1991 Cadillac Eldorado Transmission Electrical Parts

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Keep Your 1991 Cadillac Eldorado in Top Shape with Quality Transmission Electrical Parts

Whether you’re repairing or upgrading your Transmission Electrical Part, using high-quality parts is key to keeping your 1991 Cadillac Eldorado looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Automatic Transmission Shift Lock Relays, Automatic Transmission Wiring Harness Connectors, and Automatic Transmission Spark Control Relay. 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 1991 Cadillac Eldorado Transmission Electrical Part at Advance Auto Parts is around $58.49, with a range that starts at $17.99 and goes up to $121.99. With 4 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Carquest Multi-Purpose Relay, 83A1002, Carquest Multi-Purpose Relay, RAA1234, and Carquest Automatic Transmission Speed Sensor, SBA3728 start at just $17.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Transmission Electrical Part, don’t forget to check out other key components like Torque Converter and Related Products and Transmission Cooler and Parts. At Advance Auto Parts, we’re here to help you keep your 1991 Cadillac Eldorado in peak condition, inside and out.

Essential 1991 Cadillac Eldorado Transmission Electrical Parts

Carquest Premium – Carquest Multi-Purpose Relay, RAA1234 (Part No.RAA1234)

Carquest Multi-Purpose Relay, RAA1234

from

$17.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.
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ATP – ATP Automatic Transmission Elect Harness Vss Repair, JE-26 (Part No.JE-26)

ATP Automatic Transmission Elect Harness Vss Repair, JE-26

from

$121.99
ATP Automatic Transmission Elect Harness Vss Repair, JE-26.
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Carquest – Carquest Multi-Purpose Relay, 83A1002 (Part No.83A1002)

Carquest Multi-Purpose Relay, 83A1002

from

$17.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.
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Carquest Premium – Carquest Multi-Use Connector, PTA2546 (Part No.PTA2546)

Carquest Multi-Use Connector, PTA2546

from

$35.99
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 Automatic Transmission Speed Sensor, SBA3728 (Part No.SBA3728)

Carquest Automatic Transmission Speed Sensor, SBA3728

from

$75.99
Carquest Premium vehicle speed sensors are designed to perform in harsh environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium vehicle speed sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each vehicle speed sensor undergoes extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium speed sensors 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 Automatic Transmission Speed Sensor, SNA1501 (Part No.SNA1501)

Carquest Automatic Transmission Speed Sensor, SNA1501

from

$59.99
Carquest Premium vehicle speed sensors are designed to perform in harsh environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium vehicle speed sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each vehicle speed sensor undergoes extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium speed sensors 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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Most Popular Automatic Transmission Shift Lock Relay for 1991 Cadillac Eldorados

Enhance your 1991 Cadillac Eldorado with this popular Automatic Transmission Shift Lock Relay we have in stock, for $17.99.

Carquest – Carquest Multi-Purpose Relay, 83A1002 (Part No.83A1002)

Carquest Multi-Purpose Relay, 83A1002

from

$17.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.
See More

Best-Selling 1991 Cadillac Eldorado Automatic Transmission Wiring Harness Connector

Upgrade your Eldorado with our best-selling Automatic Transmission Wiring Harness Connector.

ATP – ATP Automatic Transmission Elect Harness Vss Repair, JE-26 (Part No.JE-26)

ATP Automatic Transmission Elect Harness Vss Repair, JE-26

from

$121.99
ATP Automatic Transmission Elect Harness Vss Repair, JE-26.
See More

Top-Quality Automatic Transmission Spark Control Relay for 1991 Cadillac Eldorados

Choose a high-quality OEM or aftermarket Automatic Transmission Spark Control Relay for Cadillac Eldorados and enjoy top-notch performance from $17.99.

Carquest Premium – Carquest Multi-Purpose Relay, RAA1234 (Part No.RAA1234)

Carquest Multi-Purpose Relay, RAA1234

from

$17.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.
See More

Our Top Pick for a 1991 Cadillac Eldorado Transmission Speed Sensor

Invest in a durable Transmission Speed Sensor for your 1991 Cadillac, knowing you’re getting trusted brands and expert craftsmanship.

Carquest Premium – Carquest Automatic Transmission Speed Sensor, SBA3728 (Part No.SBA3728)

Carquest Automatic Transmission Speed Sensor, SBA3728

from

$75.99
Carquest Premium vehicle speed sensors are designed to perform in harsh environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium vehicle speed sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Each vehicle speed sensor undergoes extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium speed sensors 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.
See More

FAQs for 1991 Cadillac Eldorado Transmission Electrical Parts

What are the best-selling Transmission Electrical Parts for 1991 Cadillac Eldorados?

Out of 4 Transmission Electrical Parts that fit 1991 Cadillac Eldorados, the following parts are the top sellers:

What’s the price range for 1991 Cadillac Eldorado Transmission Electrical Parts?

The prices of Transmission Electrical Parts for the 1991 Cadillac Eldorado range from $17.99 up to $121.99 for the most premium parts.

What is the average price of a Transmission Electrical Part for a 1991 Cadillac Eldorado?

The average price for Transmission Electrical Parts for the 1991 Cadillac Eldorado is $58.49. Keep in mind the variety of part types within our Transmission Electrical Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Transmission Electrical Parts for other Cadillac Eldorado model years?

Yes, we carry Transmission Electrical Parts for 21 model years of Cadillac Eldorados between 1980 and 2002. The following model years are the most popular for Transmission Electrical Part purchases: 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, and 1994.

What are the cheapest Transmission Electrical Parts for my 1991 Cadillac Eldorado?

The cheapest 1991 Cadillac Eldorado Transmission Electrical Parts we carry are:

Does Advance Auto Parts sell Transmission Electrical Parts for any other 1991 Cadillac models?

What types of Transmission Electrical Parts do you sell for my 1991 Cadillac Eldorado?

As of 8/2/26, these are some of the most in-demand types of Transmission Electrical Parts for a 1991 Cadillac Eldorado:

Can I get help with 1991 Cadillac Eldorado Transmission Electrical Part orders?

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

What is your return policy for Cadillac Eldorado Transmission Electrical Parts?

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