2003 Cadillac CTS Electrical Connectors

Keep Your 2003 Cadillac CTS in Top Shape with Quality Electrical Connectors

Whether you’re repairing or upgrading your Electrical Connector, using high-quality parts is key to keeping your 2003 Cadillac CTS looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Oil Pressure Switch and Senders, Crankshaft Position Sensor Connectors, and Side Marker Lamp Connectors. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2003 Cadillac CTS Electrical Connector at Advance Auto Parts is around $46.91, with a range that starts at $10.99 and goes up to $184.99. With 27 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Multi-Use Connector, Engine Oil Pressure Switch, and Multi-Use Connector start at just $11.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Electrical Connector, don’t forget to check out other key components like Electrical Motors and Outlet Adapters. At Advance Auto Parts, we’re here to help you keep your 2003 Cadillac CTS in peak condition, inside and out.

Find Your Specific 2003 Cadillac CTS Electrical Connectors

Looking for the perfect Electrical Connector for your 2003 Cadillac CTS? You’re in the right place. Below, you’ll find links to various types of Electrical Connectors that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Electrical Connectors, ensuring durability and a precise fit for your Cadillac CTS. Whether you’re driving a 2003 model or another popular model year like 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, and 2019, we’ve got you covered. Purchasing Electrical Connectors from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Electrical Connectors that fit your vehicle.

Essential 2003 Cadillac CTS Electrical Connectors

GM Genuine Parts – WIRE CONNECTOR (Part No.PT3829)

WIRE CONNECTOR

from

$43.49
WIRE CONNECTOR
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Dorman – 2-Wire Fog Lamp Socket Bulbs 881 and 889 (Part No.85855)

2-Wire Fog Lamp Socket Bulbs 881 and 889

from

$18.99
This fog light connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this fog light connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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(2 reviews)
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GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT1525)

Black Multi-Purpose Pigtail

from

$56.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More
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Carquest Premium – Multi-Use Connector (Part No.PTA1783)

Multi-Use Connector

from

$33.49
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
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Carquest Premium – Multi-Use Connector (Part No.PTA2972)

Multi-Use Connector

from

$79.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
See More
View Product

GM Genuine Parts – Gray Multi-Purpose Pigtail (Part No.PT2206)

Gray Multi-Purpose Pigtail

from

$87.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More
View Product

GM Genuine Parts – Engine Oil Pressure Sensor (Part No.D1831A)

Engine Oil Pressure Sensor

from

$36.49
ACDelco GM Original Equipment Engine Oil Pressure Switches are designed, engineered, and tested to rigorous standards, and are backed by General Motors. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More
View Product

Carquest Premium – Multi-Use Connector (Part No.PTA1365)

Multi-Use Connector

from

$48.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
View Product

Dorman – Electrical Sockets – 3-Wire Stop, Tail, Turn and Back-Up (Part No.85881)

Electrical Sockets - 3-Wire Stop, Tail, Turn and Back-Up

from

$10.99
Dorman’s Socket Assemblies are engineered with extra-long leads and multiple butt connectors.

Product Features:
  • No special tools required for installation
  • Easy to install
  • Manufactured to strict engineering quality standards
  • Constructed of high-quality materials for long-lasting durability
See More

(7 reviews)
View Product

Carquest Premium – Multi-Use Connector (Part No.PTA1317)

Multi-Use Connector

from

$71.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
View Product

Dorman – Multi-Purpose Pigtail Connector (Part No.85137)

Multi-Purpose Pigtail Connector

from

$14.99
Make better electrical repairs and accessory installations with a Dorman pigtail connector. This idle air control valve connector is designed to match performance of the original equipment connector on specified vehicles. Engineered for a clean appearance when installed, Dorman connectors are ideal for neatly securing wiring jobs in automotive, commercial, industrial and household applications. Our pigtails are constructed from quality materials for long service life and resistance to the elements, and offer a range of features including locking tabs, weatherproof seals and more, where applicable. Check the product details to choose the best product for your electrical wiring needs.

