Fiesta ST Switchback Front Turn LEDs! Major Front-End Upgrade! See Install Photos

At Diode Dynamics, we carry a full line of LED bulbs, including these unique dual-color switchback LEDs! Our HP24 is a brand new design, and the brightest available on the market, designed by our engineering team in St. Louis, Missouri. Your order will ship same day, and we're here if you need us for support and service. Every bulb carries with it a three-year limited warranty.


Your purchase includes two 3157-size turn signal bulbs, for perfect fitment in all Fiesta models.


Resistors, as mentioned in the video, are required to prevent hyperflash.




This includes a pair of front turn signal bulbs which are "switchback," a unique, specialty design. When this bulb is on as normal, with your parking lights or headlights, it shines a nice, pure white color. Anytime you activate the turn signals, it flashes bright amber. Two colors in one bulb, for an awesome lighting effect! They also won't produce an amber tint inside the housing when the bulb is off, for a much cleaner look!


LED Components. Diode Dynamics uses only the highest quality LED chips in the production of its bulbs. This means we use only brand-name suppliers, and we tightly control color temperatures with our in-house testing equipment. One sign of low-grade LEDs is a very blue color tone, or mismatched bulbs. Our LEDs will always be uniform in color, with bright whites, rather than sharp blues.


Design. Although LED technology allows for extremely long bulb life, the market is flooded with cheap, generic LED bulbs that fail prematurely due to inferior design and construction. Even bulbs from reputable suppliers are simply standard designs from Asia. They may work, but they are not designed with automotive circuits and applications in mind, so they will always fail within a few years of use.


At Diode Dynamics, we specialize only in lighting, so we have invested in developing quality products. Our engineering team designs bulbs to withstand the harsh automotive environments, both electrically and physically. Our bulbs will distribute light more evenly than standard "tower" designs, and they will last much longer than simple LEDs, powered by basic, cheap circuitry. By using advanced, LED-specific integrated regulation circuits in our bulbs, they are designed to last for years to come.


Off-brand, cheap bulbs also exhibit poor construction quality, as they are often hand-assembled. Quality control is often lax, as the poor construction really won't be noticeable until a bulb fails after only a few months of use. However, common visible problems include poor solder uniformity, high levels of flux in the solder, uneven chip placement, low-gauge terminal wires and terminal alignment, and bulbs held together with inferior adhesives. At best, solder joints will crack and fail on low-quality LEDs after a few weeks of use. In the worst case, these bulbs can damage housings as the extra flux and adhesive evaporates and creates a residue on the lens of the housing. Diode Dynamics bulbs will not exhibit these problems, as they are assembled with much more rigorous standards of quality control, with modern, computerized equipment, and only the best materials, to ensure the highest levels of quality and performance possible.


All Diode Dynamics products come with a 30-day satisfaction guarantee and a 3-year limited replacement warranty.






Questions? Feel free to ask here, PM, email [email protected] or call us: (314) 205-3033


*PM us for the free-shipping code* (U.S. forum members only)


Thank you!
Nick C.
Diode Dynamics
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