This is a Signal-Stat Universal Flasher / Bulb Connector, p/n 9183 by Truck-Lite.
Features and Specifications:
- For use with plug-in flashers or sealed beams
- Can be used with most Signal-Stat flashers
- Nylon housing provides greater durability
- 7" color coded wire leads
- Insulated 16 gauge wire
- For use with 12 or 24v applications