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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Cadillac CTS car and truck repair procedures including Cadillac 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 Cadillac CTS automobile. Try the Automotix DIY solution today!
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WIRING DIAGRAMS FOR 2003 Cadillac CTS AUTOMOBILES

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

2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

Components on diagram:
  • Electrical Symbols
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Fog Lamp Relay
  • Dash Integration Module
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Rear Integration Module
  • Footwell Courtesy Lamp- Right
  • Footwell Courtesy Lamp- Left
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Ignition Relay
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Engine Control Module
  • Theft Deterrent Control Module
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Generator
  • Engine Control Module
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Seat Adjust Switch- Driver
  • Seat Recline Motor- Driver
  • Seat Recline Motor- Passenger
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Rear Integration Module
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Memory Seat Module
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Memory Seat Module
  • Seat Recline Position Sensor- Driver
  • Seat Recline Motor- Driver
  • Seat Horizontal Position Sensor- Driver
  • Seat Rear Vertical Motor- Driver
  • CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac CTS WIRING DIAGRAMS!

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

    Click here to view more details2008 Cadillac CTS Tow Eye Cover, Rear, Driver Side, A high quality, direct fit OE replacement tow eye cover; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $33.67

    Click here to view more details about 2011 Cadillac CTS Antenna2011 Cadillac CTS Antenna, 1-section mast; 470 mm extension; Stick-on; A high quality universal imitation antenna; May require modification or other adjustment to your vehicle upon installation..

    Source: Auto Body Parts Store

    $5.01

    Click here to view more details about 2007 Cadillac CTS Power Door Mirror, Passenger Side2007 Cadillac CTS Power Door Mirror, Passenger Side, PASSENGER SIDE POWER DOOR MIRROR, MANUAL FOLD, WITH HEATED GLASS, WITH MEMORY, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $168.34

    Click here to view more details2007 Cadillac CTS V6, 2.8 L, 171 CID Rebuilt Engine, Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

    Ad Hoc

    Click here to view more details2003 Cadillac CTS Used Air Flow Meter/Sensor, (3.0L), Very Good.

    Source: Used Auto Parts Store

    $61.00

    Click here to view more details2003 Cadillac CTS Used Bumper Bar, Front, 4DR, BLUE, BASE w/shocks, Very Good.

    Source: Used Auto Parts Store

    $410.00
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