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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Chevrolet Trailblazer 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 Trailblazer automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2003 Chevrolet Trailblazer

  • 2003 Chevrolet Trailblazer 4.2 L6 GAS, CID:256, Fuel Injection, Aspiration:256, Engine VIN:, Desg:S
  • 2003 Chevrolet Trailblazer EXT 4.2 L6 GAS, CID:256, Fuel Injection, Aspiration:256, Engine VIN:, Desg:S
  • 2003 Chevrolet Trailblazer EXT 5.3 V8 GAS, CID:325, Fuel Injection, Aspiration:325, Engine VIN:, Desg:P

WIRING DIAGRAMS FOR 2003 Chevrolet Trailblazer AUTOMOBILES

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

2003 Chevrolet Trailblazer EXT 4.2 L6 GAS Wiring Diagram2003 Chevrolet Trailblazer EXT 4.2 L6 GAS Wiring Diagram

Components on diagram:
  • Manifold Absolute Pressure Sensor
  • Intake Air Temperature Sensor
  • Throttle Actuator Control Throttle Body
  • 2003 Chevrolet Trailblazer  4.2 L6 GAS Wiring Diagram2003 Chevrolet Trailblazer 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Fuel Injector 5
  • Fuel Injector 4
  • Fuel Injector 1
  • Fuel Injector 2
  • Fuel Injector 3
  • 2003 Chevrolet Trailblazer  4.2 L6 GAS Wiring Diagram2003 Chevrolet Trailblazer 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Transfer Case Shift Control Module
  • Headlamp Switch
  • Traction Control Switch
  • Body Control Module
  • Traction Active Indicator
  • 2003 Chevrolet Trailblazer  4.2 L6 GAS Wiring Diagram2003 Chevrolet Trailblazer 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Windshield Wiper Motor
  • Outside Moisture Sensor
  • Windshield Washer Relay
  • Windshield Washer Fluid Pump
  • 2003 Chevrolet Trailblazer EXT 5.3 V8 GAS Wiring Diagram2003 Chevrolet Trailblazer EXT 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Seat Recline Motor -Passenger
  • Seat Horizontal Motor -Passenger
  • Seat Rear Vertical Motor -Passenger
  • Memory Seat Module -Passenger
  • Seat Front Vertical Motor -Passenger
  • 2003 Chevrolet Trailblazer EXT 4.2 L6 GAS Wiring Diagram2003 Chevrolet Trailblazer EXT 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Seat Lumbar Position Sensor -Driver
  • Seat Lumbar Horizontal Motor -Driver
  • Seat Lumbar Vertical Motor -Driver
  • Memory Seat Module -Driver
  • Lumbar Adjuster Switch -Driver
  • 2003 Chevrolet Trailblazer EXT 5.3 V8 GAS Wiring Diagram2003 Chevrolet Trailblazer EXT 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Driver Door Module
  • Memory Seat Module -Driver
  • Memory Seat Switch -Driver
  • 2003 Chevrolet Trailblazer  4.2 L6 GAS Wiring Diagram2003 Chevrolet Trailblazer 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Starter Relay
  • Starter
  • Powertrain Control Module
  • Park/Neutral Position Switch
  • 2003 Chevrolet Trailblazer EXT 5.3 V8 GAS Wiring Diagram2003 Chevrolet Trailblazer EXT 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Turn Signal/Hazard Flasher Module
  • Park/Neutral Position
  • CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Trailblazer WIRING DIAGRAMS!

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

    Click here to view more details2006 Chevrolet Trailblazer Wiper Blade, Front, Driver Or Passenger Side, Rear, With universal plastic adapters and easy to follow installation instructions; AutoTrust Silver products are guaranteed to meet or exceed the original manufacturer's standards and quality; <b>Backed by a 3-year limited warranty</b>; If the part breaks or is damaged anytime within 3 years from purchase, simply cover shipping and handling and we will send you a new part..

    Source: Auto Body Parts Store

    $7.50

    Click here to view more details about 2005 Chevrolet Trailblazer Mirror, Driver Side2005 Chevrolet Trailblazer Mirror, Driver Side.

    Source: Auto Body Parts Store

    $123.09

    Click here to view more details about 2008 Chevrolet Trailblazer Door Handle Cover ABS2008 Chevrolet Trailblazer Door Handle Cover ABS, Door Handle Covers; 4 Door; Without Passenger Side Keyhole, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $21.45

    Click here to view more details1971 International 1310 V8, 5 L, 304 CID Rebuilt Engine, Scout appl. Comes with oil pump kit only., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $2,252.00

    Click here to view more details2008 Chevrolet Trailblazer Used A/C Compressor, 4.2, AUTO, 4X2 4.2L, Very Good.

    Source: Used Auto Parts Store

    $142.00

    Click here to view more details2003 Chevrolet Trailblazer Used A/C Compressor, 5.3, AUTO, 4X4 5.3L, Very Good.

    Source: Used Auto Parts Store

    $139.00
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