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 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  5.3 V8 FLEX Wiring Diagram2003 Chevrolet Silverado 1500 5.3 V8 FLEX Wiring Diagram

Components on diagram:
  • Fuel Injector 5
  • Fuel Injector 4
  • Fuel Injector 2
  • Fuel Injector 3
  • Fuel Injector 7
  • 2003 Chevrolet Silverado 1500  5.3 V8 FLEX Wiring Diagram2003 Chevrolet Silverado 1500 5.3 V8 FLEX Wiring Diagram

    Components on diagram:
  • Vehicle Speed Sensor
  • Clutch Start Switch
  • Powertrain Control Module
  • 2003 Chevrolet Silverado 1500  5.3 V8 GAS Wiring Diagram2003 Chevrolet Silverado 1500 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Auxiliary Power Outlet
  • Accessory Power Outlet
  • 2003 Chevrolet Silverado 1500  5.3 V8 GAS Wiring Diagram2003 Chevrolet Silverado 1500 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • 2003 Chevrolet Silverado 1500  4.3 V6 GAS Wiring Diagram2003 Chevrolet Silverado 1500 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Switch
  • Park Lamp Relay
  • Body Control Module
  • 2003 Chevrolet Silverado 1500  5.3 V8 GAS Wiring Diagram2003 Chevrolet Silverado 1500 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Tail/Stop Lamp -Right
  • License Lamp -Right
  • 2003 Chevrolet Silverado 1500  4.3 V6 GAS Wiring Diagram2003 Chevrolet Silverado 1500 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Front Passenger Door Module
  • 2003 Chevrolet Silverado 1500  4.3 V6 GAS Wiring Diagram2003 Chevrolet Silverado 1500 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Ignition Key Alarm Switch
  • Passlock Sensor
  • 2003 Chevrolet Silverado 1500  5.3 V8 FLEX Wiring Diagram2003 Chevrolet Silverado 1500 5.3 V8 FLEX Wiring Diagram

    Components on diagram:
  • Power Take Off Relay
  • Power Take Off Switch
  • Engine Control Module/Powertrain Control Module
  • 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 2001 Chevrolet Silverado 1500 Headlight Bracket, Passenger Side2001 Chevrolet Silverado 1500 Headlight Bracket, Passenger Side, A high quality, OE replacement headlight housing support; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $16.72

    Click here to view more details2003 Chevrolet Silverado 1500 Neutral Safety Switch, Blade type; 4-prong and 7-prong male terminals; A high quality, direct fit OE replacement neutral safety switch; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $37.58

    Click here to view more details about 2012 Chevrolet Malibu 17" x 7" Steel Wheel2012 Chevrolet Malibu 17" x 7" Steel Wheel, Steel Wheel; 17 X 7; 5 Spokes; 5 Lug; 110MM BP; Ident FGB; Black, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $152.50

    Click here to view more details1995 Pontiac Bonneville Sse V6, 3.8 L, 231 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,969.00

    Click here to view more details2010 Chevrolet Silverado 1500 Used Rear View Mirror, W/ONSTAR (OPT UE1), W/LIGHT SENSITIVE MIRROR (OPT DD8), RADIO (OPT US8, US9, UVA), Very Good.

    Source: Used Auto Parts Store

    $95.00

    Click here to view more details2001 Chevrolet Silverado 1500 Used Upper Control Arm, Driver Side, 6.0, AUTO, 4X2, Very Good.

    Source: Used Auto Parts Store

    $62.00
    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