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Lexus IS300 Tail Lights

Common Problems of Lexus IS300 Tail Lights

Your Lexus IS300 tail lights are some of the most useful safety components in your vehicle. However, constant use of your tail lights coupled with a few kinks in your car's electrical system will eventually cause it to fail. Unless you want to risk getting a traffic violation, you have to act fast if your tail lights fail. Here are some of the most common causes behind faulty Lexus IS300 tail lights:

Blown left or right tail light

If your car's tail light is non-functional on only one side, then it is very likely due to a bulb that has completely burned out. Take out the bulb from the faulty tail light and check if it is really damaged. In some cases, a corroded bulb socket can also be the reason behind the blown tail light. If replacing the bulb and the socket doesn't work, you can also try checking for an open circuit in the wiring. Use a digital ohmmeter or a digital multimeter to test for continuity between the wires and the light itself and look out for an open circuit or no circuit reading.

Both tail lights not working

Faulty or loose wiring connections are some of the most common culprits behind two non-working tail lights. Examine your wiring system and tighten any loose connections. You can also check the fuse of your tail lights, since a blown fuse is also likely to cause both of your tail lights to fail. Replace your defective fuse immediately to restore the functionality of your tail lights.

Other things to consider

Rust is a major cause of damage for both your tail lights' bulbs and wiring connections, so be sure to check for rusting issues on both components. It would also be advisable to identify why moisture is seeping into these areas, so look for cracked tail light senses and some sort of leakage around the wires. Remember that replacing the blown bulb on your tail lights might resolve the problem temporarily, but it will only burn out again if the root cause of your tail lights' failure is not resolved.

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  • How to Maintain Your Lexus IS300 Tail Lights 27 February 2013

    When you are driving through the night, fog, rain, or snow, your Lexus IS3000 tail lights can spell the difference between life and death. Busted tail lights will not only get you a ticket for violating traffic rules, but they will also increase your risk of getting into an accident. Make sure that you have the protection of fully functional tail lights by following these few simple tips:


    Keep your tail lights spic and span.


    Keeping your tail lights clean on the outside is easy enough to do, but keeping them just as clean on the inside can be more of a challenge. Since your tail lights are regularly exposed to moisture, it's only a matter of time for this condensation to seep into the interior of your tail light lenses. This condensation then becomes a buildup of dirt and grime and makes your tail lights look much dimmer. To avoid this issue, regularly clean your tail lights inside out and remove the buildup of dirt with some degreaser.


    Regularly check your bulb sockets for corrosion.


    Since the inside of your tail light lenses are not immune to moisture, you should also check your bulb sockets for signs of rusting. Examine the bulb sockets whenever you replace your tail light bulbs and replace them when they are already corroded. Cleaning the bulb sockets with a piece of cloth or a wire brush before installing your new bulbs will help prolong its life.


    Secure your wiring connections.


    With all the vibration that your tail lights are subjected to, it's not too surprising that your tail lights' wirings can sometimes become loose. If you notice that your tail lights have been working intermittently, check for a loose or corroded connector or ground wire in your tail light assembly.


    Repair or replace crack lenses immediately.


    To avoid tail light damage caused by condensation inside the lenses, you should always examine your tail light lenses for cracks and holes. You can also apply some clear silicone on the meeting points of the lenses and the housing to ensure that as little moisture as possible can pass through your tail light lenses.