How Long Does a Headlight Bulb Last?

With all of the different relays that are on a car, it can feel like a full-time job keeping up with them all. One of the most important safety features that a car has is properly working headlights. In some cars, the headlights fold down and are hidden from view then the car is turned off. In order for this type of system to work, the headlight closure relay will have to work properly. The relay shuts off the power to the headlight motor when the car is cut off, which then allows the lights to fold down. Every time the headlights of a car are used, the closure relay will have to work to maintain the flow of power that is needed.

The relays and switches on a car are designed to last the lifespan of the vehicle, but in some instances this is not the case. There are a variety of different things that can cause a relay to become unusable. Generally, the heat and the moisture that is produced by the engine begins to cause corrosion or rusting issues. Having rust or corrosion on the terminals of the relay can prohibit the connection that it is able to make.

If the relay is not getting a good connection, then it will be nearly impossible for the headlight closures to operate properly. In some cases, the reason why a relay will not work is due to internal issues with the wiring. Regardless of what is causing the issues with the headlight closure relay, getting it fixed in a hurry should be a top concern. Here are some of the warning signs that you may notice when it is time to replace this relay:

  • The doors on the headlights will not close when the power is shut off
  • The closure relay is only doing its job on occasion
  • The headlight doors will not open at all

Addressing this issue in a hurry will make it easy for you to maintain the functionality of your headlights. You don't want to be stuck with broken headlights. Letting professionals handle your headlight bulb replacement is your best course of action due to the large room for error that exists when trying to do it on your own.


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Marco

29 years of experience
164 reviews
Marco
29 years of experience
Scion tC L4-2.4L - Headlight Bulb Replacement (Driver Side Low Beam, Passenger Side Low Beam) - Riverside, California
Marcos was quick, friendly and professional. He explained what he did and what still needed to be done in a professional and understandable way.
BMW 330i - Headlight Bulb Replacement (Driver Side Low Beam, Passenger Side Low Beam) - Rancho Cucamonga, California
Marco was professional, courteous, with great attitude. Will judge his work performance later. So far so good .

Adam

17 years of experience
158 reviews
Adam
17 years of experience
Jeep Grand Cherokee V6-3.6L - Headlight Bulb Replacement (Driver Side Low Beam) - West Palm Beach, Florida
Always a great experience with Adam. He’s worked on my car several times now and he is knowledgeable, professional and timely.
Lexus IS350 - Headlight Bulb Replacement (Driver Side Low Beam, Passenger Side Low Beam) - Lake Worth, Florida
Great experience using Adam and YourMechanic for the first time. Adam was able to replace both headlight bulbs in a timely manner. Knowledgeable mechanic who I would not hesitate to use again. Great experience at the comfort of my own home. No more waiting around at dealerships for exorbitant prices and services.

Kevin

24 years of experience
449 reviews
Kevin
24 years of experience
Mercedes-Benz C300 V6-3.0L - Headlight Bulb Replacement (Passenger Side Low Beam) - Stone Mountain, Georgia
Kevin was on time, even early, completed the job quickly and seemed very experienced. I would recommend him again for my services.

Brian

24 years of experience
171 reviews
Brian
24 years of experience
Hyundai Elantra L4-2.0L - Headlight Bulb Replacement (Driver Side Low Beam) - Hanover, Pennsylvania
Brian informed me that there was an issue, other than the original situation, that would need work however, since it would require the vehicle to be on a lift, he would not be able to make that repair. He did however make the repairs that were originally requested.

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