powder)
19Not Used
205AAudio, GEM (or CTM) Module, Powertrain Control Module (PCM),
2115AStarter Relay, Clutch Switch, Fuse 20
2210AAir Bag Module, Passenger Airbag Deactivation Module, Climate Mode Switch (Blower Relay)
2310ATrailer Tow Battery Charge Relay, Turn/Hazard Flasher, 4x4 Solenoids, 4x4 Relays, Overhead Console, 4 Wheel Anti-Lock Brake System (4WABS) Module
24Not Used
25Not Used
2610ARight Side Low Beam Headlamp
275AFoglamp Relay and Foglamp Indicator
2810ALeft Side Low Beam Headlamp
295AAutolamp Module, Transmission Overdrive Control Switch
3030APassive Anti Theft Transceiver, Cluster, Ignition Coils, Powertrain Control Module Relay
31Not Used
Relay 1Interior Lamp Relay
Relay 2Battery Saver Relay
Relay 3Not Used
Relay 4One Touch Down Window Relay
Relay 5ACC Delay Relay

Fuse box diagram (Engine compartment)

Under-hood fuse box diagram: Ford F-150 (2000)

Assignment of the fuses in the Power distribution box (2000)
Fuse/Relay LocationFuse Amp RatingPower Distribution Box Description
120A *Power Point
230A*Powertrain Control Module
330A*Headlamps/Autolamps
4Not Used
520A*Trailer Tow Backup/Park Lamps
615 A*Parklamps/Autolamps, Passenger Fuse Panel Feed Fuse #18
720A*Horn
815 A*Power Door Locks
915 A*Daytime Running Lamps (DRL), Fog Lamps
1020A*Fuel Pump
1120A*Alternator Field
1220A*Rear Auxiliary Power Point
1315 A*A/C Clutch
14Not Used
15Not Used
16Not Used
17Not Used
1815 A*Powertrain Control Module, Fuel Injectors, Fuel Pump Relay, Idle Air Control, Mass Air Flow Sensor
1910 A*Trailer Tow Stop and Right Turn Lamp
2010 A*Trailer Tow Stop and Left Turn Lamp
21Not Used
22Not Used
2315 A*HEGO Sensor, Canister Vent, Automatic Transmission, CMS Sensor
24Not Used
10130A**Trailer Tow Battery Charge
10250/20A**Four Wheel Antilock Brake Module/Rear Wheel Antilock Brake Module
10350A**Junction Block Battery Feed
10430A**4x4 Shift Motor & Clutch
10540A**Climate Control Front Blower
10620A**Inter Cooler Pump (Lightning only)
107Not Used
10830A**Trailer Tow Electric Brake
109Not Used
11030A**Power Windows
11140A**Ignition Switch Battery Feed (Start and Run Circuits)
11230A**Drivers Power Seat, Adjustable Pedals
11340A**Ignition Switch Battery Feed (Run and Accessory Circuits)
114Not Used
11520A**Power Door Locks (SuperCrew only)
116Not Used
117Not Used
118Not Used
201Trailer Tow Park Lamp Relay
202Front Wiper Run/Park Relay
203Trailer Tow Backup Lamp Relay
204A/C Clutch Relay
205Horn Relay
206Fog Lamp Relay
207Front Washer Pump Relay
208Inter Cooler Pump Relay (Lightning only)
209Front Wiper Hi/Lo Relay
301Fuel Pump Relay
302Trailer Tow Battery Charge Relay
303Not Used
304Powertrain Control Module Relay
305Fuel Pump Hi/Lo Relay (Lightning only)
306Inertia Switch Relay (Lightning only)
401Not Used
501Powertrain Control Module Diode
502A/C Compressor Diode
503Not Used
601CBPower Windows, Moonroof (SuperCrew only)
602Not Used
* Mini fuses
** Maxi fuses

2001

Fuse box diagram (Passenger compartment)

Instrument panel fuse box diagram: Ford F-150 (2001)

