Repair Diagrams for 2003 Ford Expedition Engine, Transmission, Lighting, AC, Electrical & Warning Systems

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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Ford Expedition car and truck repair procedures including Ford engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your 2003 Ford Expedition automobile. Try the Automotix DIY solution today!

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We have info for following modifications of 2003 Ford Expedition

2003 Ford Expedition 4.6 V8 GAS, CID:281, Fuel Injection, Aspiration:281, Engine VIN:, Desg:W
2003 Ford Expedition 5.4 V8 GAS, CID:330, Fuel Injection, Aspiration:330, Engine VIN:, Desg:L

WIRING DIAGRAMS FOR 2003 Ford Expedition AUTOMOBILES

OEM drawn wiring diagrams for most 2003 Ford Expedition cars and light trucks sold in the U.S.

2003 Ford Expedition 5.4 V8 GAS Wiring Diagram

Components on diagram:

Power Seat Switch, Right

Passenger Seat Rear Height Motor

Passenger Seat Horizontal Motor

Passenger Seat Front Height Motor

2003 Ford Expedition 4.6 V8 GAS Wiring Diagram

Components on diagram:

Speed Control Servo

ABS Control Module

Deactivator Switch

Brake Pedal Position Switch

Speed Control Fan Clutch Relay

2003 Ford Expedition 4.6 V8 GAS Wiring Diagram

Components on diagram:

Transfer Case Assembly

2003 Ford Expedition 5.4 V8 GAS Wiring Diagram

Components on diagram:

Door Lock Switch, Driver Side

Door Lock Switch, Passenger Side

Microprocessor

Vehicle Security Module

2003 Ford Expedition 4.6 V8 GAS Wiring Diagram

Components on diagram:

Driver Seat Horizontal Motor

Driver Seat Front Height Motor

Driver Seat Rear Height Motor

Power Seat Switch, Left

2003 Ford Expedition 4.6 V8 GAS Wiring Diagram

Components on diagram:

Electrochromatic Inside Mirror Unit

2003 Ford Expedition 5.4 V8 GAS Wiring Diagram

Components on diagram:

PCM Power Relay

Powertrain Control Module

2003 Ford Expedition 4.6 V8 GAS Wiring Diagram

Components on diagram:

Battery

Rectifier

Generator

Regulator

Charge

2003 Ford Expedition 5.4 V8 GAS Wiring Diagram

Components on diagram:

PCM Power Relay

Powertrain Control Module

2003 Ford Expedition 5.4 V8 GAS Wiring Diagram

Components on diagram:

Rear Blower Motor Relay

Blower Motor Resistor

Front Blower Motor Relay

Heater Blower Motor

Function Selector Switch Assembly, Front

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Get the Complete Technical Service Bulletins!

Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 2003 Ford Expedition vehicle.