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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:
  • Data Link Connector
  • Headlamp- Left
  • Headlamp- Right
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Tail Lamp- Right
  • Side Marker Lamp- Right
  • Side Marker Lamp- Left
  • Tail Lamp- Left
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Right Back-Up Lamp
  • Left Back-Up Lamp
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • TV Antenna Module
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • Inside Rearview Mirror
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Horn Assembly
  • Dash Integration Module
  • Horn Pad
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Ignition Switch
  • Engine Control Module
  • Clutch Pedal Position Sensor
  • Dash Integration Module
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Garage Door Opener
  • 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
  • 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 details about 2005 Cadillac CTS Headlight, Passenger Side2005 Cadillac CTS Headlight, Passenger Side, Bulbs included; Without washer and leveling system; Composite and halogen type; DOT and SAE approved; A high quality, OE replacement headlight assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $211.65

    Click here to view more details2004 Cadillac CTS Side Marker, Front, Driver Side, Bulbs included; CAPA certified; DOT and SAE approved; A high quality, direct fit OE replacement side marker light assembly; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $24.38

    Click here to view more details about 2010 Cadillac CTS Standard Fog Light Trim2010 Cadillac CTS Standard Fog Light Trim, Standard Fog Light Trim; 2 Piece Set, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $41.50

    Click here to view more details2010 Cadillac CTS V6, 3.6 L, 220 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    Ad Hoc

    Click here to view more details2009 Cadillac CTS Used Bumper Bar, Front, 4DR, MAR, BASE, Very Good.

    Source: Used Auto Parts Store

    $348.00

    Click here to view more details2003 Cadillac CTS Used A/C Compressor, 3.2, AUTO, RWD, Very Good.

    Source: Used Auto Parts Store

    $178.00
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