Assignment of the fuses in the Passenger compartment (2001)
Fuse/Relay LocationFuse Amp RatingPassenger Compartment Fuse Panel Description
115AAudio
25APowertrain Control Module (PCM), Cluster
320 ACigar Lighter, OBD-II Scan Tool Connector
45ARemote Entry Module, Mirrors
515ASpeed Control Module, Reverse Lamp, Climate Mode Switch, Daytime Running Lamp Relay
65ACluster, Brake Shift Interlock Solenoid, GEM Module
7Not Used
85ARadio, Remote Entry Module, GEM Module
9Not Used
10Not Used
1130AFront Washer Pump Relay, Wiper Run/Park Relay, Wiper Hi/LO Relay, Windshield Wiper Motor
12Not Used
1320 AStop Lamp Switch (Lamps), Turn/Hazard Flasher, Speed Control Module
1415ABattery Saver Relay, Interior Lamp Relay, Accessory Delay Relay (Power Windows)
155AStop Lamp Switch, (Speed Control, Brake Shift Interlock, ABS, PCM Module Inputs), GEM Module
1620 AHeadlamps (Hi Beams), Cluster (Hi Beam Indicator)
17Not Used
185AInstrument Illumination (Dimmer Switch Power)
19Not Used
205AAudio, GEM (or CTM) Module, Powertrain Control Module (PCM),
2115AStarter Relay, Fuse 20
2210AAir Bag Module, Climate Mode Switch (Blower Relay)
2310ATrailer Tow^ Battery Charge Relay, Turn/Hazard Flasher, 4x4 Solenoids, 4x4 Relays, Overhead Console, 4 Wheel Anti-Lock Brake System (4WABS) Module
24Not Used
25Not Used
2610ARight Side Low Beam Headlamp
275AFoglamp Relay and Foglamp Indicator
2810ALeft Side Low Beam Headlamp
295AAutolamp Module, Transmission Overdrive Control Switch
3030APassive Anti Theft Transceiver, Cluster, Ignition Coils, Powertrain Control Module Relay
31Not Used
Relay 1Interior Lamp Relay
Relay 2Battery Saver Relay
Relay 3Not Used
Relay 4One Touch Down Window Relay
Relay 5ACC Delay Relay

Fuse box diagram (Engine compartment)

Under-hood fuse box diagram: Ford F-150 (2001)

Assignment of the fuses in the Power distribution box (2001)
Fuse/Relay LocationFuse Amp RatingPower Distribution Box Description
17Not Used
1815 A*Powertrain Control Module, Fuel Injectors, Fuel Pump Relay, Idle Air Control, Mass Air Flow Sensor
1910 A*Trailer Tow Stop and Right Turn Lamp
2010 A*Trailer Tow Stop and Left Turn Lamp
21Not Used
22Not Used
2315 A*HEGO Sensor, Canister Vent, Automatic Transmission, CMS Sensor
24Not Used
10130A**Trailer Tow Battery Charge
10250A**Four Wheel Antilock Brake Module
10350A**Junction Block Battery Feed
10430A**4x4 Shift Motor & Clutch
10540A**Climate Control Front Blower
106Not Used
107Not Used
10830A**Trailer Tow Electric Brake
109Not Used
110Not Used
11140A**Ignition Switch Battery Feed (Start and Run Circuits)
11230A**Drivers Power Seat, Adjustable Pedals
11340A**Ignition Switch Battery Feed (Run and Accessory Circuits)
114Not Used
11520A**Power Door Locks
116Not Used
117Not Used
118Not Used
201Trailer Tow Park Lamp Relay
120A *Power Point
230A*Powertrain Control Module
330A*Headlamps/Autolamps
4Not Used
520A*Trailer Tow Backup/Park Lamps
615 A*Parklamps/Autolamps, Passenger Fuse Panel Feed Fuse #18
720A*Horn
8Not Used
915 A*Daytime Running Lamps (DRL), Fog Lamps
1020A*Fuel Pump
1120A*Alternator Field
1220A*Rear Auxiliary Power Point
1315 A*A/C Clutch
14Not Used
15Not Used
16Not Used
202Front Wiper Run/Park Relay
203Trailer Tow Backup Lamp Relay
204A/C Clutch Relay
205Horn Relay
206Fog Lamp Relay
207Front Washer Pump Relay
208Not Used
209Front Wiper Hi/Lo Relay
301Fuel Pump Relay
302Trailer Tow Battery Charge Relay
303Not Used
304Powertrain Control Module Relay
305Not Used
306Not Used
401Not Used
501Powertrain Control Module Diode
502A/C Compressor Diode
503Not Used
60130A CBPower Windows, Moonroof
602Not Used
* Mini fuses
** Maxi fuses

