T3 1157 LED Bulb Switchback Built In Resistor Front Turn Signal CANBUS Error Free BAY15D P21/5W DRL Parking Light Anti Hyper Flash
Installation Position: Front Turn Signal Light
Wattage: 24W/bulb(max)
Lumens: 2000LM/bulb(max)
Color: Bright Amber & Dim White / Bright Amber & Dim Amber
LED Chips: 20pcs 3030 high-intensity LED Chips
Socket: standard socket
2023 Upgraded Switchback LED Turn Signal Bulbs -T3 Series 1157
SEKO T series 1157 switchback LED bulbs are specially made for front turn signal lights, two colors, amber and white, high brightness, and a built-in canbus decoder, no extra harness or load-resistors needed, plug and play, it's very convenient to replace the stock halogen turn signal light bulbs. Lots of people have got SEKO T series LED bulbs and most of them are satisfied with their performance. T series LED bulbs are not perfectly compatible with some vehicles or can't work stably on some specific models and caused error code or hyper flash. SEKO always deeply cares about user experience and has upgraded T series based on customers' feedback.

What are T3 Series LED Turn Signal Lights?
Upgraded Can-Bus Decoder System
The most annoying thing for users is that compatibility problems such as dashboard errors, hyper flash, or working stably for a couple of minutes then starting hyper flash, frequently occur after replacing LED turn signals with LED bulbs. The built-in canbus decoder of T3 series LED bulbs increases the wattage to match the OEM computer inspection system and prolongs the decoding time, no error code, and you don't worry about hyper flash after working for a few minutes.
Built-in Intelligent Temperature-Control System
Excellent Intelligent Temperature Control system will protect bulbs against excessive current and overheating and ensure a longer lifespan.Safety Protection
While other LED bulbs on the market have sacrificed heat dissipation due to their small size, SEKO has listened to user feedback regarding bulb lifespan and focused on developing T-series. These LED bulbs utilize smart IC chips and fuses, as well as aviation-grade aluminum for superior heat dissipation. Additionally, a built-in thermal insulation layer further enhances heat dissipation performance to provide a longer lifespan for the bulb.

Anti Hyper Flash
- Upgraded built-in resistor design work with 99% of vehicle's computer system without error.
- Longer Decoding time, stop worry about the hyperflash.
3030 High Grade LED
- 48W 4000LM lighting, produce softer amber for every turn, prevent flashing to the side of passers-by.
- Full 360-degree illumination
Dual Protection
- Intelligent Temperature Control System(ITCS), prevent overheating.
- Smart IC driver and Load MINI fuses prevent the instantaneous high current
Switchback Light Output
- 500% brighter than halogen.
- Amber for Front Turn.
- Cool White for DRL Parking Light. Better style with the beautiful colors when driving!



SEKO is a headlight manufacturer with fifteen years of OEM/ODM serving hundreds of automobile manufacturers and headlight modification factories around the world. With professional design and production team, SEKO can provide products that meet the specifications and standards according to customers' requirements, thus guaranteeing the high quality and qualification rate of the products. In addition, SEKO can also provide on-time delivery guarantee to ensure that customers can get the products they need on time. In terms of product design, SEKO is constantly innovating and adopting the most advanced technology to develop the most competitive products. We are looking forward to establishing a long term relationship with you, welcome to order our products.
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