{"product_id":"sorenson-tb-1-a-vintage-ignition-terminal-block","title":"Sorenson TB-1, a vintage ignition terminal block","description":"\u003cp\u003e\u003cspan\u003e:\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003e🧩 Part Overview\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e: Sorenson TB-1\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eType\u003c\/strong\u003e: Ignition Terminal Block\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e: Provides a secure junction point for ignition coil and distributor wiring\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e: Typically firewall or bracket-mounted\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eConnector Style\u003c\/strong\u003e: Dual screw terminals with insulator base\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: Made in USA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eStatus\u003c\/strong\u003e: NOS units occasionally found in bulk lots or surplus packaging\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003e🚗 Confirmed Fitment\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhile not tied to a specific vehicle model, TB-1 blocks were commonly used in:\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication Type\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUniversal GM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1950s–1970s ignition systems (points-style)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAftermarket kits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMallory, Sorensen, and Delco-style conversions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMarine \u0026amp; Industrial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSmall-block GM engines in non-automotive platforms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCustom builds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFirewall-mounted junctions for coil\/distributor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eThese blocks were often used in \u003cstrong\u003e6V and 12V systems\u003c\/strong\u003e where clean wiring and serviceability were key.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003e🔁 Cross Reference Numbers\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eEquivalent Part Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSorensen\u003c\/td\u003e\n\u003ctd\u003eTB-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNiehoff\u003c\/td\u003e\n\u003ctd\u003eS481\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEchlin\u003c\/td\u003e\n\u003ctd\u003eU1962\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOthers\u003c\/td\u003e\n\u003ctd\u003eGeneric terminal block for ignition coil\/distributor junction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cspan\u003eThese interchange numbers confirm compatibility across multiple vintage catalogs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"CorvairFarmer","offers":[{"title":"Default Title","offer_id":47373096288507,"sku":null,"price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/3740\/8251\/files\/1A_c633a2a1-c60d-4106-9db0-2b090ac78440.jpg?v=1753641128","url":"https:\/\/corvairfarmer.com\/products\/sorenson-tb-1-a-vintage-ignition-terminal-block","provider":"CorvairFarmer","version":"1.0","type":"link"}