2002

Fuse box diagram (Passenger compartment)

Instrument panel fuse box diagram: Ford F-150 (2002)

Assignment of the fuses in the Passenger compartment (2002)
Fuse/Relay LocationFuse Amp RatingPassenger Compartment Fuse Panel Description
115AAudio
25APowertrain Control Module (PCM), Cluster
320ACigar Lighter, Data Link Connector
45AExterior Rear View Mirror Switch, Mirror turn Signal Relays
515ASpeed Control Module, Reverse Lamp, Climate Mode Switch, Daytime Running Lamp Relay, Digital Transmission Range (DTR) Sensor
65ACluster, Brake Shift Interlock Solenoid, GEM Module
7Not Used
85ARadio, Remote Entry Module, GEM Module, In-vehicle entertainment system (SuperCrew only)
9Not Used
10Not Used
1130AFront Washer Pump Relay, Wiper Run/Park Relay, Wiper Hi/LO Relay, Windshield Wiper Motor
12Not Used
1320AStop Lamp Switch (Lamps), Turn/Hazard Flasher
1415ABattery Saver Relay, Interior Lamp Relay
155AStop Lamp Switch, (Speed Control, Brake Shift Interlock), GEM Module, RABS Module
1620AHeadlamps (Hi Beams), Cluster (Hi Beam Indicator)
17Not Used
185AInstrument Illumination (Dimmer Switch Power)
19Not Used
205AAudio, GEM Module, Powertrain Control Module (PCM), Transmission Range Sensor
2115ADigital Transmission Range (DTR) Sensor, Clutch Switch, Starter Relay, I/P fuse 20
2210AAir Bag Module, Passenger Airbag Deactivation Module
2310ATrailer Tow Battery Charge Relay, Turn/Hazard Flasher, 4x4 Solenoids, 4x4 Relays, Overhead Console, 4 Wheel Anti-Lock Brake System (4WABS) Module, EC Mirror, Heated Seats
2410AFunction Selector Switch Assembly
25Not Used
2610ARight Side Low' Beam Headlamp
275AFoglamp Relay and Foglamp Indicator, Main Light Switch (upstream)
2810ALeft Side Low Beam Headlamp
295AAutolamp Module, Transmission Overdrive Control Switch, Central Security Module,Belt Minder
3030APassive Anti Theft Transceiver, Cluster, Ignition Coils, Powertrain Control Module Relay, Coil on Plugs, Radio Noise Capacitor, ECC Diode
31Not Used
Relay 1Interior Lamp Relay
Relay 2Battery' Saver Relay
Relay 3Not Used
Relay 4One Touch Down Window' Relay
Relay 5ACC Delay Relay

Fuse box diagram (Engine compartment)

Under-hood fuse box diagram: Ford F-150 (2002)

