Cadillac DeVille Electronic Control Relay Replacement at your home or office.

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Electronic Control Relay Replacement Service

How much does a Electronic Control Relay Replacement cost?

On average, the cost for a Cadillac DeVille Electronic Control Relay Replacement is $141 with $46 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1969 Cadillac DeVilleV8-7.7LService typeElectronic Control Relay ReplacementEstimate$207.35Shop/Dealer Price$247.94 - $330.34
1994 Cadillac DeVilleV8-4.9LService typeElectronic Control Relay ReplacementEstimate$187.35Shop/Dealer Price$227.97 - $310.39
1999 Cadillac DeVilleV8-4.6LService typeElectronic Control Relay ReplacementEstimate$187.35Shop/Dealer Price$227.97 - $310.39
1989 Cadillac DeVilleV8-4.5LService typeElectronic Control Relay ReplacementEstimate$187.35Shop/Dealer Price$227.93 - $310.32
1962 Cadillac DeVilleV8-6.4LService typeElectronic Control Relay ReplacementEstimate$187.35Shop/Dealer Price$228.00 - $310.44
1966 Cadillac DeVilleV8-7.0LService typeElectronic Control Relay ReplacementEstimate$187.35Shop/Dealer Price$227.97 - $310.39
1995 Cadillac DeVilleV8-4.6LService typeElectronic Control Relay ReplacementEstimate$192.35Shop/Dealer Price$232.73 - $314.97
1971 Cadillac DeVilleV8-7.7LService typeElectronic Control Relay ReplacementEstimate$192.35Shop/Dealer Price$233.39 - $316.11
Show example Cadillac DeVille Electronic Control Relay Replacement prices

What is the Electronic Control Relay all about?

A wide range of electronic systems must work properly in order for the vehicle to operate. That means there is a need for several different controllers to ensure proper operation. One of the most important is the electronic control relay. You might be more familiar with the term “main relay” because of its role in vehicle performance.

The electronic control relay operates the fuel pump and sends power to the engine’s injectors. Without the main relay, fuel will not flow from the tank to the engine, and your injectors will not atomize gasoline into the combustion chamber. In short, your car wouldn’t run. Electronic control relays are subject to failure from a number of different problems, including outright failure, heat damage, cracked solder and more.

Keep in mind:

  • The electronic control relay may not operate, or may operate intermittently depending on the source of the trouble.
  • A number of other problems can masquerade as a main relay failure, so it’s vital that you have one of our expert mechanics diagnose the issue.

How it's done:

  • The electronic control relay is located and accessed then verified it needs replaced
  • The defective relay is removed from the vehicle
  • The new electronic relay is installed
  • The components that the electronic relay operates are checked for proper operation
  • The vehicle is road tested for proper operation

Our recommendation:

Traditional turnkey ignition the relay will click three times during the starting process. If you listen closely, you should hear a single click when you turn the ignition to “on”. You should hear another when the Check Engine light turns off. Finally, there should be a third click when you turn the key to the “start” position. If you do not hear a click at any of these three points, there may be a problem with the electronic control relay. Have one of our expert mechanics diagnose and replace the relay if required.

What common symptoms indicate you may need to replace the Electronic Control Relay?

  • Engine doesn’t start, especially in cold weather
  • Engine may not start a few minutes after turning it off
  • No sound from the fuel pump when the ignition key is turned to “On”

How important is this service?

Given the fact that the electronic control relay powers the fuel pump and your fuel injectors, it is essential to replace a faulty one. However, many other problems can present similar symptoms, so it’s very important to have the issue diagnosed by one of our expert mechanics.

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Meet some of our expert Cadillac mechanics

Real customer reviews from Cadillac owners like you.

Excellent Rating

(464)

Rating Summary
434
14
4
4
8
434
14
4
4
8

Terry

26 years of experience
326 reviews
Terry
26 years of experience
Cadillac DeVille V8-4.6L - Check Engine Light is on - Phoenix, Arizona
He got the diagnosis done quickly and informed us of the problems.

Jeffrey

27 years of experience
870 reviews
Jeffrey
27 years of experience
Cadillac DeVille V8-4.6L - Oil Change - Fort Mill, South Carolina
On time, got right to work, and knew exactly what he was doing. Highly recommended, and it saved a lot of money having my mechanic work at my location - wish I had known about this a long time ago - great for retirees or other folks with mobility issues. Thanks!

Brandon

18 years of experience
275 reviews
Brandon
18 years of experience
Cadillac DeVille V8-4.6L - Steering Rack/Gearbox - Lithonia, Georgia
Prompt, courteous and fast! Got the job done quick! Professional and knowledgeable! Thanks for a good experience!

Bryon

25 years of experience
3 reviews
Bryon
25 years of experience
Cadillac DeVille V8-4.5L - Lights (Headlamps/beams/brakes) - Arvada, Colorado
Bryon was very prompt. I have an electrical issue which is very difficult to determine where the problem is. Bryon would not quit until he found it. He's coming back tomorrow to install a new switch

Excellent Rating

(464)

Rating Summary
434
14
4
4
8
434
14
4
4
8
Number of Cadillac DeVille services completed
5104+
services done by our mechanics
TOTAL NUMBER OF EXPERT Cadillac MECHANICS
900+
experts on our platform

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