{"product_id":"backup-leds-for-2015-2017-ford-f-150-pair-copy","title":"Backup LED Replacement Bulbs for 2015–2017 Ford F-150 | 3156 \/ 3157 White, Plug \u0026 Play | 500LM Output (PAIR)","description":"\u003ch2 dir=\"ltr\"\u003eWhy These \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca rel=\"noopener\" title=\"the-future-of-car-lighting-why-3157-led-bulbs-are-leading-the-way\" href=\"https:\/\/undergroundlighting.com\/blogs\/headlight\/the-future-of-car-lighting-why-3157-led-bulbs-are-leading-the-way\" style=\"color: rgb(43, 0, 255);\" target=\"_blank\"\u003e3157 Backup LED Bulbs\u003c\/a\u003e \u003c\/span\u003eBeat Everything Else\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e- Stock incandescent bulbs produce weak output and uneven light distribution. Low lumen intensity reduces rear visibility, making it harder to detect obstacles, curbs, and pedestrians.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"padding-left: 40px;\" role=\"presentation\" dir=\"ltr\"\u003eThe \u003cstrong\u003emeasured 500-lumen output provides stronger illumination than stock bulbs,\u003c\/strong\u003e improving clarity behind the vehicle. This increases reaction time and reversing accuracy in low-light conditions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cstrong\u003e- 4-side illumination\u003c\/strong\u003e with 12× 3030 SMD LEDs and a top-mounted \u003cstrong\u003ehigh-power chip creates a balanced light spread\u003c\/strong\u003e. The projector lens focuses light directly backward, improving usable brightness.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e- Many LED ratings are calculated estimates. Verified 500-lumen output ensures accurate performance, allowing reliable comparison and predictable real-world visibility improvements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e- Poor heat management damages LED chips. The full aluminium housing and upgraded circuit board \u003cstrong\u003eenhance heat dissipation, protecting components and ensuring consistent brightness over time.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca style=\"color: rgb(43, 0, 255);\" title=\"3156-3157-led-bulbs\" href=\"https:\/\/undergroundlighting.com\/collections\/3156-3157-led-bulbs\"\u003e- 3156\/3157 \u003c\/a\u003e\u003c\/span\u003ebase with non-polar design installs directly into factory sockets. N\u003cstrong\u003eo wiring or modifications required, ensuring quick installation\u003c\/strong\u003e and immediate operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e- Upgraded aluminum circuit board improves thermal control and chip protection, \u003cstrong\u003epreventing flickering and failure \u003c\/strong\u003ewhile ensuring\u003cstrong\u003e long-term durability\u003c\/strong\u003e under normal use conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease Note: 3157 CAN REPLACE 3156, BUT 3156 CANNOT REPLACE 3157. Explore our full collection of \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca rel=\"noopener\" title=\"LED Bulbs Collection\" href=\"https:\/\/undergroundlighting.com\/collections\/leds\" style=\"color: rgb(43, 0, 255);\" target=\"_blank\"\u003eLEDs\u003c\/a\u003e\u003c\/span\u003e, \u003ca title=\"3156-3157-led-bulbs\" href=\"https:\/\/undergroundlighting.com\/collections\/3156-3157-led-bulbs\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e3157 Bulbs\u003c\/span\u003e \u003c\/a\u003eand \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca title=\"led-reverse-backup-lights\" href=\"https:\/\/undergroundlighting.com\/collections\/led-reverse-backup-lights\" style=\"color: rgb(43, 0, 255);\"\u003eReverse lighting \u003c\/a\u003e\u003c\/span\u003eoptions!\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Underground Lighting","offers":[{"title":"Default Title","offer_id":51897161810240,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/2094\/products\/31563157-backup-led-bulbs-pair-3156-3157-normal-leds-underground-lighting-911.jpg?v=1765632649","url":"https:\/\/undergroundlighting.com\/products\/backup-leds-for-2015-2017-ford-f-150-pair-copy","provider":"Underground Lighting","version":"1.0","type":"link"}