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

Components on diagram:
  • License Lamp -Left
  • License Lamp -Right
  • 2003 Chevrolet Trailblazer  4.2 L6 GAS Wiring Diagram2003 Chevrolet Trailblazer 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Turn Signal/Hazard Flasher Module
  • Throttle Actuator Control Module
  • Stop Lamp Switch
  • Powertrain Control Module
  • Center High Mounted Stop Lamp
  • 2003 Chevrolet Trailblazer  4.2 L6 GAS Wiring Diagram2003 Chevrolet Trailblazer 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Powertrain Control Module
  • Taillamp Assembly -Left
  • Taillamp Assembly -Right
  • 2003 Chevrolet Trailblazer EXT 5.3 V8 GAS Wiring Diagram2003 Chevrolet Trailblazer EXT 5.3 V8 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 EXT 4.2 L6 GAS Wiring Diagram2003 Chevrolet Trailblazer EXT 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:
  • Driver Door Module
  • Outside Rearview Mirror Switch
  • Front Passenger Door Module
  • Heater/Vent/Air Conditioning Control Module
  • Outside Rearview Mirror -Driver
  • 2003 Chevrolet Trailblazer  4.2 L6 GAS Wiring Diagram2003 Chevrolet Trailblazer 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Seat belt Indicator
  • Inflatable Restraint Sensing And Diagnostic Module
  • Seat Belt Switch -Driver
  • 2003 Chevrolet Trailblazer EXT 4.2 L6 GAS Wiring Diagram2003 Chevrolet Trailblazer EXT 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Mode Actuator
  • Recirculation Actuator
  • Defrost Actuator
  • Heater/Vent/Air Conditioning Control Module
  • Air Temperature Actuator -Left
  • 2003 Chevrolet Trailblazer EXT 4.2 L6 GAS Wiring Diagram2003 Chevrolet Trailblazer EXT 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Stop Lamp Switch
  • Automatic Transmission Shift Lock Actuator
  • 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 details about 2005 Chevrolet Trailblazer Side Marker Assembly, Rear, Driver Side2005 Chevrolet Trailblazer Side Marker Assembly, Rear, Driver Side, A high quality, OE replacement bumper reflector; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $3.28

    Click here to view more details2006 Chevrolet Trailblazer Wiper Blade, Front, 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

    $18.39

    Click here to view more details2009 Chevrolet Trailblazer Reflector Rear, Driver Or Passenger Side Rear Bumper Reflector; For Sedan Models; Fits CTS And CTS-V Models, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $9.50

    Click here to view more details1993 Jeep Cherokee L4, 2.5 L, 150 CID Rebuilt Engine, Block #532, 403, Head #403, 117 Crank #904, Crank snout 2.125", Oil bypass in filter, not in block, FI only, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,297.00

    Click here to view more details2007 Chevrolet Trailblazer Used A/C Compressor, 4.2, AUTO, 4X4 4.2L, Very Good.

    Source: Used Auto Parts Store

    $139.00

    Click here to view more details2005 Chevrolet Trailblazer Used Air Injection Pump, 4.2, AUTO, 4X4, Very Good.

    Source: Used Auto Parts Store

    $174.00
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