When it comes to automotive troubleshooting, a test light is an essential tool. There are many different types of automotive test lights available on the market, so it can be difficult to decide which one is right for you. In this blog post, we’ll discuss the best automotive test lights and what to look out for when buying one. We’ll also describe exactly what an automotive test light is and how it works. Finally, we’ll give you some tips on how to use an automotive test light effectively for those who may not be as experienced.
Let’s take a look!
What is an automotive test light?
An automotive test light is a simple yet essential tool that every car owner should have in their arsenal. As the name suggests, test lights are used to help diagnose electrical problems with your vehicle. They work by providing a visual indication of whether or not there is power flowing through a given circuit. Test lights can come in handy in a number of situations, like when you’re trying to figure out why your headlights aren’t working or why your car won’t start.
There are two main types of test lights: incandescent and LED. Incandescent test lights use a filament that glows when it comes into contact with an electrical current. LED test lights, on the other hand, use a light-emitting diode that produces a bright light when activated. Both types of test lights are effective, but many mechanics prefer to use LED test lights because they tend to be more durable and easier to see in direct sunlight.
LED Vs Incandescent – Which is Best?
There are pros and cons to both types of test lights. Incandescent test lamps are cheaper and easier to find, but tend to be less reliable. LED test lights, on the other hand, are more expensive but offer several advantages over incandescent bulbs. For one thing, LED test lights are much more durable and can withstand being dropped or knocked over. They also provide a brighter light, which makes them easier to use in dark areas.
Ultimately it comes down to personal preference as to what type of test light you prefer.
How do automotive test lights work?
Test lights work by completing the circuit between the ground and the power source. This allows current to flow through the tester and into the lamp. If the bulb lights up, you know that power is flowing through the circuit. If the bulb doesn’t light up, you know there’s a problem with the circuit. Automotive test lights are a quick and easy way to diagnose electrical problems without having to resort to more complicated methods.
Why do I need an automotive test light?
As we mentioned earlier, test lights can be a useful diagnostic tool when trying to figure out why an electrical component in your vehicle isn’t working. However, they can also be used for other purposes such as testing fuses or checking for short circuits. No matter what your purpose for using one is, an automotive test light can save you a lot of time and hassle.
What to Consider When Choosing an Automotive Test Light
When considering which automotive test light to buy, there are a few key factors you should take into account. Cable length is important to ensure you can easily reach all areas of your car. The LED indicator and its brightness are also crucial so that you can clearly see the state of your car’s electrical system.
Safety features such as clip size and operating voltage range are also important considerations. By taking all of these factors into account, you can be confident that you choose the right automotive test light for your needs.
It’s important to consider the length of the cable because you need to be able to easily reach all areas of the car. A longer cable means you won’t have to move the light as much, which can save you time and effort.
LED indicator and brightness
The LED indicator is important so that you can clearly see the state of your car’s electrical system. A brighter LED means you’ll be able to see the status more easily, even in dim lighting conditions.
Clip size and operating voltage range are two important safety features to consider when choosing an automotive test light. A larger clip size means the light is less likely to fall out, and a wider operating voltage range means the light can be used in many types of cars.
By taking all of these factors into account, you can be confident that you choose the right automotive test light for your needs. With the right light, you’ll be able to easily diagnose any electrical issues with your car and get it back on the road in no time.
What are the best automotive test lights?
There are many different automotive test lights available on the market. So which one should you choose? Here’s a list of the best automotive test lights, based on our findings.
Choose 1) – AWBLIN automotive test light
- √ Wider range from 3-60Vdc
- √ Lighting
- √ Needle guard anti-lost protection
- √ LED indication, two-way voltage test
- √ Backlit LCD digital display
- √ IP66 waterproof
- √ Secure computer
- √ 142″ extended spring wire
Choose 2) – Justin JTCVT-01B
- Measuring range: DC 3-48v
- Resolution rate: 0.1V
- Voltage accuracy: ±0.2V
- Display: LCD digital display
- Probe: Sharp stainless steel
- Test Wire: Maximum 140 inches
Choose 3) – Katzco Voltage and Current Continuity Tester
- The light on the handle indicates when the circuit is good
- Ideal for voltage regulators, fuses, switches, broken wires, mechanics, electricians and more
- Extra-large 50 cable increases flexibility, reach and freedom when testing
How to use an automotive test light?
When using a test light, always start with the engine off and the key out of the ignition. This will prevent you from accidentally energizing circuits and causing short circuits. Also, be sure to unplug any aftermarket accessories such as radios or GPS units that may be plugged into your cigarette lighter or other electrical outlets.
After disconnecting all accessories, locate the battery and remove the cable from the negative (-) terminal. This will prevent your test light from grounding to the chassis and creating sparks or a fire hazard.
Then locate the circuit you want to test and identify a good ground point🇧🇷 A good grounding point is usually a bare metal surface that is not painted or coated. Once you find a good ground point, attach the alligator clip from your test light to the ground point. Then touch the test light lead to the positive (+) terminal of the circuit you are testing. If the circuit is working properly, the test light should come on. If the test light does not come on, there is a break in the circuit and further diagnostics will be required.
Remember that some circuits may have more than one ground point. In these cases, it’s best to attach your test light’s alligator clip to each ground point individually, then touch the test light’s tip to the positive (+) terminal of the circuit you’re testing. This will help you determine which ground point is causing a circuit problem.
Finally, always remember to reconnect the negative (-) terminal cable to the battery when you are finished testing. This will prevent your car from accidentally draining its battery while you are working on it.
Following these simple tips will help you use a test light effectively and safely. With a little practice, you’ll be able to diagnose electrical problems like a pro!