{"product_id":"ideal-536-heavy-duty-12v-flasher-12a-variant-nos-boxed","title":"Ideal 536 Heavy‑Duty 12V Flasher (12A Variant, NOS, Boxed)","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIdeal 536 Heavy‑Duty 12V Flasher (12A Variant, NOS, Boxed)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIdeal 536 — Variant Identification\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe canister is stamped:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eHEAVY DUTY FLASHER — 536 — 12 VOLT — USE 12 AMP FUSE IN INPUT LEAD\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis tells us:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e 536\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\u003eFuse requirement:\u003c\/strong\u003e \u003cstrong\u003e12A\u003c\/strong\u003e (variant)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTerminals:\u003c\/strong\u003e 2‑prong\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Thermal flasher\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Ideal (est. 1913)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEra:\u003c\/strong\u003e 1960s–1980s aftermarket\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe box confirms:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIdeal 536 — Heavy Duty — For All 12V Cars \u0026amp; Trucks — 2 Terminals\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is the same universal heavy‑duty flasher as your other 536 units, but with a \u003cstrong\u003edifferent internal bimetallic strip rating\u003c\/strong\u003e, which is why the fuse requirement differs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e🚗 \u003cstrong\u003eCompatibility\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eBecause it’s a universal 2‑terminal 12V flasher, the 536 fits:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAll 12V passenger cars (Chevrolet, Ford, Chrysler, AMC)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAll 12V trucks (C\/K, F‑Series, D‑Series, IH)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTrailers, RVs, tractors, construction equipment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAny aftermarket wiring harness using a 2‑terminal flasher\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eIf it blinked a turn signal or hazard light in a 12‑volt system, the 536 fits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e🛠️ \u003cstrong\u003eWhy This Variant Matters\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003e12‑amp fuse requirement\u003c\/strong\u003e indicates:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLower internal current draw\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSlightly faster thermal cycling\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBetter performance on \u003cstrong\u003elighter‑load circuits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIdeal for cars with fewer bulbs or lower‑wattage lamps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eMost Ideal 536 units were rated for \u003cstrong\u003e14 amps\u003c\/strong\u003e, so this 12‑amp version is a \u003cstrong\u003eless common production run\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor your catalog, this should be listed as:\u003c\/span\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIdeal 536 (12A variant)\u003c\/strong\u003e — Heavy‑Duty 12V Flasher\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e\u003cspan\u003eVintage \u003cstrong\u003eIdeal 536\u003c\/strong\u003e heavy‑duty flasher, correct for all 12‑volt cars and trucks using 2‑terminal turn‑signal or hazard circuits. This is the \u003cstrong\u003e12‑amp fuse variant\u003c\/strong\u003e, ideal for lighter‑load circuits and period‑correct restorations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e • Genuine Ideal brand (est. 1913) • Model 536 — heavy‑duty 12V flasher • 12‑amp fuse requirement (variant) • Fits all 12V cars, trucks, trailers, and equipment • NOS condition with original packaging\u003c\/span\u003e\u003c\/p\u003e","brand":"CorvairFarmer","offers":[{"title":"Default Title","offer_id":49059792945403,"sku":null,"price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/3740\/8251\/files\/aa_158c4f48-6bb5-46c5-bf6d-17bed52543d2.jpg?v=1783626436","url":"https:\/\/corvairfarmer.com\/products\/ideal-536-heavy-duty-12v-flasher-12a-variant-nos-boxed","provider":"CorvairFarmer","version":"1.0","type":"link"}