Product Features:
  • Direct replacement – this idle air control valve connector is designed to match performance of the original equipment connector on specified vehicles
  • Ensure fit – check the product details to choose the best product for your needs
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More
View Product

Carquest Premium – Multi-Use Connector (Part No.PTA2989)

Multi-Use Connector

from

$53.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
See More
View Product

Carquest Premium – Multi-Use Connector (Part No.PTA1093)

Multi-Use Connector

from

$25.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
View Product

Carquest Premium – Multi-Use Connector (Part No.PTA1737)

Multi-Use Connector

from

$13.29
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
View Product

Carquest Premium – Repair Harness (Part No.PTA1223)

Repair Harness

from

$36.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
View Product

Carquest Premium – Multi-Use Connector (Part No.PTA2269)

Multi-Use Connector

from

$140.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
View Product

Carquest Premium – Multi-Use Connector (Part No.PTA2401)

Multi-Use Connector

from

$16.29
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
See More
View Product

Carquest Premium – Multi-Use Connector (Part No.PTA1352)

Multi-Use Connector

from

$51.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
View Product

Carquest Premium – Multi-Use Connector (Part No.PTA2017)

Multi-Use Connector

from

$47.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
View Product

GM Genuine Parts – Multi-Purpose Pigtail (Part No.PT2038)

Multi-Purpose Pigtail

from

$87.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More
View Product

Carquest Premium – Multi-Use Connector (Part No.PTA2089)

Multi-Use Connector

from

$44.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
View Product

Popular 2003 Cadillac CTS Electrical Connectors Categories

Oil Pressure Switch and Senders
Oil Pressure Switch and Senders
Combination Switch Connectors
Combination Switch Connectors
Lighting Wiring Harness Connectors
Lighting Wiring Harness Connectors
Body Wiring Harness Connectors
Body Wiring Harness Connectors
Crankshaft Position Sensor Connectors
Crankshaft Position Sensor Connectors
Manifold Air Pressure Sensor Connectors
Manifold Air Pressure Sensor Connectors
Fog Light Connectors
Fog Light Connectors
Side Marker Lamp Connectors
Side Marker Lamp Connectors
Coolant Temperature Sensor Connectors
Coolant Temperature Sensor Connectors
Oil Pressure Switch Connectors
Oil Pressure Switch Connectors
Engine Wiring Harness Connectors
Engine Wiring Harness Connectors
Inline Connectors
Inline Connectors
Interior Wiring Harness Connectors
Interior Wiring Harness Connectors
Hood Ajar Indicator Switch Connectors
Hood Ajar Indicator Switch Connectors
Traction Control Switch Connectors
Traction Control Switch Connectors
Fuel Level Sensor Connectors
Fuel Level Sensor Connectors
Cornering Light Connector
Cornering Light Connector
Console Wiring Harness Connector
Console Wiring Harness Connector
Steering Column Wiring Harness Connector
Steering Column Wiring Harness Connector

Most Popular Oil Pressure Switch and Senders for 2003 Cadillac CTSs

Enhance your 2003 Cadillac CTS with one of the 2 Oil Pressure Switch and Senders we have in stock, starting at just $12.99.
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Carquest Premium – Engine Oil Pressure Switch (Part No.SBA1049)

Engine Oil Pressure Switch

from

$12.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Oil Pressure Sensor/Switch monitors the engine¿s oil pressure, providing critical feedback to the driver and engine control unit to prevent potential damage from low oil pressure conditions. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.

Product Features:
  • Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
  • Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
  • Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
  • Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.
See More
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GM Genuine Parts – Engine Oil Pressure Sensor (Part No.D1831A)

Engine Oil Pressure Sensor

from

$36.49
ACDelco GM Original Equipment Engine Oil Pressure Switches are designed, engineered, and tested to rigorous standards, and are backed by General Motors. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More
View Product

Best-Selling 2003 Cadillac CTS Crankshaft Position Sensor Connectors

Upgrade your CTS with one of our 2 best-selling Crankshaft Position Sensor Connectors.
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Carquest Premium – Multi-Use Connector (Part No.PTA1226)

