{"product_id":"lucas-lighting-m-1157sb-1157-switchback-led-bulbs","title":"M-1157SB Lucas Lighting 1157 High Output CANBUS LED Bulbs Switchback White\/Amber – Pair","description":"\u003ch2 class=\"isSelectedEnd\"\u003e\u003cspan\u003e\u003cmeta charset=\"UTF-8\"\u003eLucas Lighting M-1157SB 1157 Switchback High Output CANBUS LED Bulbs – Pair\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUpgrade your factory 1157-style front marker and turn-signal bulbs with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLucas Lighting M-1157SB Switchback High Output CANBUS LED Bulbs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe M-1157SB is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etwo-mode switchback LED bulb\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e designed for front marker and turn-signal applications. During normal operation, the bulb provides a lower-output constant-on light. When the turn signal is activated, it switches to a higher-output amber safety signal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e \u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e \u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cstrong\u003e\u003cspan\u003eLucas Lighting M-1157SB\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e switchback LED bulb\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003e1157-style direct replacement\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eTwo-mode LED operation\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eLower-output white constant-on mode\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eHigher-output amber turn-signal mode\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eSwitchback design for front marker\/turn-signal applications\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eHigh-output LED technology\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eAdvanced CANBUS technology\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eDesigned to help prevent bulb-out warnings\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eDesigned to help prevent fast-blinking issues\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eOptimized LED positioning\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eLED chipsets positioned close to original filament location\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eDirect replacement design\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eSold as a pair\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eSwitchback LED Technology\u003c\/span\u003e\u003c\/a\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eThe M-1157SB provides two distinct operating modes from a single bulb.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cstrong\u003e\u003cspan\u003eConstant-On Mode:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe bulb operates at a lower white output for the vehicle's normal front marker or parking-light function.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cstrong\u003e\u003cspan\u003eTurn-Signal Mode:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eWhen the turn signal is activated, the bulb switches to its higher-output amber safety mode, creating a more noticeable turn-signal indication.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eThis two-stage operation allows one bulb to perform both the normal marker-light and turn-signal functions without requiring separate bulbs.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003e1157 Switchback for Front Turn Signals\u003c\/span\u003e\u003c\/a\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eThe M-1157SB is specifically designed for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003efront marker and turn-signal applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e where a switchback bulb is required.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eCommon applications include:\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eFront turn signals\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eFront parking\/marker lights\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eDual-function marker and turn-signal locations\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eCompatible 1157-style switchback applications\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eAlways verify your vehicle's factory bulb configuration and required lighting behavior before ordering.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eOptimized LED Light Source\u003c\/span\u003e\u003c\/a\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eLucas Lighting designed the M-Series around the importance of proper light-source positioning inside the factory housing.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eThe M-1157SB uses fewer, higher-power LED chipsets positioned as closely as possible to the original halogen filament location. Maintaining a similar light-source position helps the factory reflector and lens work with the LED bulb more effectively.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eThis design approach makes the M-1157SB more than simply a high-output LED conversion—it is engineered with the factory housing's light pattern in mind.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eAdvanced CANBUS Technology\u003c\/span\u003e\u003c\/a\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eLED bulbs can sometimes cause electrical compatibility problems because the vehicle's lighting system was designed around the electrical characteristics of a halogen bulb.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003ePotential issues can include:\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eBulb-out warnings\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eFast blinking\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eTurn-signal compatibility problems\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eThe M-1157SB incorporates Lucas Lighting's newest CANBUS technology and is designed for compatibility with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003egreater than 90% of vehicles without bulb-out errors or fast-blinking issues\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eBecause vehicle electrical systems vary, certain applications may still require additional components.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003e1157 \/ BAY15D Cross-Reference Compatibility\u003c\/span\u003e\u003c\/a\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eThe M-1157SB is compatible with a broad range of 1157-style and cross-reference bulb numbers, including:\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cstrong\u003e\u003cspan\u003e94, 1016, 1034, 1034LL, 1142, 1157, 1157ALL, 1157LL, 1157ST, 1178A, 1196, 2057, 2057A, 2057ALL, 2057LL, 2057ST, 2357A, 2357ALL, 2357LL, 2357NA, 2397, 2397LL, 3496, 3496LL, 7528, 7528L, 7528LL and BAY15D.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eCross-reference numbers indicate compatible bulb styles and do not guarantee fitment for every vehicle. Verify the original bulb number and socket configuration before ordering.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eDirect Replacement Design\u003c\/span\u003e\u003c\/a\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eThe M-1157SB is designed as a direct replacement for compatible 1157-style bulbs.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eThe familiar \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBAY15D-style dual-contact base\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e allows the bulb to perform separate functions through the vehicle's existing wiring, just like the original dual-filament bulb.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eNo modification to the factory housing should be necessary when the vehicle uses a compatible 1157\/BAY15D configuration.