Signal‑Stat 180 Heavy‑Duty 12V Flasher (NOS, Boxed)

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type: Unknown Type
Vendor: CorvairFarmer

Description:

Features: • Genuine Signal‑Stat heavy‑duty flasher • Model 180 — 12V • 2‑terminal design • High‑load variant for commercial/fleet use • NOS condition with original HD packaging 

The canister is stamped:

SIGNAL‑STAT 180 — 12V FLASHER

This identifies it as:

  • Brand: Signal‑Stat (Truck‑Lite family)

  • Model: 180

  • Voltage: 12V

  • Type: Heavy‑Duty thermal flasher

  • Terminals: 2‑prong

  • Era: 1960s–1990s commercial aftermarket

The box reads:

Signal‑Stat Heavy Duty Flasher — 180/550 — HD

That “180/550” marking is important — it means:

  • 180 = Signal‑Stat’s version of the Tung‑Sol 550

  • Fully interchangeable with 550, 552, 536, 160, 175

This makes the 180 one of the most flexible heavy‑duty flashers in your catalog.


🚚 Where the Signal‑Stat 180 Was Used

The 180 fits any 12‑volt, 2‑terminal turn‑signal or hazard circuit, including:

Commercial & Fleet Vehicles

  • International Harvester trucks

  • Mack, Kenworth, Peterbilt

  • Freightliner

  • Ford C‑Series and L‑Series

  • GM medium‑duty trucks

  • Municipal dump trucks, snow plows, fire apparatus

Light Trucks & SUVs

  • Chevy C/K series

  • Ford F‑Series

  • Dodge D‑Series

  • IH Scout

Trailers & Equipment

  • Commercial box trailers

  • Utility trailers

  • Agricultural tractors

  • Construction equipment

  • RVs and motorhomes

Signal‑Stat was the preferred brand for harsh‑environment electrical components.


🛠️ Why the 180 Matters

The 180 is the “bridge model” between automotive and commercial flashers:

  • Cross‑references directly to Tung‑Sol 550

  • Handles higher current loads

  • More stable blink rate under towing

  • Better heat tolerance

  • Preferred in fleet and commercial vehicles

  • Less common than 552‑series flashers

  • Highly collectible due to HD packaging

Your boxed NOS example is exactly what restorers want.

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