Always the correct part
We know our products
| Make | Representative Models (Turn Signal Function) | Representative Years |
| Chevrolet | Impala, Bel Air, Camaro, C/K Series Light Trucks | ~1956–1975 |
| Ford | F-Series Trucks, Mustang, Falcon, Galaxie | ~1956–1975 |
| Chrysler / Mopar | Dodge Trucks, Coronet, Dart, Plymouth Fury | ~1956–1975 |
| General Motors (GM) | Buick, Oldsmobile, Pontiac (Full-Size and Mid-Size Cars) | ~1956–1975 |
| Detail | Specification |
| Part Number | 220 (TUNG-SOL Corp.) |
| Part Type | Vintage Thermal Turn Signal Flasher (Fixed or Light Variable Load) |
| Voltage | 12V |
| Terminals | 2-Pin (Standard Flasher Post Style, typically marked 'X' and 'L') |
| Load Type | Thermal Flasher (Compatible with Incandescent bulbs only) |
| Lamp Load Capacity | Typically rated for Turn Signal load (e.g., up to $50$ candlepower total load, which is sufficient for two standard turn signal lamps). |
| Application Notes | Used for the Turn Signal function. This part number is functionally equivalent to the more common aftermarket standard 552 flasher. It was widely used on $12\text{V}$ systems from the mid-1950s onward. |
