2003 FORD MUSTANG wiring

For example, if you don't know the specific system in which the ignition switch is located, look up ignition
switch in the wiring diagram component location tables and go to the appropriate wiring diagram(s) which
contain either full or partial views of the ignition swit ch. The full view of the ignition switch is located in
Power Distribution.
The first listing for the component will be the full or most complete view of the component. Additional
listings will be partial views of the component. Not all components are used on all models.
All components will have a partial view in Gr ound Distribution and Power Distribution. Data Link
Connectors show connecting circuits between modules. Alternate names for components may be listed in
wiring diagram component locations tables.
WIRING DIAGRAM COMPONENT LOCATIONS
ComponentWiring Diagram
ABS Electronic Control UnitAnti-Lock Brakes; Data Link Connectors
ABS Hydraulic UnitAnti-Lock Brakes
Acceleration SensorAnti-Lock Brakes
Accessory Delay RelayPower Windows
A/C Compressor Clutch RelayEngine Performance
A/C SensorEngine Performance
A/C Pressure SwitchEngine Performance
Adaptive Lamp Control ModuleExterior Lights
Air Bag(s)Air Bag Restraint System
Air Bag ModuleAir Bag Restraint System
Air Bag Sensor(s)Air Bag Restraint System
Air Injection Pump RelayEngine Performance
Air Temperature SensorOverhead Console
Alternator (Generator)Generators & Regulators
Anti-Theft Control ModuleAnti-Theft System; Starters
Autolamp Control RelayHeadlight Systems; Daytime Running Lights
Automatic Shutdown (ASD) RelayEngine Performance; Generators & Regulators
Autostick SwitchEngine Performance
Auxiliary Battery RelayGenerators & Regulators
Back-Up LightsBack-Up Lights; Exterior Lights
Barometric (BARO) Pressure SensorEngine Performance
BatteryPower Distribution
Battery Temperature SensorEngine Performance
Body Control ModuleBody Control Computer; Anti-Theft System;
Daytime Running Lights; Engine Performance;
Headlight Systems; Warning Systems
Boost Control SolenoidEngine Performance
Boost SensorEngine Performance
Brake Fluid Level SwitchAnalog Instrument Panels
Brake On/Off (BOO) SwitchCruise Control Systems; Engine Performance;
Shift Interlock Systems
Buzzer ModuleWarning Systems

2002 Ford Focus ZX5
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2003 SYSTEM WIRING DIAGRAMSFord - Mustang

AIR CONDITIONING 3.8L

2003 Ford Mustang
2003 SYSTEM WIRING DIAGRAMS Ford - Mustang

2003 Ford Mustang
2003 SYSTEM WIRING DIAGRAMS Ford - Mustang
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Fig. 1: 3.8L, Air Conditioning Circuit
4.6L

2003 Ford Mustang
2003 SYSTEM WIRING DIAGRAMS Ford - Mustang
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Fig. 2: 4.6L, Air Conditioning Circuit
ANTI-LOCK BRAKES

2003 Ford Mustang
2003 SYSTEM WIRING DIAGRAMS Ford - Mustang
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Fig. 3: Anti-lock Brakes Circuit
ANTI-THEFT

2003 Ford Mustang
2003 SYSTEM WIRING DIAGRAMS Ford - Mustang
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Fig. 4: Passive Anti-theft Circuit
BODY CONTROL MODULES

2003 Ford Mustang
2003 SYSTEM WIRING DIAGRAMS Ford - Mustang
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Fig. 5: Body Control Modules Circuit
COMPUTER DATA LINES

2003 Ford Mustang
2003 SYSTEM WIRING DIAGRAMS Ford - Mustang
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Fig. 6: Computer Data Lines Circuit
COOLING FAN

2003 Ford Mustang
2003 SYSTEM WIRING DIAGRAMS Ford - Mustang
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