{"product_id":"ideal-550-heavy-duty-12v-3-terminal-flasher-nos-boxed","title":"Ideal 550 Heavy‑Duty 12V 3‑Terminal Flasher (NOS, Boxed)","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIdeal 550 Heavy‑Duty 12V 3‑Terminal Flasher (NOS, Boxed)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVintage \u003cstrong\u003eIdeal 550\u003c\/strong\u003e heavy‑duty flasher, perfect for classic trucks, trailers, and commercial vehicles. This 12‑volt, 3‑terminal unit is DOT‑approved and designed for multi‑lamp turn‑signal and hazard circuits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe metal canister is stamped:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e“HEAVY DUTY FLASHER 550 12 VOLT DOT LAMP FUSE INPUT LEAD”\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis tells us exactly what it is:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Ideal\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e 550\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Heavy‑Duty Thermal Flasher\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTerminals:\u003c\/strong\u003e 3‑prong (L, P, X configuration)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDOT Approved:\u003c\/strong\u003e Yes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEra:\u003c\/strong\u003e 1960s–1990s aftermarket\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eUse Case:\u003c\/strong\u003e Multi‑lamp circuits, hazard flashers, towing setups\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003e3‑terminal design\u003c\/strong\u003e means it supports indicator lamps and fused input circuits — common in trucks and commercial vehicles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Ideal 550 fits any \u003cstrong\u003e12‑volt, 3‑terminal flasher socket\u003c\/strong\u003e, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eLight Trucks \u0026amp; SUVs\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eGM C\/K series, Suburban, Blazer\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFord F‑Series, Bronco\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDodge D‑Series, Ramcharger\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommercial \u0026amp; Fleet\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDelivery vans\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTow trucks\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMunicipal vehicles\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUtility fleet trucks\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecialty Equipment\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFarm tractors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConstruction equipment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTrailers with multi‑lamp circuits\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRVs and aftermarket wiring harnesses\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eIdeal was a \u003cstrong\u003etrusted aftermarket brand\u003c\/strong\u003e, often used by truck shops and DOT fleets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e • Genuine Ideal brand — established 1913 • Heavy‑Duty 12V flasher • 3‑terminal design (L\/P\/X) • Ideal for GM, Ford, Dodge trucks • Excellent for trailers, farm equipment, and fleet vehicles • NOS condition with original box\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003elOCATION - BEIGE - DRAWER #1\u003c\/span\u003e\u003c\/p\u003e","brand":"CorvairFarmer","offers":[{"title":"Default Title","offer_id":49059745071355,"sku":null,"price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/3740\/8251\/files\/aa_442aa6a6-2d1f-4306-baae-200dea1587e6.jpg?v=1783622181","url":"https:\/\/corvairfarmer.com\/products\/ideal-550-heavy-duty-12v-3-terminal-flasher-nos-boxed","provider":"CorvairFarmer","version":"1.0","type":"link"}