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AUXLIGHT 3157 Switchback LED Bulb Features and Performance Detail
- High Power LED: Each 3157 switchback led bulb is equipped 76 pieces 3014 and 3030 led chips for 360 degree light output, no dark spot.
- Dual Color Functions: The 3157 switchback led bulb has dual functions. Xenon white for parking lights/ DRL, amber yellow for turn signal lights.
- Much Easier to See: The upgraded 3157 switchback led turn signal flashes "amber-off-amber-off", which is more noticeable.
- Longer Lifespan: Adopt full aluminum housing, built in constant current IC driver for fast heat dissipation, lifespan up to 30,000 hours.
- Install In Minutes: Non-polarity design, plug and play, no need to cut and wires.
- Fit Sockets: 3157 3157A 3157NA 3157K 3157NAK 3157LL 3057 3057K 3057LL 3057X 3057KX 3047 3047K 3047LL 3155 3155LL 3357 3357K 3357LL 3457 3457A 3457AK 3757A 3757AK 4057 4057K 4057LL 4114 4114K 4114LL 4157 4157K 4157NA etc.
Warm Tips:
- The led switchback only works greatly based on the original bulb has dual function: turn signal lights& parking lights/DRL on one bulb.
- You may need to add a 50W 6-Ohm load resistors to prevent the hyper flash or system error, since led bulbs draw much less current than stock lamp.
- The filter system may not be 100% accurate. Please check your vehicles owner’s manual or the original bulb size before placing an order.
pato
Reviewed in the United States on March 22, 2025
Bien
Chris L.
Reviewed in the United States on September 16, 2024
These are really bright. Had em in for about a month and no complaints. Longevity of these is what people care about so I'll re-review when one eventually does. 5 stars for brightness and ease of installation
Robert
Reviewed in the United States on November 17, 2024
compared to the original bulbs way brighter.
Brittney Kugler
Reviewed in the United States on December 15, 2023
Plug and play has never been so easy. Pull out the old, throw in the new and turn on the headlights to see white drl lights where the amber use to be. Activate the turn signals and emergency blinkers to have the white drl turn off and blinking amber lights replace them. Love the much cleaner look with the all white light face of the truck. I do have hyperflash, but $10 in a new led compatible relay and that problem disappeares also.
Famousk1
Reviewed in the United States on September 10, 2022
So these LED lights will change from a white to a yellow when you put on your blinker. They're very bright and they make like a daytime driving light on my old 1990 mustang. However, the ones I had previously died. They only last two to three years and they've kind of croaked. So I'm hoping these will last longer because they're not as inexpensive as bulbs. However, they are brighter and they're two colors. So one for driving lights and the other color for a blinker which is cool. Very cool
Mike
Reviewed in the United States on February 7, 2021
ORIGINAL REVIEWThe design and shape of this bulb works great in my 2007 Chevy Silverado 2500HD classic. It's bright and works very well. At the time this bulb was the cheapest compared to other switch back led bulbs.UPDATE 3/8/21Noticed the running light (white led) was not working when the lights were on. Yellow turn signal works. Not sure when the bulb went out. Contacted the company and they will be sending me out a replacement pair.UPDATE 3/11/21Installed the replacement bulbs and everything is working again.UPDATE 3/15/21The white running light is out again on one bulb again. I tried flipping the bulb and switching sides. Bulbs running light is barely working like before. Yellow signals work fine. I contacted the company again.
Gurtaj
Reviewed in the United States on February 12, 2021
I wanted a bulb that work both for a day time running light and as a turn signal light and this fit perfectly for that. When driving normally these bulbs stay a solid white color, when you put your turn signal on it flashes an amber color and when the turn signal turns back off it goes back to the solid white. Both the colors are bright and crisp compared to normal bulbs. I’ve had them on the car for a few months now and they still work perfectly fine with no issues at all.
AZ__Shopper
Reviewed in the United States on December 5, 2020
I'm not sure why Amazon keeps rejecting my photos but these lights are awesome. They are a super bright white and almost act like they are got lights just mounted higher up and the amber signal is also very bright so others shouldn't have a problem seeing you. They changed the entire look of the front of my car. Easy to install and work great!
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