{"product_id":"standard-ignition-sls-274-brake-light-switch","title":"Standard Ignition SLS-274 Brake Light Switch","description":"\u003ch2\u003eBrake Light Switch for Pontiac Applications\u003c\/h2\u003e\u003cp\u003eStandard Ignition SLS-274 is a brake light switch built for dependable stoplamp signal control in classic Pontiac applications. It uses a durable housing, low-resistance copper alloy conductors, and a contact design that helps reduce arcing for consistent electrical performance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake light switch for stoplamp circuit operation\u003c\/li\u003e\n\u003cli\u003eBlack and gray color finish with male connector and male terminals\u003c\/li\u003e\n\u003cli\u003e1 connector with 2 bullet terminals\u003c\/li\u003e\n\u003cli\u003eCast iron and plastic finish materials\u003c\/li\u003e\n\u003cli\u003eBrass or high-impact composite housing design, depending on application specification\u003c\/li\u003e\n\u003cli\u003eSpecial spring and contact arrangement to reduce arcing\u003c\/li\u003e\n\u003cli\u003eCopper alloy conductors for strong electrical conductivity\u003c\/li\u003e\n\u003cli\u003e100% tested for mechanical and electrical switching performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eStandard Ignition SLS-274 is engineered as a direct brake light switch solution for 1955-1957 Pontiac Catalina and 1957 Pontiac Bonneville applications. It is designed to deliver reliable switch action for the stoplight circuit, helping maintain proper brake lamp response in vehicles that depend on accurate pedal-actuated electrical signaling. This part number, SLS-274, is built with service-focused materials and tested to verify switching performance before it leaves the factory. This part cross-references DENSO Auto Parts 221-3115 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Issues It Can Help Solve\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake lamps that do not illuminate when the pedal is pressed\u003c\/li\u003e\n\u003cli\u003eIntermittent stoplight operation\u003c\/li\u003e\n\u003cli\u003eDelayed or inconsistent brake light activation\u003c\/li\u003e\n\u003cli\u003eElectrical switching problems at the pedal switch\u003c\/li\u003e\n\u003cli\u003eWear-related contact issues in the stoplamp circuit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify connector style, terminal type, and mounting configuration before installation. Confirm the brake light switch adjustment so the pedal activates the switch at the correct point in travel. Inspect the wiring terminals and connector for corrosion or looseness before connecting the new SLS-274. For 1955-1957 Pontiac Catalina and 1957 Pontiac Bonneville vehicles, compare the original switch layout to ensure proper fitment and electrical connection.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStandard Ignition manufactures this brake light switch with controlled quality processes from component selection through final testing. The switch is 100% tested for mechanical and electrical function, and the design uses materials selected for durability and conductivity in service applications.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":52820800405685,"sku":"FBHK-SLS-274","price":30.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_SLS274_Fro.jpg?v=1784530562","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-sls-274-brake-light-switch","provider":"PartCatalog","version":"1.0","type":"link"}