{"product_id":"new-backup-light-neutral-safety-switch-kit-bl-1400u-for-th-350-th-400-700-r4","title":"New Backup Light Neutral Safety Switch Kit BL 1400U For TH‑350 TH‑400 700‑R4","description":"\u003ch2\u003eBackup Light Neutral Safety Switch Kit BL 1400U\u003c\/h2\u003e\u003cp\u003eThe BL 1400U backup light neutral safety switch kit delivers reliable neutral sensing and reverse light activation for automatic transmissions in older trucks and equipment.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis backup light neutral safety switch kit restores proper starting safety and reverse lamp operation when the original unit fails or wears out. The BL 1400U switch kit is built for automatic transmission applications and is intended for rebuilders, mechanics, and owners keeping work trucks and vintage vehicles on the road. Each kit gives you the switch and mounting hardware needed to complete a single replacement with confidence.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBL 1400U switch design for consistent neutral safety operation\u003c\/li\u003e\n\u003cli\u003eActivates reverse lamps when the transmission is placed in reverse\u003c\/li\u003e\n\u003cli\u003ePrevents starter engagement unless the transmission is in neutral or park\u003c\/li\u003e\n\u003cli\u003eKit form supplies the switch and hardware for a complete install\u003c\/li\u003e\n\u003cli\u003eSealed housing resists oil, heat, and vibration in transmission service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor TH-350 automatic transmissions\u003c\/li\u003e\n\u003cli\u003efor TH-400 automatic transmissions\u003c\/li\u003e\n\u003cli\u003efor 700-R4 automatic transmissions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTransmission rebuilds and bench repairs\u003c\/li\u003e\n\u003cli\u003eReverse light troubleshooting on automatic-equipped trucks\u003c\/li\u003e\n\u003cli\u003eNeutral safety start system repair\u003c\/li\u003e\n\u003cli\u003eRestoration projects on classic GM-era automatic vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBL 1400U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBackup light and neutral safety switching\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSwitch kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this switch work with my transmission? \u003cstrong\u003eA:\u003c\/strong\u003e It is listed for TH-350, TH-400, and 700-R4 automatic transmissions, so confirm your transmission model before ordering. \u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to adjust the switch after installation? \u003cstrong\u003eA:\u003c\/strong\u003e Neutral safety switches often require alignment so the engine starts only in neutral and park and the reverse lamps light correctly. Always verify operation after fitting.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":50556838903894,"sku":"ZZ3P00417","price":52.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_27fc003b-12d2-4344-86e9-1ae8c020daac.jpg?v=1790940269","url":"https:\/\/www.solidspare.com\/products\/new-backup-light-neutral-safety-switch-kit-bl-1400u-for-th-350-th-400-700-r4","provider":"Solid Spare","version":"1.0","type":"link"}