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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:
  • 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:
  • 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:
  • 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:
  • Windshield Washer Fluid Level Switch
  • Headlamp Washer Relay
  • Dash Integration Module
  • Headlamp Washer Fluid Pump
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Audio Amplifier
  • 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
  • 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:
  • 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:
  • Door Lock Switch- Driver
  • 2003 Cadillac CTS  3.2 V6 GAS Wiring Diagram2003 Cadillac CTS 3.2 V6 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Inflatable Restraint Sensing And Diagnostic Module
  • Seat Belt Switch- Left
  • 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 2007 Cadillac CTS Grille Assembly2007 Cadillac CTS Grille Assembly, Without emblem provision; A high quality, OE replacement complete grille and shell assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $137.95

    Click here to view more details about 2004 Cadillac CTS Side Marker, Front, Passenger Side2004 Cadillac CTS Side Marker, Front, Passenger Side, Bulbs included; CAPA certified; DOT and SAE approved; A high quality, direct fit OE replacement side marker light assembly..

    Source: Auto Body Parts Store

    $13.86

    Click here to view more details2013 Cadillac CTS Passenger Side Tail Light Assembly, Passenger Side Tail Light Assembly; Without Clear Outer Lens, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $219.50

    Click here to view more details2004 Cadillac CTS V6, 3.2 L, 196 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

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    Click here to view more details2006 Cadillac CTS Used Bumper Bar, Rear, 4DR, White, BASE Without absorber shocks, Very Good.

    Source: Used Auto Parts Store

    $110.00

    Click here to view more details2003 Cadillac CTS Used Rear Lower Control Arm, Driver Side, Passenger Side Rear, 3.6, AUTO, RWD crossmember to knuckle, lower arm, L., Very Good.

    Source: Used Auto Parts Store

    $121.00
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