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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  3.4 V6 GAS Wiring Diagram2003 Chevrolet Impala 3.4 V6 GAS Wiring Diagram

Components on diagram:
  • Headlamp Switch
  • Body Control Module
  • High Beam Indicator
  • Headlamp Relay
  • Headlamp Dimmer Switch
  • 2003 Chevrolet Impala LS 3.8 V6 GAS Wiring Diagram2003 Chevrolet Impala LS 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Left Front Park/Turn Lamp
  • 2003 Chevrolet Impala  3.4 V6 GAS Wiring Diagram2003 Chevrolet Impala 3.4 V6 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Switch
  • Body Control Module
  • Instrument Panel Compartment Lamp
  • Battery Rundown Protection Relay
  • 2003 Chevrolet Impala  3.8 V6 GAS Wiring Diagram2003 Chevrolet Impala 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Ambient Air Temperature Sensor
  • Driver Information Center
  • 2003 Chevrolet Impala  3.8 V6 GAS Wiring Diagram2003 Chevrolet Impala 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • Ignition Switch
  • Body Control Module
  • Ignition Key Alarm Switch
  • 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
  • Message Center
  • Trunk Open Indicator
  • Remote Control Door Lock Receiver
  • Rear Compartment Lid Release Switch
  • 2003 Chevrolet Impala LS 3.8 V6 GAS Wiring Diagram2003 Chevrolet Impala LS 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Starter Solenoid
  • Battery
  • Ignition Switch
  • Starter Motor
  • Powertrain Control Module
  • 2003 Chevrolet Impala LS 3.8 V6 GAS Wiring Diagram2003 Chevrolet Impala LS 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Powertrain Control Module
  • Message Center
  • Malfunction Indicator
  • Reduced Engine Power Indicator
  • 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
  • Powertrain Control Module
  • Air Conditioning Compressor Relay
  • Air Conditioning Compressor Clutch
  • Air Conditioning Refrigerant Pressure Sensor
  • 2003 Chevrolet Impala  3.8 V6 GAS Wiring Diagram2003 Chevrolet Impala 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Brake Pressure Modulator Valve
  • Traction OFF Indicator
  • Traction Active Indicator
  • Electronic Brake Control Module
  • Powertrain Control Module
  • 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 details2005 Chevrolet Impala Headlight Cover, Made of damage-resistant acrylic material; Features custom aerodynamic design; Helps prevent damage to lights; Designed for a perfect fit; <b>For off-road and show use only</b>; Easy no-drill installation..

    Source: Auto Body Parts Store

    $47.06

    Click here to view more details about 1996 Chevrolet Impala Tail Light Lens, Driver Side1996 Chevrolet Impala Tail Light Lens, Driver Side, With black trim; A high quality, direct fit OE replacement tail light lens; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $119.65

    Click here to view more details2005 Chevrolet Impala Door Mirror Glass Perf Driver Side, Driver Side Replacement Mirror Glass; 8-3/16; Flat, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $14.45

    Click here to view more details1995 Toyota Pickup L4, 2.4 L, 2366 CC Rebuilt Engine, OHC, RWD, Fuel injected or Carb. Fits 8/84-10/95, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,469.00

    Click here to view more details2005 Chevrolet Impala Used Exhaust Manifold, 3.4L, L. (FR), Very Good.

    Source: Used Auto Parts Store

    $96.00

    Click here to view more details2007 Chevrolet Impala Used Air Injection Pump, 3.5, AUTO, FWD (3.5L, Calif), Very Good.

    Source: Used Auto Parts Store

    $93.00
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