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eQuick Specifications\u003c\/span\u003e\u003c\/a\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLucas Lighting\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSeries\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eM Series\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSKU\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eM-1157SB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBulb Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1157\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBase Style\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBAY15D\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLight Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSwitchback LED\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTechnology\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLED\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCANBUS\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutput\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh Output\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTwo-Mode\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConstant-On Function\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLower Output\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTurn-Signal Function\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigher Output\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePrimary Application\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFront Marker \/ Turn Signal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInstallation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDirect Replacement\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eQuantity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Bulbs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLED Design\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-Power LED Chipsets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLight Response\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eInstant-On\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eWhat's Included\u003c\/span\u003e\u003c\/a\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003e2 × Lucas Lighting M-1157SB Switchback LED Bulbs\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eImportant Fitment Information\u003c\/span\u003e\u003c\/a\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eBefore ordering, verify that your vehicle uses a compatible \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1157 \/ BAY15D-style dual-contact bulb\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and that the factory application is designed for a switchback bulb.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eThe M-1157SB is intended for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003efront marker\/turn-signal applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. It should not be assumed to be interchangeable with the red M-1157R or white M-1157W versions simply because all use the M-1157 platform.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eLucas lists numerous cross-reference bulb numbers, but a cross-reference does not guarantee vehicle fitment. Confirm the original bulb number, socket configuration and required lighting function before installation.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eCANBUS compatibility can also vary between vehicles. The M-1157SB is designed to minimize common LED conversion problems, but some vehicle-specific electrical systems may require additional components.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eFAQ\u003c\/span\u003e\u003c\/a\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eWhat is the Lucas M-1157SB?\u003c\/span\u003e\u003c\/a\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eThe M-1157SB is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eswitchback 1157 LED bulb\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e from Lucas Lighting's M Series. It provides two operating modes for front marker and turn-signal applications.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eHow does a switchback LED bulb work?\u003c\/span\u003e\u003c\/a\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eThe bulb operates at a lower white output during the vehicle's normal marker\/parking-light function. When the turn signal is activated, it switches to a higher-output amber turn-signal mode.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eIs the M-1157SB designed for front turn signals?\u003c\/span\u003e\u003c\/a\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eYes. Lucas specifically identifies the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eswitchback version for front marker\/turn-signal applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eIs the M-1157SB CANBUS compatible?\u003c\/span\u003e\u003c\/a\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eYes. The M-1157SB incorporates Lucas Lighting's CANBUS technology, designed to help prevent bulb-out warnings and fast-blinking issues.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eDoes the M-1157SB replace an 1157 bulb?\u003c\/span\u003e\u003c\/a\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eYes. It is designed for compatible 1157-style applications using a BAY15D dual-contact base.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eIs the M-1157SB sold individually?\u003c\/span\u003e\u003c\/a\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eNo. The M-1157SB is sold as a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003epair containing two LED bulbs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eWhat bulbs does the M-1157SB cross-reference?\u003c\/span\u003e\u003c\/a\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eLucas lists compatibility with numerous bulb styles, including 1157, 1157LL, 1157ST, 2057, 2057A, 2357, 2397, 3496, 7528 and BAY15D, among others.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eCan I use the M-1157SB for brake lights?\u003c\/span\u003e\u003c\/a\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eThe M-1157SB is specifically intended for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003efront marker\/turn-signal applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. For rear brake, marker or rear turn-signal applications, use the appropriate Lucas M-Series bulb\/color for that application.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eWhat is the difference between M-1157SB and M-1157W?\u003c\/span\u003e\u003c\/a\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eM-1157SB is the switchback version designed for front marker\/turn-signal applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, while the M-1157W is the white version intended for reverse applications.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eWhat is the difference between M-1157SB and M-1157R?\u003c\/span\u003e\u003c\/a\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"VVRGLTg=\"\u003e\u003cspan\u003eThe M-1157SB is a switchback bulb for front marker\/turn-signal applications. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eM-1157R is the red version\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e intended for brake, marker and rear turn-signal applications.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Lucas Lighting","offers":[{"title":"Default Title","offer_id":67588979556520,"sku":"M-1157SB","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/9508\/7016\/files\/lucas-lighting-m-1157sb-1157-switchback-led-bulbs.png?v=1790810963","url":"https:\/\/proaudiocenter.com\/products\/lucas-lighting-m-1157sb-1157-switchback-led-bulbs","provider":"Pro Audio Center","version":"1.0","type":"link"}