2003 Chevrolet Silverado 1500 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 Chevrolet Silverado 1500 car and truck repair procedures including Chevrolet 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 Chevrolet Silverado 1500 automobile. Try the Automotix DIY solution today!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >

We have info for following modifications of 2003 Chevrolet Silverado 1500

  • 2003 Chevrolet Silverado 1500 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:X
  • 2003 Chevrolet Silverado 1500 4.8 V8 GAS, CID:294, Fuel Injection, Aspiration:294, Engine VIN:, Desg:V
  • 2003 Chevrolet Silverado 1500 5.3 V8 GAS, CID:323, Fuel Injection, Aspiration:323, Engine VIN:, Desg:T
  • 2003 Chevrolet Silverado 1500 5.3 V8 FLEX, CID:323, Fuel Injection, Aspiration:323, Engine VIN:, Desg:Z

WIRING DIAGRAMS FOR 2003 Chevrolet Silverado 1500 AUTOMOBILES

OEM drawn wiring diagrams for most 2003 Chevrolet Silverado 1500 cars and light trucks sold in the U.S.

2003 Chevrolet Silverado 1500  4.3 V6 GAS Wiring Diagram2003 Chevrolet Silverado 1500 4.3 V6 GAS Wiring Diagram

Components on diagram:
  • Park Lamp Relay
  • Horn Relay
  • Fog Lamp Relay
  • Daytime Running Lamps Relay
  • Air Conditioning Compressor Relay
  • 2003 Chevrolet Silverado 1500  5.3 V8 GAS Wiring Diagram2003 Chevrolet Silverado 1500 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Washer Fluid Level Sensor
  • Battery
  • Horn
  • Windshield Washer Fluid Pump
  • Park/Turn Signal Lamp -Right Front
  • 2003 Chevrolet Silverado 1500  4.8 V8 GAS Wiring Diagram2003 Chevrolet Silverado 1500 4.8 V8 GAS Wiring Diagram

    Components on diagram:
  • Powertrain Control Module
  • Air Conditioning Low Pressure Switch
  • Engine Control Module
  • Air Conditioning Compressor Clutch
  • Air Conditioning Compressor Clutch Relay
  • 2003 Chevrolet Silverado 1500  4.8 V8 GAS Wiring Diagram2003 Chevrolet Silverado 1500 4.8 V8 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Fog Lamp Relay
  • Fog Lamp Switch
  • Fog Lamp -Left Front
  • Fog Lamp -Right Front
  • 2003 Chevrolet Silverado 1500  5.3 V8 GAS Wiring Diagram2003 Chevrolet Silverado 1500 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Leveling Switch
  • Headlamp Leveling Actuator -Left
  • Headlamp Leveling Actuator -Right
  • 2003 Chevrolet Silverado 1500  5.3 V8 GAS Wiring Diagram2003 Chevrolet Silverado 1500 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Stop Lamp Switch
  • Center High Mounted Stop Lamp
  • Tail/Stop Lamp -Left
  • Tail/Stop Lamp -Right
  • 2003 Chevrolet Silverado 1500  5.3 V8 FLEX Wiring Diagram2003 Chevrolet Silverado 1500 5.3 V8 FLEX Wiring Diagram

    Components on diagram:
  • Turn Signal/Flasher Module
  • 2003 Chevrolet Silverado 1500  5.3 V8 GAS Wiring Diagram2003 Chevrolet Silverado 1500 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Traction Control Switch
  • Transfer Case Shift Control Switch
  • Window/Door Lock Switch -Driver
  • 2003 Chevrolet Silverado 1500  5.3 V8 GAS Wiring Diagram2003 Chevrolet Silverado 1500 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Front Passenger Door Module
  • 2003 Chevrolet Silverado 1500  5.3 V8 GAS Wiring Diagram2003 Chevrolet Silverado 1500 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Starter
  • Generator
  • Auxiliary Battery Relay
  • CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 1500 WIRING DIAGRAMS!

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

    Click here to view more details about 2007 Chevrolet Silverado 1500 Grille Assembly2007 Chevrolet Silverado 1500 Grille Assembly, With emblem provision and mesh grille insert; Ensures precise and perfect fit for a reliable and efficient performance; Adds unique and distinctive styling that gives your vehicle a custom look; With 1-year, unlimited-mileage Bolton Premiere warranty..

    Source: Auto Body Parts Store

    $390.84

    Click here to view more details2003 Chevrolet Silverado 1500 Bumper, Front, Includes brackets; With holes for air and license plate; Ensures precise and perfect fit for a reliable and efficient performance; Adds unique and distinctive styling that gives your vehicle a custom look; With 3 years limited CertifiedXL warranty..

    Source: Auto Body Parts Store

    $231.31

    Click here to view more details about 2014 Chevrolet Suburban Pillar Post Covers2014 Chevrolet Suburban Pillar Post Covers, Pillar Post Covers; 4 Piece Set; For Crew Cab APP., , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $51.50

    Click here to view more details1993 Chrysler New Yorker Fifth Avenue V6, 3.8 L, 230 CID Rebuilt Engine, OHV, MFI, passenger car only, does not include van., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,849.00

    Click here to view more details2002 Chevrolet Silverado 1500 Used Upper Control Arm, Passenger Side, 4.3, AUTO, 4X4 R, classic style (creased Dr skin), 6 lug whl, Very Good.

    Source: Used Auto Parts Store

    $70.00

    Click here to view more details1999 Chevrolet Silverado 1500 Used Fan Clutch, 4.8, AUTO, 4X2 ID BF, Very Good.

    Source: Used Auto Parts Store

    $76.00
    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 Chevrolet Silverado 1500 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