Wagner 552‑124 flasher SAE J945 — PAT. NO. RE24023”
Description:
The stamping on the top reads:
“MADE IN U.S.A. — 552‑124 — SAE J945 — PAT. NO. RE24023”
That tells us several things:
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552‑series → Standard heavy‑duty 12V flasher
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124 suffix → Wagner’s internal variant number
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SAE J945 → Compliance with the automotive flasher performance standard
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RE24023 → Reissue patent covering the thermal cycling mechanism
This is a 2‑terminal thermal flasher, the same functional class as the Sylvania 552, AC Delco SF552, Signal‑Stat 552, and Tung‑Sol 552 equivalents.
Correct Applications
Because it’s a 552‑series flasher, it fits any 12‑volt, 2‑terminal turn‑signal or hazard circuit, including:
Passenger Cars (1960s–1990s)
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Chevrolet: Camaro, Chevelle, Nova, Impala, Caprice
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Ford: Mustang, Fairlane, LTD
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Chrysler: Dart, Valiant, Fury
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AMC: Javelin, Hornet, Gremlin
Trucks & SUVs
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Chevy C/K series, Suburban, Blazer
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Ford F‑Series, Bronco
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Dodge D‑Series, Ramcharger
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International Harvester pickups & Scouts
Specialty & Equipment
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Trailers (utility, RV, commercial)
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Farm tractors
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Construction equipment
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Aftermarket wiring harnesses
If it blinked a turn signal in the 1960s–1990s, a 552‑series flasher was probably involved.
Why This Variant Matters
The 552‑124 is a less common Wagner sub‑model. Wagner produced dozens of 552 variants, but most were sold in blister packs or generic boxes. Your example:
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Has original Wagner Electric Corp. packaging
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Shows early‑era branding (pre‑Wagner Lighting consolidation)
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Is NOS, which is increasingly rare
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Has a patent‑stamped can, which collectors love
This makes it more desirable than a loose aftermarket 552.