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| Detail | Specification |
| Part Number | 260 (TUNG-SOL Corp.) |
| Part Type | Vintage Fixed-Load Thermal Turn Signal Flasher |
| Voltage | 6V |
| Terminals | 2-Pin (Standard Flasher Post Style, typically marked 'X' and 'L') |
| Load Type | Thermal Flasher (Compatible with Incandescent bulbs only) |
| Lamp Load Capacity | Fixed Load. Designed to operate with a specific, low load (e.g., 2 standard $21\text{CP}$ lamps) to maintain the correct flash rate on $6\text{V}$ systems. The fixed-load design ensures the flash rate changes dramatically if a bulb burns out. |
| Application Notes | Used for the Turn Signal function in domestic vehicles utilizing $6\text{V}$ electrical systems. This flasher served as the standard turn signal unit for many cars and light trucks in the 1940s and early 1950s. |
| Make | Representative Models (Turn Signal Function) | Representative Years |
| Chevrolet | All Passenger Cars and Light Trucks | ~1949–1954 |
| Ford | All Passenger Cars and Light Trucks | ~1949–1954 |
| Dodge / Plymouth | All Passenger Cars and Light Trucks | ~1949–1954 |
| Kaiser / Henry J | All Models | ~1949–1953 |
| Lincoln / Mercury | All Models | ~1949–1952 |
| Nash | All Models | ~1951–1955 |
| Packard | All Models | ~1949–1954 |
| Willys | Jeep, Trucks (6V Models) | ~1956–1958 |
