{"product_id":"auxbeam-b1b-series-3157-switchback-led-bulbs-400-brighter-drl-turn-signals","title":"Auxbeam B1B Series 3157 Switchback LED Bulbs – 400% Brighter DRL \u0026 Turn Signals","description":"\u003ch3\u003eEnhanced visibility with dual-color switchback lighting\u003c\/h3\u003e\n\u003cp\u003eUpgrade your vehicle’s lighting with the Auxbeam B1B Series 3157 Switchback LED Bulbs. Engineered for quick, confident signaling and daytime illumination, these bulbs combine white DRL parking light with amber front turn signals. Expect instant-on brightness, crisp color separation, and a modern, cohesive look that enhances daytime presence without sacrificing signal clarity.\u003c\/p\u003e\n\u003cp\u003eDesigned to meet real-world driving needs, the B1B bulbs deliver notable performance without demanding a complete vehicle rethink. The amber signal is designed to be highly visible in daylight, while the white DRL helps keep your vehicle easily seen. In practice, drivers often notice faster recognition from oncoming traffic and pedestrians, especially in urban environments or at dusk.\u003c\/p\u003e\n\u003cp\u003eTwo core features work together to create a practical, versatile upgrade. First, the switchback capability ensures the same bulb serves as both daytime running light and front turn signal, reducing clutter and keeping wiring simple. Second, a dedicated white light remains active during signaling to prevent total darkness as signals flash, aiding consistent illumination during transitions.\u003c\/p\u003e\n\u003cp\u003eWhat this means for you in everyday use is straightforward: a brighter, more noticeable light profile that adapts to different driving situations. The combination of white DRL and amber signal is designed to deliver a balanced, modern look and improved visibility, without requiring overhauls to your vehicle’s electrical system. Real-world driving can feel more confident when lighting changes are seamless and purposeful, and these bulbs aim to provide that sense of clarity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey benefits at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExtremely bright output with 22 x 2835 SMD chips per bulb for efficient lighting.\u003c\/li\u003e\n  \u003cli\u003eDual-color operation: white DRL parking light plus amber front turn signal.\u003c\/li\u003e\n  \u003cli\u003e360° clear beam with HD lens for broad, even illumination.\u003c\/li\u003e\n  \u003cli\u003eIP68 waterproof and dustproof housing for all-weather reliability.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in temperature control and upgraded aluminum body for cooler operation and longer life (up to 40,000 hours).\u003c\/li\u003e\n  \u003cli\u003eIncludes 50W 6Ω load resistors to help prevent hyper flashing on many vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat’s in the box\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2x B1B 3157 switchback bulbs\u003c\/li\u003e\n  \u003cli\u003e2x 50W 6Ω load resistors\u003c\/li\u003e\n  \u003cli\u003e1x User manual\u003c\/li\u003e\n  \u003cli\u003e4x tapes\u003c\/li\u003e\n  \u003cli\u003e4x screws\u003c\/li\u003e\n  \u003cli\u003e4x clips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompatibility is broad: the bulbs fit standard 3157 sockets (including 3157A, 3157NA, 3357, 3457, 3457A, 4157, and similar variants). The plug-and-play design helps you swap bulbs with minimal downtime, and a note on polarity can assist if a bulb doesn’t light immediately after installation. While results vary by vehicle, many drivers report improved daytime visibility and more noticeable signaling with these switchback LEDs.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What colors do the Auxbeam B1B 3157 Switchback bulbs provide, and how do they work?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They switch between white DRL parking light and amber turn signal, enabling dual-color operation for daytime visibility and signaling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need extra resistors, and what is included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The package includes 50W, 6-ohm load resistors to reduce hyper flashing on many vehicles, plus bulbs, a manual, tapes, screws, and clips.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Auxbeam","offers":[{"title":"Default Title","offer_id":42469801820245,"sku":"B0FCS2ZY1Y","price":38.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/auxbeam-b1b-3157-switchback-amber-white.jpg?v=1778107659","url":"https:\/\/plentytorque.co.uk\/products\/auxbeam-b1b-series-3157-switchback-led-bulbs-400-brighter-drl-turn-signals","provider":"PlentyTorque","version":"1.0","type":"link"}