Assignment of the fuses in the Power distribution box (2002)
Fuse/Relay LocationFuse Amp RatingPower Distribution Box Description
120A *Power Point
230 A*Powertrain Control Module
330 A*Main Light Switch, Headlamp Relay, Multifunction Switch
4Not Used
520 A*Trailer Tow Backup/Park Lamps
615 A*Main Light Switch, Park Lamp Relay
720 A*Horn
815 A*Power Door Locks, CSM, Lock Relays
915 A*Daytime Running Lamps (DRL), Fog Lamps
1020 A*Fuel Pump
1120 A*Alternator Field
1220 A*Rear Auxiliary Power Point
1315 A*A/C Clutch
14Not Used
1510ARunning Board Lamps
16Not Used
17Not Used
1815 A*Powertrain Control Module, Fuel Injectors, Fuel Pump Relay, Mass Air Flow' Sensor
1910 A*Trailer/Camper Adapter (Right Stop and Right Turn Lamp)
2010 A*Trailer/Camper Adapter (Left Stop and Left Turn Lamp)
21Not Used
22Not Used
2315 A*HE GO Sensor, Automatic Transmission
24Not Used
10130A**Trailer Tow Battery Charge
10250/20A**Four Wheel Antilock Brake Module/Rear Wheel Antilock Brake Module, Ignition Switch
10350A**Central Junction Box
10430A**4x4 Shift Motor & Clutch
10540A**Climate Control Front Blower
10620A**Inter Cooler Pump (Supercharged engine only)
107Not Used
10830A**Trailer Tow Electric Brake
109Not Used
11030A**ACC Delay Relay
11140A**Ignition Switch Battery Feed (Start and Run Circuits)
11230A**Drivers Power Seat, Adjustable Pedal switch
11340A**Ignition Switch Battery Feed (Run and Accessory Circuits)
114Not Used
11520A**Power Door Locks
116Not Used
117Not Used
11830A**Heated Seats
201Trailer Tow Park Lamp Relay
202Front Wiper Run/Park Relay
203Trailer Tow Backup Lamp Relay
204A/C Clutch Relay
205Horn Relay
206Fog Lamp Relay
207Front Washer Pump Relay
208Inter Cooler Pump Relay (Supercharged engine only)
209Front Wiper Hi/Lo Relay
301Fuel Pump Relay
302Trailer Tow Battery Charge Relay
303Not Used
304Powertrain Control Module Relay
305Fuel Pump Hi/Lo Relay (Supercharged engine only)
306Inertia Switch Relay (Supercharged engine only)
401Not Used
501Powertrain Control Module Diode
502A/C Compressor Diode
503Not Used
601CBPower Windows, Moonroof
602Not Used
* Mini fuses
** Maxi fuses

2003

Fuse box diagram (Passenger compartment)

Instrument panel fuse box diagram: Ford F-150 (2003)

Assignment of the fuses in the Passenger compartment (2003)
Fuse/Relay LocationFuse Amp RatingPassenger Compartment Fuse Panel Description
115AAudio
25APowertrain Control Module (PCM), Cluster
320ACigar lighter, Data link connector
45APower mirror switch, Mirror turn signal relays
515ASpeed control module, Reverse lamp, Climate mode switch, Daytime Running Lamps (DRL) relay, Digital Transmission Range (DTR) sensor
65ACluster, Brake shift interlock solenoid, GEM
7Not used
85ARadio, Remote entry module, GEM, In-vehicle entertainment system (SuperCrew only)
9Not used
10Not used
1130AFront washer pump relay, Wiper run/park relay, Wiper HI/LO relay, Windshield wiper motor
12Not used
1320AStop lamp switch (Lamps), Turn/Hazard flasher
1415ABattery saver relay, Interior lamp relay
155AStop lamp switch (speed control, brake shift interlock), GEM, Rear Anti-lock Brake System (RABS) module
1620AHeadlamps (hi beams), Cluster (hi beam indicator)
17Not used
185AInstrument illumination (dimmer switch power)
19Not used
205AAudio, GEM, PCM, Transmission range sensor
2115ADTR sensor, Clutch switch, Starter relay, I/P fuse 20
2210AAir bag module, Passenger air bag deactivation module
2310ATrailer tow battery Charge relay, Turn/Hazard flasher, 4x4 solenoids, 4x4 relays, Overhead console, 4-Wheel Anti-lock Brake System (4WABS) module, EC mirror, Heated seats
2410AFunction selector switch assembly
2510AHeated mirrors
2610ARight-hand low beam headlamp
275AFoglamp relay and foglamp indicator, Main light switch (upstream)
2810ALeft-hand low beam headlamp
295AAutolamp module, Transmission overdrive control switch, Central security module, Beltminder
3030APassive Anti-theft transceiver, Cluster, Ignition coils, PCM relay, Coil on plugs, Radio noise capacitor, ECC diode
31Not used
Relay 1Interior lamp relay
Relay 2Battery saver relay
Relay 3Not used
Relay 4One-touch down window relay
Relay 5Accessoiy delay relay

