Guides & Tips

How to Choose the Right LED Bulb to Your Car

Why do people change the good old working incandescent bulbs to newfangled LEDs? We will discuss both the advantages and disadvantages of LEDs. It will be about all the bulbs of the car, except for the headlight and fog bulbs.

Why are LED bulbs so attractive? I quite often go to visit some authorized dealers in the repair area, and there, I can see some people come to upgrade or change auto parts of their vehicle. Well, many motorists use 194 led bulb to change the original halogen bulb in the front position lights, interior lights, license plate lights, and many more. The seller of LED bulbs advertises a completely crazy life cycle, up to 50,000 hours. In the hope of an increased resource, many car owners also change bulbs to LEDs.

In general, the global auto industry is gradually moving to LED light sources. The instrument cluster illumination and fault indicators on LEDs appeared in the last century. In this century, there are already mass-produced cars with all light sources working on LED technology (light-emitting LED – light-emitting LED). True, this trend has not yet reached the budget segment of cars. But owners of inexpensive or highly used cars try to stay in trend.

LED Bulb

In addition to the increased resource and fashionable appearance, LEDs also have other, not so obvious advantages:

  • in comparison with incandescent bulbs, a higher switching speed;
  • the brightness of the glow does not depend on the voltage (under certain conditions);
  • Significantly lower power consumption.

Now, first things first. So, the LED, as well as the incandescent bulb, is very sensitive to overvoltage. But if for ordinary bulbs no protection exists, then in high-quality LED bulbs, the so-called driver is used – a light bulb that limits the current and voltage on the LED.

A very good sign when choosing an LED bulb is the mark on the packaging about the bulb’s ability to operate at voltages typical of both passenger cars (12 V) and trucks (24 V). If it writes this way, it means that the driver included in the composition, and therefore the bulb will give a brightness that remains unchanged at a supply voltage of 9 to 14.8 V.

LED Bulb

Quick on / off is common to all LED bulbs. And this quality is very useful, for example, for brake lights. But in direction indicators, speed is not so important. When installing LED bulbs in the turn signals, it must remember that the low-power bulb does not like the cornering relay very much and therefore starts blinking at double the frequency, as if one of the bulbs in the circuit is malfunctioning.

For the correct operation of the LED bulbs of the turn signals, resistors connected in parallel and bringing the total resistance to the nominal value are necessary. This result is the only way to achieve an acceptable flashing frequency.

If you decide to change the rear lights of the car with LEDs, you should install a LED bulb in only one bulb first, for example, you install an1157 led bulb in rear turn signal light, and leave the other incandescent light bulbs in original. Turn on the bulbs and see if all the bulbs (including the new led bulb) work correctly.

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