1977 Cadillac Eldorado Electrical Connectors

Keep Your 1977 Cadillac Eldorado 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 1977 Cadillac Eldorado looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Fog Light Connectors and Oil Pressure Switch and Senders. 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 1977 Cadillac Eldorado Electrical Connector at Advance Auto Parts is around $13.52, with a range that starts at $12.99 and goes up to $13.79. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Engine Oil Pressure Switch start at just $12.99 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 Driving Safety Monitoring System Parts. At Advance Auto Parts, we’re here to help you keep your 1977 Cadillac Eldorado in peak condition, inside and out.

Essential 1977 Cadillac Eldorado Electrical Connectors

Carquest – Electrical Connector (Part No.PT5605)

Electrical Connector

from

$13.79
The Intermotor brand has built its reputation by engineering and distributing a full line of genuine import parts – parts that are unrivaled for quality, original look, fit, form & function, as well as coverage.

Product Features:
  • Offering hundreds of high-quality pigtails & sockets for nearly every electrical job
  • Utilizing high grade materials to ensure peak conductivity and perfect connections
  • Decades of industry leading research and development focused on meeting the technician’s needs
  • With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
See More

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
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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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Carquest Premium – Engine Oil Pressure Switch (Part No.SBA1041)

Engine Oil Pressure Switch

from

$19.99
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

Carquest – Engine Oil Pressure Switch (Part No.59A1023)

Engine Oil Pressure Switch

from

$38.99
Carquest 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

Carquest Premium – Engine Oil Pressure Switch (Part No.SBA3248)

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

Carquest – Engine Oil Pressure Switch (Part No.59A1021)

Engine Oil Pressure Switch

from

$11.49
Carquest 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

Carquest Premium – Engine Oil Pressure Switch (Part No.SBA1153)

Engine Oil Pressure Switch

from

$9.49
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

Carquest Premium – Engine Oil Pressure Switch (Part No.SAC5108)

Engine Oil Pressure Switch

from

$11.99
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.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured with high quality materials, industry-leading electronic components and strict quality controls
  • O-rings, seals or thread sealant are included if required
  • Extensive design validation testing and 100% end-of-line tested
See More

Carquest Premium – Engine Oil Pressure Switch (Part No.SBA1123)

Engine Oil Pressure Switch

from

$9.49
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

Carquest Premium – Engine Oil Pressure Switch (Part No.SBC1038)

Engine Oil Pressure Switch

from

$34.99
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.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured with high quality materials, industry-leading electronic components and strict quality controls
  • O-rings, seals or thread sealant are included if required
  • Extensive design validation testing and 100% end-of-line tested
See More

Carquest Premium – Engine Oil Pressure Switch (Part No.SAA4606)

Engine Oil Pressure Switch

from

$27.99
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

Carquest Premium – Engine Oil Pressure Switch (Part No.SBA3625)

Engine Oil Pressure Switch

from

$22.49
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest Premium – Engine Oil Pressure Switch (Part No.SBC1058)

Engine Oil Pressure Switch

from

$54.99
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.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured with high quality materials, industry-leading electronic components and strict quality controls
  • O-rings, seals or thread sealant are included if required
  • Extensive design validation testing and 100% end-of-line tested
See More

Carquest Premium – Engine Oil Pressure Switch (Part No.SAA4686)

Engine Oil Pressure Switch

from

$24.99
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

Carquest – Engine Oil Pressure Switch (Part No.59A1008)

Engine Oil Pressure Switch

from

$27.99
Carquest 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

Most Popular Fog Light Connector for 1977 Cadillac Eldorados

Enhance your 1977 Cadillac Eldorado with this popular Fog Light Connector we have in stock, for $13.79.

Carquest – Electrical Connector (Part No.PT5605)

Electrical Connector

from

$13.79
The Intermotor brand has built its reputation by engineering and distributing a full line of genuine import parts – parts that are unrivaled for quality, original look, fit, form & function, as well as coverage.

Product Features:
  • Offering hundreds of high-quality pigtails & sockets for nearly every electrical job
  • Utilizing high grade materials to ensure peak conductivity and perfect connections
  • Decades of industry leading research and development focused on meeting the technician’s needs
  • With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
See More

Best-Selling 1977 Cadillac Eldorado Oil Pressure Switch and Sender

Upgrade your Eldorado with our best-selling Oil Pressure Switch and Sender.

Carquest Premium – Engine Oil Pressure Switch (Part No.SBA3248)

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

FAQs for 1977 Cadillac Eldorado Electrical Connectors

What are the best-selling Electrical Connectors for 1977 Cadillac Eldorados?

Out of 2 Electrical Connectors that fit 1977 Cadillac Eldorados, the following parts are the top sellers:

What’s the price range for 1977 Cadillac Eldorado Electrical Connectors?

The prices of Electrical Connectors for the 1977 Cadillac Eldorado range from $12.99 up to $13.79 for the most premium parts.

What is the average price of an Electrical Connector for a 1977 Cadillac Eldorado?

The average price for Electrical Connectors for the 1977 Cadillac Eldorado is $13.52. 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 Eldorado model years?

Yes, we carry Electrical Connectors for 44 model years of Cadillac Eldorados between 1957 and 2002. The following model years are the most popular for Electrical Connector purchases: 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, and 1994.

What are the cheapest Electrical Connectors for my 1977 Cadillac Eldorado?

The cheapest 1977 Cadillac Eldorado Electrical Connectors we carry are:

Does Advance Auto Parts sell Electrical Connectors for any other 1977 Cadillac models?

Yes. We stock Electrical Connectors for 3 other popular 1977 Cadillac models. Some of the most popular are 1977 DeVille Electrical Connectors, 1977 Seville Electrical Connectors, 1977 Fleetwood Electrical Connectors, and 1977 Commercial Chassis Electrical Connectors.

What are the top-rated Electrical Connectors that fit the 1977 Cadillac Eldorado?

The one 1977 Cadillac Eldorado Electrical Connector we have in stock is the Engine Oil Pressure Switch. It costs $12.99.

What types of Electrical Connectors do you sell for my 1977 Cadillac Eldorado?

As of 11/2/25, these are some of the most in-demand types of Electrical Connectors for a 1977 Cadillac Eldorado:

Can I get help with 1977 Cadillac Eldorado 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 Eldorado Electrical Connectors?

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