Fuse box diagram (Engine compartment)

Under-hood fuse box diagram: Ford F-150 (2003)

Assignment of the fuses in the Power distribution box (2003)
Fuse/Relay LocationFuse Amp RatingPower Distribution Box Description
120A *Power point
230 A*Powertrain Control Module (PCM)
330 A*Main light switch, Headlamp relay, Multifunction switch
420 A*Console power point (Harley Davidson only)
520 A*Trailer tow back-up/park lamps
615 A*Main light switch, Park lamp relay
720 A*Horn
815 A*Power door locks, Central Security Module (CSM), Lock relays (not used on SuperCrew)
915 A*Daytime Running Lamps (DRL), Fog lamps
1020 A*Fuel pump
1120 A*Alternator field
1220 A*Rear auxiliary power point (SuperCrew only)
1315 A*A/C clutch
14Not used
1510 A*Running board lamps
1615 A*Bi-fuel injector module, fuel selector switch and alternative fuel injectors (Bi-fuel vehicles only)
17Not used
1815 A*PCM, Fuel injectors, Fuel pump relay, Mass air flow sensor
1910 A*Trailer/Camper adapter (right stop/turn lamp)
2010 A*Trailer/Camper adapter (left stop/turn lamp)
21Not used
22Not used
2315 A*HEGO sensor, Automatic transmission
24Not used
10130A**Trailer tow battery charge
10250/20A**Four-wheel Anti-lock Brake System (4WABS) module/Rear-wheel Anti-lock Brake System (RABS) module, Ignition switch
10350A**Central junction box
10430A**4x4 shift motor & clutch
10540A**Climate control front blower
10620A**Intercooler pump (supercharged engine only)
107Not used
10830A**Trailer tow electric brake
109Not used
11030A**Accessoiy delay relay (Not used on SuperCrew)
11140A**Ignition switch battery feed (start and run circuits)
11230A**Drivers power seat, Adjustable pedal switch
11340A**Ignition switch battery feed (run and accessory circuits)
114Not used
11520A**Power door locks (SuperCrew only)
11640A**Heated backlight
11740A**Audiophile radio (SuperCrew only)
11830A**Heated seats
201Trailer tow park lamp relay
202Front wiper run/park relay
203Trailer tow backup lamp relay
204A/C clutch relay
205Horn relay
206Fog lamp relay
207Front washer pump relay
208Intercooler pump relay (supercharged engine only)
209Front wiper HI/LO relay
301Fuel pump relay
302Trailer tow battery charge relay
303Heated backlight relay (SuperCrew only)
304PCM relay
305Fuel pump HI/LO relay (supercharged engine only)
306Inertia switch relay (supercharged engine only)
401Not used
501PCM diode
502A/C compressor diode
503Not used
601CBPower windows, Moonroof (SuperCrew only)
602Not used
* Mini fuses
** Maxi fuses
What a blown fuse looks like?

If the wire is broken, the fuse is blown (but sometimes a fuse can look completely normal and still be blown and in need of replacement).
Ford F-150 (1997-2003) fuses and relays December 12, 2018 admin