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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:
  • Data Link Connector
  • Engine Control Module
  • Compressor Clutch Relay
  • Air Conditioning Compressor Clutch
  • Air Conditioning Refrigerant Pressure Sensor
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Evaporator Temperature Sensor
  • Mode Actuator
  • Air Temperature Actuator
  • Heater/Vent/ Air Conditioning 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
  • Dash Integration Module
  • Automatic Transmission Shift Lock Actuator
  • Ignition Lock Cylinder Control Actuator
  • 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:
  • Radio
  • Inside Rearview Mirror
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Driver Information Center
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Engine Control Module
  • Clutch Pedal Position Sensor
  • Steering Wheel Control Switch- Center
  • Torque Converter Clutch/ Cruise Control Release Switch
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Sunroof Module
  • Retained Accessory Power Relay
  • Dash Integration Module
  • Rear Integration Module
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

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

    Components on diagram:
  • Data Link Connector
  • Driver Door Module
  • Front Passenger Door Module
  • Outside Mirror- 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 Radiator2005 Cadillac CTS Radiator, 16.75 x 26 x 1 in. core size, 1.38 in. inlet size, 1.38 in. outlet size, A high quality, direct fit OE replacement radiator..

    Source: Auto Body Parts Store

    $112.00

    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 2013 Cadillac CTS Door Mirror Driver Side2013 Cadillac CTS Door Mirror Driver Side, Driver Side Power Door Mirror; Paint To Match; With Heated Glass; Without Memory; Foldaway Type, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $70.50

    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

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    Click here to view more details2008 Cadillac CTS Used Radio, CONT PANEL W/DISPLAY, AM-FM-NAV-CD-DVD-MP3 (OPT UAV), COOLED & HTD SEAT (OPT KB6), Very Good.

    Source: Used Auto Parts Store

    $241.00

    Click here to view more details2005 Cadillac CTS Used A/C Compressor, 3.6, AUTO, RWD 3.6L, Very Good.

    Source: Used Auto Parts Store

    $139.00
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