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

  • 2003 Chevrolet Impala 3.4 V6 GAS, CID:207, Fuel Injection, Aspiration:207, Engine VIN:, Desg:E
  • 2003 Chevrolet Impala 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:K
  • 2003 Chevrolet Impala LS 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:K

WIRING DIAGRAMS FOR 2003 Chevrolet Impala AUTOMOBILES

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

2003 Chevrolet Impala  3.8 V6 GAS Wiring Diagram2003 Chevrolet Impala 3.8 V6 GAS Wiring Diagram

Components on diagram:
  • Fuel Injector 5
  • Fuel Injector 1
  • Fuel Injector 3
  • Throttle Position Sensor
  • Mass Air Flow Sensor
  • 2003 Chevrolet Impala  3.8 V6 GAS Wiring Diagram2003 Chevrolet Impala 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Starter
  • Generator
  • Electronic Brake Control Module
  • Crank Relay
  • 2003 Chevrolet Impala  3.4 V6 GAS Wiring Diagram2003 Chevrolet Impala 3.4 V6 GAS Wiring Diagram

    Components on diagram:
  • Cigar Lighter
  • Auxiliary Power Outlet
  • 2003 Chevrolet Impala  3.4 V6 GAS Wiring Diagram2003 Chevrolet Impala 3.4 V6 GAS Wiring Diagram

    Components on diagram:
  • Rear Junction Box
  • 2003 Chevrolet Impala  3.4 V6 GAS Wiring Diagram2003 Chevrolet Impala 3.4 V6 GAS Wiring Diagram

    Components on diagram:
  • Rear Compartment Courtesy Lamp
  • Rear Compartment Lid Ajar Switch
  • 2003 Chevrolet Impala  3.4 V6 GAS Wiring Diagram2003 Chevrolet Impala 3.4 V6 GAS Wiring Diagram

    Components on diagram:
  • Radio Antenna Module
  • Radio
  • Rear Window Defogger Grid
  • 2003 Chevrolet Impala LS 3.8 V6 GAS Wiring Diagram2003 Chevrolet Impala LS 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • Audio Amplifier
  • 2003 Chevrolet Impala LS 3.8 V6 GAS Wiring Diagram2003 Chevrolet Impala LS 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Security Indicator
  • Powertrain Control Module
  • Message Center
  • Ignition Lock Cylinder
  • 2003 Chevrolet Impala  3.4 V6 GAS Wiring Diagram2003 Chevrolet Impala 3.4 V6 GAS Wiring Diagram

    Components on diagram:
  • Sunroof Module
  • Sunroof Switch
  • Sunroof Motor
  • Driver Information Center
  • 2003 Chevrolet Impala  3.8 V6 GAS Wiring Diagram2003 Chevrolet Impala 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Message Center
  • Trunk Open Indicator
  • Remote Control Door Lock Receiver
  • Rear Compartment Lid Release Switch
  • CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Impala WIRING DIAGRAMS!

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

    Click here to view more details about 2007 Chevrolet Impala Radiator Support2007 Chevrolet Impala Radiator Support, A high quality, OE replacement radiator support assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $125.63

    Click here to view more details1994 Chevrolet Impala Idle Control Valve, Blade type; 4-prong male terminal; With 2 mounting holes; A high quality, OE replacement idle control valve; With 2 years limited TrustBuilt warranty..

    Source: Auto Body Parts Store

    $12.11

    Click here to view more details2015 Chevrolet Impala Impostor W/S, Impostor W/S;19IN;14 Impala, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $83.50

    Click here to view more details about 1994 Isuzu Pickup L4, 2.3 L, 2254 CC Rebuilt Engine1994 Isuzu Pickup L4, 2.3 L, 2254 CC Rebuilt Engine, SOHC, supplied with new head casting., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,724.00

    Click here to view more details2007 Chevrolet Impala Used Bumper Bar, Rear, 4DR, MAR, LT Without foam, Very Good.

    Source: Used Auto Parts Store

    $124.00

    Click here to view more details2004 Chevrolet Impala Used A/C Compressor, 3.8, AUTO, FWD 3.8L, Very Good.

    Source: Used Auto Parts Store

    $103.00
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