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Why Are Your LED Turn Signals Blinking Too Fast And How Do You Fix It?
Posted on July 10, 2012
As you know, LED lighting draws much less power and last way longer than standard incandescent lighting that comes stock with most vehicles. Although the reduced draw of LEDs has advantages, replacement of turn signal bulbs with LEDS will cause what is called hyperflashing. Hyperflashing is when the turn signals blink faster than your stock incandescent did. This happens because your new LED bulbs draw such little power and your turn signal relay sees the bulbs as being out.
So how do I fix my vehicle's turn signal when they blink too fast or hyperflash?
There are several strategies you can implement to fix this issue.
The easiest method to fix hyperflashing is install an LED flasher module (above) specifically designed for LED bulbs. These modules are economically priced at anywhere from $8.95-$12.95 and are usually simple to install. In most cases these flasher units are little circular or square boxes with metal prongs sticking out one side that simply plug into where your stock flasher went. Our LED flashers function with both LED and incandescent bulbs so even if you have LED turn signals in the back, and incandescents still in the front, you can use our LED flasher modules with no problems. Before you order, compare the pin diagram of the stock flasher with the pin diagram of our flashers on our website.
The second option is a bit trickier to install (its not simply a plug in option) because there is some wiring involved however it can accomplish the same goal as the a flasher. Through the use of a Load Resistor Kit, (pictured above) an LED bulb blinking too fast can be slowed back down to it's normal blinking rate. These resistors are to be installed in parallel (tied to positive and negative) for each LED bulb. A detailed printable installation guide can be downloaded here: How to install an LED Load Resistor.
(Update) - We now offer CAN Bus LED bulbs. These are simple plug and play units which feature built-in load resistors to allow them to be used with CAN(Controller Area Network) Bus equipped vehicles without triggering the OBC (on-board computer), commonly found in European vehicles such as BMW, Audi, Mercedes, Volkswagen, Porsches. CAN Bus bulbs should not be used in non CAN Bus applications
Posted In Tutorials | Tagged LED, Turn, Signals, Blinking, Too, Fast
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