2003 Cadillac CTS Electrical Connectors

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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 Windshield Washer Pump Connectors, Oil Pressure Switch and Senders, and Oil Pressure Switch 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 $61.90, with a range that starts at $11.99 and goes up to $371.99. With 23 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Carquest Multi-Use Connector, PTA1007, GM Genuine Parts Black Multi-Purpose Pigtail, PT2830, and GM Genuine Parts Gray Multi-Purpose Pigtail, PT3923 start at just $19.99 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.

Essential 2003 Cadillac CTS Electrical Connectors

Carquest Premium – Carquest Engine Oil Pressure Sensor with Filter, SBC1004 (Part No.SBC1004)

Carquest Engine Oil Pressure Sensor with Filter, SBC1004

from

$72.99
Carquest Premium oil pressure sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium oil pressure sensors and switches are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium oil pressure sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. They are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered, and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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Carquest Premium – Carquest Multi-Use Connector, PTA1186 (Part No.PTA1186)

Carquest Multi-Use Connector, PTA1186

from

$32.99
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.
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GM Genuine Parts – GM Genuine Parts Multi-Purpose Pigtail, PT168 (Part No.PT168)

GM Genuine Parts Multi-Purpose Pigtail, PT168

from

$36.99
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.
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Carquest Premium – Carquest Multi-Use Connector, PTA2972 (Part No.PTA2972)

Carquest Multi-Use Connector, PTA2972

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.
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Dorman – Dorman Throttle Body Connector, 645-234 (Part No.645-234)

Dorman Throttle Body Connector, 645-234

from

$76.99
Make better electrical repairs and accessory installations with this versatile and durable pigtail connector. It allows quick circuit disconnections for service, and is engineered for reliable performance.
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Carquest Premium – Carquest Multi-Use Connector, PTA2401 (Part No.PTA2401)

Carquest Multi-Use Connector, PTA2401

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

Carquest Multi-Use Connector, PTA2017

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.
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GM Genuine Parts – GM Genuine Parts 4-Way Female Black Multi-Purpose Pigtail, PT483 (Part No.PT483)

GM Genuine Parts 4-Way Female Black Multi-Purpose Pigtail, PT483

from

$34.49
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.
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GM Genuine Parts – GM Genuine Parts Gray Multi-Purpose Pigtail, PT3923 (Part No.PT3923)

GM Genuine Parts Gray Multi-Purpose Pigtail, PT3923

from

$46.99
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.
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GM Genuine Parts – GM Genuine Parts 3-Way Female Black Multi-Purpose Pigtail, PT420 (Part No.PT420)

GM Genuine Parts 3-Way Female Black Multi-Purpose Pigtail, PT420

from

$41.99
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.
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Carquest Premium – Carquest Multi-Use Connector, ABA3461 (Part No.ABA3461)

Carquest Multi-Use Connector, ABA3461

from

$14.99
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.
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Dorman – Dorman Two-Wire Fog Lamp Socket Bulbs 881 and 889, 85855 (Part No.85855)

Dorman Two-Wire Fog Lamp Socket Bulbs 881 and 889, 85855

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.
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Carquest Premium – Carquest Multi-Use Connector, PTA1063 (Part No.PTA1063)

Carquest Multi-Use Connector, PTA1063

from

$15.99
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.
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GM Genuine Parts – GM Genuine Parts Black Multi-Purpose Pigtail, PT1525 (Part No.PT1525)

GM Genuine Parts Black Multi-Purpose Pigtail, PT1525

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.
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Carquest Premium – Carquest Multi-Use Connector, PTA1007 (Part No.PTA1007)

Carquest Multi-Use Connector, PTA1007

from

$19.99
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.
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Carquest Premium – Carquest Multi-Use Connector, PTA1066 (Part No.PTA1066)

Carquest Multi-Use Connector, PTA1066

from

$62.99
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.
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Carquest Premium – Carquest Multi-Use Connector, PTA2915 (Part No.PTA2915)

Carquest Multi-Use Connector, PTA2915

from

$43.99
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.
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GM Genuine Parts – GM Genuine Parts Multi-Purpose Pigtail, PT2971 (Part No.PT2971)