Multi-Use Connector

from

$41.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
View Product

Carquest Premium – Multi-Use Connector (Part No.PTA1521)

Multi-Use Connector

from

$61.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
View Product

Top-Quality Side Marker Lamp Connectors for 2003 Cadillac CTSs

Choose a high-quality OEM or aftermarket Side Marker Lamp Connector for Cadillac CTSs and enjoy top-notch performance from $10.99.
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Dorman – Electrical Sockets – 3-Wire Stop, Tail, Turn and Back-Up (Part No.85881)

Electrical Sockets - 3-Wire Stop, Tail, Turn and Back-Up

from

$10.99
Dorman’s Socket Assemblies are engineered with extra-long leads and multiple butt connectors.

Product Features:
  • No special tools required for installation
  • Easy to install
  • Manufactured to strict engineering quality standards
  • Constructed of high-quality materials for long-lasting durability
See More

(7 reviews)
View Product

Our Top Pick for a 2003 Cadillac CTS Fog Light Connector

Invest in a durable Fog Light Connector for your 2003 Cadillac, knowing you’re getting trusted brands and expert craftsmanship.
show more show less

Carquest Premium – Multi-Use Connector (Part No.PTA1004)

Multi-Use Connector

from

$11.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
View Product

Coolant Temperature Sensor Connectors for 2003 Cadillac CTSs

Make a smart move for your 2003 Cadillac CTS with products all priced from $14.99 to $49.99.
show more show less

Dorman – Multi-Purpose Pigtail Connector (Part No.85137)

Multi-Purpose Pigtail Connector

from

$14.99
Make better electrical repairs and accessory installations with a Dorman pigtail connector. This idle air control valve connector is designed to match performance of the original equipment connector on specified vehicles. Engineered for a clean appearance when installed, Dorman connectors are ideal for neatly securing wiring jobs in automotive, commercial, industrial and household applications. Our pigtails are constructed from quality materials for long service life and resistance to the elements, and offer a range of features including locking tabs, weatherproof seals and more, where applicable. Check the product details to choose the best product for your electrical wiring needs.

Product Features:
  • Direct replacement – this idle air control valve connector is designed to match performance of the original equipment connector on specified vehicles
  • Ensure fit – check the product details to choose the best product for your needs
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More
View Product

Carquest Premium – Multi-Use Connector (Part No.PTA1689)

Multi-Use Connector

from

$49.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More
View Product

FAQs for 2003 Cadillac CTS Electrical Connectors

What are the best-selling Electrical Connectors for 2003 Cadillac CTSs?

Out of 27 Electrical Connectors that fit 2003 Cadillac CTSs, the following parts are the top sellers:

What’s the price range for 2003 Cadillac CTS Electrical Connectors?

The prices of Electrical Connectors for the 2003 Cadillac CTS range from $10.99 up to $184.99 for the most premium parts.

What is the average price of an Electrical Connector for a 2003 Cadillac CTS?

The average price for Electrical Connectors for the 2003 Cadillac CTS is $46.91. Keep in mind the variety of part types within our Electrical Connector category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Electrical Connectors for other Cadillac CTS model years?

Yes, we carry Electrical Connectors for 15 model years of Cadillac CTSs between 2004 and 2019. The following model years are the most popular for Electrical Connector purchases: 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, and 2011.

What are the cheapest Electrical Connectors for my 2003 Cadillac CTS?

The cheapest 2003 Cadillac CTS Electrical Connectors we carry are:

Does Advance Auto Parts sell Electrical Connectors for any other 2003 Cadillac models?

What types of Electrical Connectors do you sell for my 2003 Cadillac CTS?

As of 11/2/25, these are some of the most in-demand types of Electrical Connectors for a 2003 Cadillac CTS:

Can I get help with 2003 Cadillac CTS Electrical Connector orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Electrical Connectors and more.

What is your return policy for Cadillac CTS Electrical Connectors?

Advance Auto Parts keeps returns simple. For new Cadillac CTS Electrical Connectors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

More Popular Parts for All Makes