2003 Ford Mustang Wiring Diagrams (ONLINE REPAIR MANUALS)

Auto Parts Search


Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!
Help me findSearch
Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Ford Mustang 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 Mustang automobile. Try the Automotix DIY solution today!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >

We have info for following modifications of 2003 Ford Mustang

  • 2003 Ford Mustang Cobra 4.6 V8 GAS, CID:281, Fuel Injection, Aspiration:281, Engine VIN:, Desg:Y
  • 2003 Ford Mustang 3.8 V6 GAS, CID:232, Fuel Injection, Aspiration:232, Engine VIN:, Desg:4
  • 2003 Ford Mustang GT 4.6 V8 GAS, CID:281, Fuel Injection, Aspiration:281, Engine VIN:, Desg:X
  • 2003 Ford Mustang Mach 1 4.6 V8 GAS, CID:281, Fuel Injection, Aspiration:281, Engine VIN:, Desg:R

WIRING DIAGRAMS FOR 2003 Ford Mustang AUTOMOBILES

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

2003 Ford Mustang GT 4.6 V8 GAS Wiring Diagram2003 Ford Mustang GT 4.6 V8 GAS Wiring Diagram

Components on diagram:
  • PCM Power Relay
  • Powertrain Control Module
  • Crankshaft Position Sensor
  • Constant Control Relay Module (CCRM)
  • 2003 Ford Mustang  3.8 V6 GAS Wiring Diagram2003 Ford Mustang 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Mass Air Flow (MAF) Sensor
  • Powertrain Control Module
  • Transmission Hardware Unit
  • 2003 Ford Mustang  3.8 V6 GAS Wiring Diagram2003 Ford Mustang 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Powertrain Control Module
  • Digital Transmission Range (DTR) Sensor
  • Output Shaft Speed (OSS) Sensor
  • 2003 Ford Mustang  3.8 V6 GAS Wiring Diagram2003 Ford Mustang 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • Speed Control Servo
  • Powertrain Control Module
  • Output Shaft Speed Sensor
  • 2003 Ford Mustang Mach 1 4.6 V8 GAS Wiring Diagram2003 Ford Mustang Mach 1 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Wiper High/Low Relay
  • Windshield Wiper Motor
  • Windshield Washer Pump Motor
  • Wiper Run/Park Relay
  • Washer Pump Relay, Front
  • 2003 Ford Mustang Cobra 4.6 V8 GAS Wiring Diagram2003 Ford Mustang Cobra 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • High Mounted Stoplamp
  • 2003 Ford Mustang GT 4.6 V8 GAS Wiring Diagram2003 Ford Mustang GT 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Main Light Switch
  • Multifunction Switch
  • Daytime Running Lamps Module
  • 2003 Ford Mustang Cobra 4.6 V8 GAS Wiring Diagram2003 Ford Mustang Cobra 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • Speaker, Left Rear
  • Speaker, Left Front
  • Speaker, Right Front
  • Speaker, Right Rear
  • 2003 Ford Mustang GT 4.6 V8 GAS Wiring Diagram2003 Ford Mustang GT 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Subwoofer, Left Front
  • Subwoofer Amplifier, Rear
  • Subwoofer, Right Front
  • Subwoofer Amplifier, Front
  • 2003 Ford Mustang GT 4.6 V8 GAS Wiring Diagram2003 Ford Mustang GT 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Subwoofer, Left Rear
  • Subwoofer, Right Rear
  • CLICK HERE TO GET FULL ACCESS TO 2003 Ford Mustang WIRING DIAGRAMS!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details about 1999 Ford Mustang Header Panel1999 Ford Mustang Header Panel, A high quality, direct fit OE replacement header panel; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $11.72

    Click here to view more details about 2000 Ford Mustang Headlight, Passenger Side2000 Ford Mustang Headlight, Passenger Side, Bulbs included; Composite and combination type; DOT and SAE approved; A high quality, OE replacement headlight assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $56.62

    Click here to view more details about 2000 Ford Mustang 15" x 7" Alloy Wheel2000 Ford Mustang 15" x 7" Alloy Wheel, Alloy Wheel; 15 X 7; 3 Slots; 5 Lug; 4.5 Inch BP; Machined And Light Silver, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $128.50

    Click here to view more details about 1995 Ford Mustang Cobra R V8, 5.8 L, 351 CID Rebuilt Engine1995 Ford Mustang Cobra R V8, 5.8 L, 351 CID Rebuilt Engine, Windsor, FI, dipstick in block, Roller cam, Block #F4TE-AA. Except Lightning, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,661.00

    Click here to view more details2009 Ford Mustang Used Bumper Bar, Front, 2DR, RED w/ foam, DO NOT STOCK UNLESS RSP IS BAD, Very Good.

    Source: Used Auto Parts Store

    $253.00

    Click here to view more details2005 Ford Mustang Used Ignition Switch W/Key, (electric switch only), conventional ign, (elec switch only), Very Good.

    Source: Used Auto Parts Store

    $75.00
    More parts
    Help me findSearch
    Auto Repair Quick Search
    Help me find
    Search DIY repair manuals by VIN...
    Vehicle Identification Number is a unique serial number used by the automotive industry to identify individual motor vehicles

    Find out what info we have for your vehicle

    Get the Complete Technical Service Bulletins!
    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 Mustang vehicle.
    Access the Complete guide!
    Need To Fix Your Car or Truck?
    Save Money With Free Car Insurance Quote
    FREE car insurance quote
    Enter Zip Code:
    Auto Repair Quick Search
    Help me find