Auto Parts Search


      Over 40 million used auto parts online. Shop online for auto and truck parts and save up to 75%

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 Mercury Mountaineer car and truck repair procedures including Mercury 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 Mercury Mountaineer automobile. Try the Automotix DIY solution today!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >

We have info for following modifications of 2003 Mercury Mountaineer

  • 2003 Mercury Mountaineer 4.0 V6 FLEX, CID:245, Fuel Injection, Aspiration:245, Engine VIN:, Desg:K
  • 2003 Mercury Mountaineer 4.6 V8 GAS, CID:281, Fuel Injection, Aspiration:281, Engine VIN:, Desg:W

WIRING DIAGRAMS FOR 2003 Mercury Mountaineer AUTOMOBILES

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

2003 Mercury Mountaineer  4.6 V8 GAS Wiring Diagram2003 Mercury Mountaineer 4.6 V8 GAS Wiring Diagram

Components on diagram:
  • Fuel Injector 5
  • Fuel Injector 4
  • Fuel Injector 1
  • Fuel Injector 2
  • Fuel Injector 3
  • 2003 Mercury Mountaineer  4.6 V8 GAS Wiring Diagram2003 Mercury Mountaineer 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Speed Control Switch
  • Powertrain Control Module
  • Digital Transmission Range (DTR) Sensor
  • Air Bag Sliding Contact
  • Speed Control Actuator
  • 2003 Mercury Mountaineer  4.0 V6 FLEX Wiring Diagram2003 Mercury Mountaineer 4.0 V6 FLEX Wiring Diagram

    Components on diagram:
  • Transmission Control Switch
  • Brake Shift Interlock
  • Brake Pedal Position Switch
  • Microprocessor
  • 2003 Mercury Mountaineer  4.0 V6 FLEX Wiring Diagram2003 Mercury Mountaineer 4.0 V6 FLEX Wiring Diagram

    Components on diagram:
  • Rear Window Defrost Relay
  • Rear Window Defrost Grid
  • Microprocessor
  • 2003 Mercury Mountaineer  4.0 V6 FLEX Wiring Diagram2003 Mercury Mountaineer 4.0 V6 FLEX Wiring Diagram

    Components on diagram:
  • Ignition Switch
  • Instrument Cluster
  • Main Light Switch
  • Parking Brake Switch
  • Key In Ignition Switch
  • 2003 Mercury Mountaineer  4.6 V8 GAS Wiring Diagram2003 Mercury Mountaineer 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • LH Turn Signal
  • RH Turn Signal
  • Multifunction Switch
  • 2003 Mercury Mountaineer  4.0 V6 FLEX Wiring Diagram2003 Mercury Mountaineer 4.0 V6 FLEX Wiring Diagram

    Components on diagram:
  • Low Tire Pressure Module
  • 2003 Mercury Mountaineer  4.0 V6 FLEX Wiring Diagram2003 Mercury Mountaineer 4.0 V6 FLEX Wiring Diagram

    Components on diagram:
  • Auto-Dimming Interior Mirror Unit
  • 2003 Mercury Mountaineer  4.0 V6 FLEX Wiring Diagram2003 Mercury Mountaineer 4.0 V6 FLEX Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Parking Aid Module (PAM)
  • 2003 Mercury Mountaineer  4.6 V8 GAS Wiring Diagram2003 Mercury Mountaineer 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • ABS Control Module
  • High Mounted Stoplamp
  • Brake Pedal Position Switch
  • CLICK HERE TO GET FULL ACCESS TO 2003 Mercury Mountaineer WIRING DIAGRAMS!

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

    Click here to view more details about 2001 Mercury Mountaineer Corner Light, Passenger Side2001 Mercury Mountaineer Corner Light, Passenger Side.

    Source: Auto Body Parts Store

    $27.56

    Click here to view more details1998 Mercury Mountaineer Oil Pressure Switch, 1/4 in. x 18 NPT thread size; Stud type; 1-prong male terminal; A high quality, direct fit OE replacement oil pressure switch; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $9.29

    Click here to view more details about 2001 Mercury Mountaineer Power Door Mirror, Driver Side2001 Mercury Mountaineer Power Door Mirror, Driver Side, DRIVER SIDE POWER DOOR MIRROR, WITHOUT HEATED GLASS, WITH PUDDLE LAMP, TEXTURED, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $97.99

    Click here to view more details about 2000 Mercury Mountaineer V6, 4 L, 245 CID Rebuilt Engine2000 Mercury Mountaineer V6, 4 L, 245 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $2,328.00

    Click here to view more details1997 Mercury Mountaineer Used Headlamp Door/Cover, Driver Side, painted, Very Good.

    Source: Used Auto Parts Store

    $58.00

    Click here to view more details2007 Mercury Mountaineer Used Cargo Cover, Storage Box Lid, Black, Very Good.

    Source: Used Auto Parts Store

    $85.00
    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 Mercury Mountaineer 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:
    GOT A WEBSITE?Make money with Automotix

    Make money with Automotix Partner Program.

    Learn more

    Auto Repair Quick Search
    Help me find