GM Genuine Parts Multi-Purpose Pigtail, PT2971

from

$67.99
GM Genuine Parts Multi-Purpose Pigtail, PT2971.
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Dorman – Dorman Temperature Sender Sensor Connector, 645-164 (Part No.645-164)

Dorman Temperature Sender Sensor Connector, 645-164

from

$39.99
Make better electrical repairs and accessory installations with this pigtail connector. Designed for a clean appearance when installed, it features weatherproof terminals and a locking tab for a reliable quick disconnect electrical connection.
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Carquest Premium – Carquest Multi-Use Connector, PTA1689 (Part No.PTA1689)

Carquest Multi-Use Connector, PTA1689

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.
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Carquest Premium – Carquest Multi-Use Connector, PTA1691 (Part No.PTA1691)

Carquest Multi-Use Connector, PTA1691

from

$59.99
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.
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ACDelco – ACDelco 2-Way Female Gray Multi-Purpose Pigtail, PT209 (Part No.PT209)

ACDelco 2-Way Female Gray Multi-Purpose Pigtail, PT209

from

$30.49
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.
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Carquest Premium – Carquest Multi-Use Connector, PTC2094 (Part No.PTC2094)

Carquest Multi-Use Connector, PTC2094

from

$138.99
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.
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GM Genuine Parts – GM Genuine Parts 4-Way Male Black Multi-Purpose Pigtail, PT996 (Part No.PT996)

GM Genuine Parts 4-Way Male Black Multi-Purpose Pigtail, PT996

from

$64.99
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.
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Carquest Premium – Carquest Multi-Use Connector, PTC2087 (Part No.PTC2087)

Carquest Multi-Use Connector, PTC2087

from

$35.49
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.
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Carquest Premium – Carquest Multi-Use Connector, PTA2272 (Part No.PTA2272)

Carquest Multi-Use Connector, PTA2272

from

$34.49
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.
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Carquest Premium – Carquest Multi-Use Connector, PTA1089 (Part No.PTA1089)

Carquest Multi-Use Connector, PTA1089

from

$38.99
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.
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Most Popular Windshield Washer Pump Connector for 2003 Cadillac CTSs

Enhance your 2003 Cadillac CTS with this popular Windshield Washer Pump Connector we have in stock, for $19.99.

Carquest Premium – Carquest Multi-Use Connector, PTA1007 (Part No.PTA1007)

Carquest Multi-Use Connector, PTA1007

from

$19.99
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.
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Best-Selling 2003 Cadillac CTS Oil Pressure Switch and Senders

Upgrade your CTS with one of our 2 best-selling Oil Pressure Switch and Senders.

Carquest Premium – Carquest Engine Oil Pressure Switch, SBA1049 (Part No.SBA1049)

Carquest Engine Oil Pressure Switch, SBA1049

from

$16.99
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.
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GM Genuine Parts – GM Genuine Parts Engine Oil Pressure Sensor, D1831A (Part No.D1831A)

GM Genuine Parts Engine Oil Pressure Sensor, D1831A

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.
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Top-Quality Oil Pressure Switch Connectors for 2003 Cadillac CTSs

Choose a high-quality OEM or aftermarket Oil Pressure Switch Connector for Cadillac CTSs and enjoy top-notch performance from $48.49.

GM Genuine Parts – GM Genuine Parts Black Multi-Purpose Pigtail, PT2830 (Part No.PT2830)

GM Genuine Parts Black Multi-Purpose Pigtail, PT2830

from

$48.49
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.
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Our Top Pick for a 2003 Cadillac CTS Turn Signal and Side Marker Light Connector

Invest in a durable Turn Signal and Side Marker Light Connector for your 2003 Cadillac, knowing you’re getting trusted brands and expert craftsmanship.

GM Genuine Parts – GM Genuine Parts Multi-Purpose Pigtail Kit, PT3833 (Part No.PT3833)

GM Genuine Parts Multi-Purpose Pigtail Kit, PT3833

from

$41.99
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.
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Our Fog Light Connectors for 2003 Cadillac CTSs

Make a smart move for your 2003 Cadillac CTS with our Fog Light Connector for $11.99.

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

Carquest Multi-Use Connector, PTA1004

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.
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FAQs for 2003 Cadillac CTS Electrical Connectors

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

Out of 23 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 $11.99 up to $371.99 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 $61.90. 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 8/2/26, 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.