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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
  • Starter Relay
  • Clutch Pedal Position Switch
  • Engine Control Module
  • Reverse Switch
  • 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
  • Ignition Relay
  • Rear Integration Module
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Transmission Control Module
  • Engine Control Module
  • Torque Converter Clutch/ Cruise Release Switch
  • Transmission Manual Shift Switch Assembly
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Electronic Brake Control Module
  • Inflatable Restraint Sensing And Diagnostic Module
  • Dash Integration Module
  • Ignition Control Module Bank 1
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Park Brake Switch
  • Brake Fluid Level Switch
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Switch
  • License Lamp
  • Dash Integration Module
  • Tail Lamp- Left Rear
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Stop Lamp Switch
  • Center High Mounted Stop Lamp
  • Stop Lamp- Right
  • Stop 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
  • Radio Antenna Module
  • Radio
  • Traffic Information Receiver
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • 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
  • 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 2005 Cadillac CTS Turn Signal Light, Passenger Side2005 Cadillac CTS Turn Signal Light, Passenger Side.

    Source: Auto Body Parts Store

    $174.95

    Click here to view more details about 2007 Cadillac CTS Door Mirror Passenger Side2007 Cadillac CTS Door Mirror Passenger Side, Passenger Side Power Door Mirror; Manual Folding; With Heated Glass And Memory, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $122.45

    Click here to view more details2007 Cadillac CTS V6, 2.8 L, 171 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

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    Click here to view more details2003 Cadillac CTS Used Exhaust Manifold, 1390735 NEW, AFTERMARKET.

    Source: Used Auto Parts Store

    $152.00

    Click here to view more details2009 Cadillac CTS Used Air Flow Meter/Sensor, 4.8, AUTO, 4X2 non-Hybrid, Very Good.

    Source: Used Auto Parts Store

    $69.00
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