12 volt Turn Signal Flasher UP241D / 220
This flasher is new, NOS, Aluminum can with Black lettering, an Ideal brand flasher, round and tall in shape and in mint condition. It is a 3-terminal flasher with the terminals in the normal right-angle configuration.
More details on this flasher: known to be found on 1956-1961 Corvette.
old # 2523 Standard duty
These instructions are always on the box flashers come in
X — Power (hot lead)
L — Load (to switch operating lamps to be flashed)
P — to Pilot indicator lamp (this connection may be omitted. Flasher will operate properly either way)