Why is light not working?

First check the bulb. Tighten the bulb if it is loose, then try the switch again. If a problem remains, be sure the switch is off, remove the bulb and substitute a new one. If the light does not work with a new bulb, check whether the circuit breaker or fuse governing the fixture has tripped or blown.

How do you fix a light socket that doesn’t work?

Socket tab If a new bulb doesn’t work, turn off the switch or pull the plug (turn off the power, that is), and try bending up the little metal tab inside the bulb socket. These can get pressed in so far that they no longer touch the bulb’s electrical contact.

Why is my dimmer switch not working?

A dimmer switch that is not working is often caused by a loss of power or a faulty dimmer. First, check to see if you have a tripped circuit breaker causing you to lose power in the room. Next, we need to check the dimmer. Dimmers operate at about 60°C (140°F), much warmer than standard switches.

Why do light sockets go bad?

By far the most common problem is a loose wire connection at the switch itself, which is subject to constant on-off usage. Less commonly, a light bulb socket may go bad. If so, you will need to replace the socket.

What to do when your lights don’t work?

Now that the easiest tests have failed, it’s time to focus on the wiring. If the fixture is a lamp with an in-line switch (the kind with a wheel or toggle inside a little plastic case that clamps onto the cord), fiddle around with the switch and listen for any buzzing or other abnormal sound when you turn the wheel.

What does it mean when your headlights don’t work?

With that in mind, it can be tremendously useful to start off by looking at whether both, or just one, of your headlights have failed, and whether or not the high or low beam mode still works. When headlights stop working, it’s usually an electrical problem or an physical issue with the bulbs themselves.

Why are the lights in my house not working?

10 Reasons Why Your Lights Don’t Work 1. Plug or wall switch. Not to suggest that you’re a dim bulb (pun intended), but have you made sure the fixture is… 2. Circuit breaker. Is anything else in the room failing to turn on? If so, check your service panel (breaker/fuse box)… 3. Light bulb. …

Why are the lights on my car not working?

Parking lights (2-4) show the dimensions of your car at night and may or may not be connected to your low beams. License plate lights (1-2) are used to illuminate your license plate. Hazard lights (4) are used when you need to indicate that your vehicle may present a road hazard. First of all, you will need to identify which lights are not working.

What should I do if my navigation lights are not working?

Next, go to the offending light fixture, remove the bulb, and examine it. If you’re working on exterior fixtures, such as navigation lights, be very careful not to drop any parts in the water as you disassemble the fixture. Once you’ve retrieved the bulb from its fixture, take a close look at it.

Why are the lights on my tester NOT working?

If the lights on the tester function properly, the problem is the trailer lights or harness and you need to some trailer lights troubleshooting. Clean the plug and socket with a special cleaner. If after you check the tow vehicle for problems the trailer lights still appear dim or aren’t lighting at all, clean the connector plug.