2003 Toyota 4runner 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 Toyota 4runner car and truck repair procedures including Toyota 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 Toyota 4runner automobile. Try the Automotix DIY solution today!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >

We have info for following modifications of 2003 Toyota 4runner

  • 2003 Toyota 4runner 4.0 V6 GAS, CC:4000, Fuel Injection
  • 2003 Toyota 4runner 4.7 V8 GAS, CC:4663, CID:285, Fuel Injection, Aspiration:285

WIRING DIAGRAMS FOR 2003 Toyota 4runner AUTOMOBILES

OEM drawn wiring diagrams for most 2003 Toyota 4runner cars and light trucks sold in the U.S.

2003 Toyota 4runner  4.0 V6 GAS Wiring Diagram2003 Toyota 4runner 4.0 V6 GAS Wiring Diagram

Components on diagram:
  • Battery
  • Starter Relay
  • Ignition Switch
  • Starter
  • Park/Neutral Position Switch
  • 2003 Toyota 4runner  4.0 V6 GAS Wiring Diagram2003 Toyota 4runner 4.0 V6 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Ignition Switch
  • Noise Filter
  • Ignition Coil and Igniter 2
  • Ignition Coil and igniter 3
  • 2003 Toyota 4runner  4.7 V8 GAS Wiring Diagram2003 Toyota 4runner 4.7 V8 GAS Wiring Diagram

    Components on diagram:
  • Turn Signal Switch
  • Battery
  • Turn Signal Relay
  • Ignition Switch
  • Left Turn Signal
  • 2003 Toyota 4runner  4.7 V8 GAS Wiring Diagram2003 Toyota 4runner 4.7 V8 GAS Wiring Diagram

    Components on diagram:
  • Turn Signal Switch
  • Battery
  • Turn Signal Relay
  • Ignition Switch
  • Left Turn Signal
  • 2003 Toyota 4runner  4.0 V6 GAS Wiring Diagram2003 Toyota 4runner 4.0 V6 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Ignition Switch
  • Cruise Indicator
  • Engine Control Module
  • 2003 Toyota 4runner  4.7 V8 GAS Wiring Diagram2003 Toyota 4runner 4.7 V8 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Ignition Switch
  • Differential Lock Switch
  • Transfer Shift Actuator
  • 2003 Toyota 4runner  4.7 V8 GAS Wiring Diagram2003 Toyota 4runner 4.7 V8 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Ignition Switch
  • Ignition Relay
  • Left Seat Heater Switch
  • Right Seat Heater
  • 2003 Toyota 4runner  4.0 V6 GAS Wiring Diagram2003 Toyota 4runner 4.0 V6 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • Combination Switch
  • Key Interlock Solenoid
  • Rear Seat Audio Controller
  • Shift Lock Control Engine Control Unit
  • CLICK HERE TO GET FULL ACCESS TO 2003 Toyota 4runner WIRING DIAGRAMS!

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

    Click here to view more details about 2009 Toyota 4runner Radiator Support2009 Toyota 4runner Radiator Support, A high quality, OE replacement radiator support assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $229.87

    Click here to view more details about 1998 Toyota 4runner Headlight, Driver Side1998 Toyota 4runner Headlight, Driver Side, Comes with bulbs and backed by 1-year, unlimited-mileage warranty.<p>Be safe! Replace your worn out or broken lights with these DOT and SAE Approved lighting products. They are made to stand rough road wear and the test of time!<br>.

    Source: Auto Body Parts Store

    $112.16

    Click here to view more details about 2009 Toyota 4RUNNER 16" x 7" Alloy Wheel2009 Toyota 4RUNNER 16" x 7" Alloy Wheel, Alloy Wheel; 16 X 7; 30MM Offset; 6 Spokes; 6 Lug; 5.5 Inch BP; Silver, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $117.50

    Click here to view more details about 1992 Toyota 4runner SR5 V6, 3 L, 2959 CC Rebuilt Engine1992 Toyota 4runner SR5 V6, 3 L, 2959 CC Rebuilt Engine, SOHC, RWD, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $2,090.00

    Click here to view more details2003 Toyota 4runner Used A/C Compressor, 4.7, AUTO, RWD 8 cyl, Very Good.

    Source: Used Auto Parts Store

    $161.00

    Click here to view more details1990 Toyota 4runner Used Parking Lamp, Passenger Side, Parklamp/Turn Signal; bumper-mtd, Good.

    Source: Used Auto Parts Store

    $51.00
    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 Toyota 4runner 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